US3871117A - Fluid filled insoles - Google Patents

Fluid filled insoles Download PDF

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Publication number
US3871117A
US3871117A US351867A US35186773A US3871117A US 3871117 A US3871117 A US 3871117A US 351867 A US351867 A US 351867A US 35186773 A US35186773 A US 35186773A US 3871117 A US3871117 A US 3871117A
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insole
fluid
duct
toe
radiator
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US351867A
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Rex E Richmond
George Spector
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/02—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient
    • A43B17/03—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient filled with a gas, e.g. air
    • A43B17/035—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient filled with a gas, e.g. air provided with a pump or valve

Definitions

  • ABSTRACT An insole for a shoe which is hollow and filled with a fluid. Means in the insole prevent surges of fluid between toe and heel as the wearer walks.
  • My invention is directed toward shoes having insoles specially designed to provide full uniform resilient support for the feet of the user whether the user is moving or standing still.
  • the insole is hollow and filled with a suitable fluid.
  • Means are provided in the sole to prevent surges of fluid between toe and heel as the user walks or runs and exerts pressure on different parts of the foot. Additional means can be provided to produce a pumping action to circulate the fluid through special cooling ducts and vents in the shoe whereby the fluid is cooled and produces a cooling action-on the shoe itself thus providing enhanced comfort.
  • FIG. 1 is a bottom view of the Invention.
  • FIG. 2 is a cross section on line 2-2 of FIG. 1
  • FIG. 3 is a cross section on line 3-3 of FIG. 1
  • FIG. 4 is a cross section on line 44 of FIG. 1
  • FIG. 5 is a view of a shoe showing a modified design of the invention incorporated therewith in which the lift and fall of the foot over the inner sole causes a pumping action of the fluid so it travels past vent holes in the shoe so to cool the liquid.
  • FIG. 6 is a plan view of the inner sole and its cooling ducts integral therewith, shown removed from the shoe and laid out flat.
  • FIG. 7 is a detail on cross section 77 of FIG. 6, showing the one way flap valves for the fluid.
  • FIG. 8 is an enlarged framentary view of a cooling tube used in the construction illustrated in FIG. 5.
  • a hollow insole has a flat horizontal top surface 10 and a bottom surface 12 with inwardly extending ribs 14 which extend longitudinally and transversely as well as diagonally and which reachsurface 10.
  • the peripheral edges 16 of both surfaces extend downward from surface 10 and upward from surface 12 into horizontal mating sealing engagement.
  • the ribs and edges thus define boundaries of a plurality of hollow chambers disposed side by side and filled with a fluid 18 such as water or gases.
  • Surface 10 is sur mounted by a flat yielding horizontal top layer 20.
  • shoe 50 has an insole 30 with elevated ducts 34 connected thereto that as the user walks, the fluid is circulated around the sides of the shoe.
  • One way valves 36 integral with top and bottom flat surfaces 30A and 30B of the sole insure circulation paths for the fluid which travels as shown.
  • the ducts provide a cooling action cooperating with air cooling vents 32 formed in the shoe upper as the rise and fall of the'foot over the inner sole causes a pumping action for the fluid.
  • a heel 37 is cooled by a spiral fluted or finned coil 38 formed in a small radiator 39 located on the outer side of the shoe or boot.
  • Nipples 40 and 41 at opposite ends of the radiator communicate with duct 34, thereby providing for flow of fluid from duct 34 through the radiator-coils and back to the duct 34.
  • FIG. 8 there is illustrated adetail of the cooling coil 38 which includes a wall that is spiral-fluted as shown at 35 and which includes fins 36, in order for a quick heat exchange action so to dissipate heat and cool the coolant liquid moving through the coil.
  • the fins 36 extend through the inside of the tube and to the outside thereof as well, as shown.
  • a self sealing filler valve 42 is installed at the toe end of the insole, and a self sealing air purge valve 43 is installed at the heel end of the insole.
  • the filler valve 42 is provided for the purpose of fluid being injected therethrough into the sole.
  • the air purge valve 43 is provided for the purpose of allowing entrapped air to escape from the interior of the insole.
  • the filler valve is similar to those used on footballs, basket balls, volley and beach balls, and serves to provide a proper resiliance in order to support the weight of the feet thereupon.
  • Each size of insole might require a different amount of fluid therewithin accordingly for ideal support.
  • the air purge valve is essential so that all trapped air is removed otherwise a bulbous effect would result and the fluid would not be evenly distributed throughout the insole cavity so that a perfect cushioning would be prevented.
  • One way valve 36 is a conventional flap valve which is secured to the surfaces 10, 30A and 30B (or'surfaces 10 and 12 of FIG. 2). With the open end serving as an inlet and flexible closure flaps at the outlet end. Pressure from the weavers foot expandsthe outlet flaps causing them to open and permit the flow of fluid in the desired direction.
  • One or more of valves 36 may be located in series transversely across the width of insole 30 as indicated diagramatically by the V-shaped lines of FIG. 6. It is to be understood that similar valves can be provided between the ends of the diagonal ribs 14, whereby flow can occur only from sole to heel, provided that a return flow duct such as 34 of FIG. 6 is provided in the shoe upper.
  • the ribs 14 do not restrict flow completely but merely restrain or impede flow whereby surging of large quantities of fluid from one compartment to another is prevented.
  • a hollow-fluid filled insole with toe and heel portions formed from resilient material having spaced upper and lower surfaces peripherally sealed in combination with a duct extending externally from the insole connecting the toe and heel portions including a valve extending transversely across the interior of the insole connecting between opposing portions of the peripheral seal, said valve permitting flow only in one direction responsive to pressure in said insole generated by the users foot.
  • An insole as in claim 1 including ribs extending from one of the surfaces towards the other forming substantially defined pockets through which fluid flow is restricted preventing large surges therethrough.
  • An insole as in claim 2 in further combination with 5.
  • An insole as in claim 1 in further combination with a shoe upper having an external radiator with an inlet a Shoe u er h avin .an external radiator with an inlet and outlet connected to the duct. pp g 4.

Abstract

An insole for a shoe which is hollow and filled with a fluid. Means in the insole prevent surges of fluid between toe and heel as the wearer walks.

Description

United States Patent Richmond et a1.
FLUID FILLED INSOLES Inventors: Rex E. Richmond; George Spector,
both 3615 Woolworth Bldg., 233 Broadway, New York, N.Y. 10007 Filed: Apr. 17, 1973 Appl. No.: 351,867
US. Cl. 36/43, 36/29 Int. Cl A43b 13/38 Field of Search 36/43, 71, 2.5 AA, 28,
References Cited UNITED STATES PATENTS 5/1919 Spinney 36/29 Mar. 18, 1975 Cooney 36/29 Drefvelin 36/3 R Evangelista 36/3 R Estandian 36/3 R Magidson 36/44 Smith 36/29 Primary E.\'aminer-Richard J. Scanlan, Jr.
ABSTRACT An insole for a shoe which is hollow and filled with a fluid. Means in the insole prevent surges of fluid between toe and heel as the wearer walks.
5 Claims, 8 Drawing Figures minno 1 81915 1 7 FLUID FILLED INSOLES SUMMARY OF THE INVENTION My invention is directed toward shoes having insoles specially designed to provide full uniform resilient support for the feet of the user whether the user is moving or standing still. To this end the insole is hollow and filled with a suitable fluid. Means are provided in the sole to prevent surges of fluid between toe and heel as the user walks or runs and exerts pressure on different parts of the foot. Additional means can be provided to produce a pumping action to circulate the fluid through special cooling ducts and vents in the shoe whereby the fluid is cooled and produces a cooling action-on the shoe itself thus providing enhanced comfort.
FIG. 1 is a bottom view of the Invention.
FIG. 2 is a cross section on line 2-2 of FIG. 1
FIG. 3 is a cross section on line 3-3 of FIG. 1
FIG. 4 is a cross section on line 44 of FIG. 1
FIG. 5 is a view of a shoe showing a modified design of the invention incorporated therewith in which the lift and fall of the foot over the inner sole causes a pumping action of the fluid so it travels past vent holes in the shoe so to cool the liquid.
FIG. 6 is a plan view of the inner sole and its cooling ducts integral therewith, shown removed from the shoe and laid out flat.
FIG. 7 is a detail on cross section 77 of FIG. 6, showing the one way flap valves for the fluid.
FIG. 8 is an enlarged framentary view of a cooling tube used in the construction illustrated in FIG. 5.
DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS Referring now to FIGS. 1-4, a hollow insole has a flat horizontal top surface 10 and a bottom surface 12 with inwardly extending ribs 14 which extend longitudinally and transversely as well as diagonally and which reachsurface 10. The peripheral edges 16 of both surfaces extend downward from surface 10 and upward from surface 12 into horizontal mating sealing engagement. The ribs and edges thus define boundaries of a plurality of hollow chambers disposed side by side and filled with a fluid 18 such as water or gases. Surface 10 is sur mounted by a flat yielding horizontal top layer 20.
When a user steps on the sole or merely stands thereon all portions of the foot have uniform full resilient support. The ribs prevent surges of fluid between toe and heel as the user walks and exerts pressure on different parts of the foot.
In FIGS. 5-7, shoe 50 has an insole 30 with elevated ducts 34 connected thereto that as the user walks, the fluid is circulated around the sides of the shoe. One way valves 36 integral with top and bottom flat surfaces 30A and 30B of the sole insure circulation paths for the fluid which travels as shown. The ducts provide a cooling action cooperating with air cooling vents 32 formed in the shoe upper as the rise and fall of the'foot over the inner sole causes a pumping action for the fluid.
As shown in FIG. 5 a heel 37 is cooled by a spiral fluted or finned coil 38 formed in a small radiator 39 located on the outer side of the shoe or boot. Nipples 40 and 41 at opposite ends of the radiator communicate with duct 34, thereby providing for flow of fluid from duct 34 through the radiator-coils and back to the duct 34.
in FIG. 8 there is illustrated adetail of the cooling coil 38 which includes a wall that is spiral-fluted as shown at 35 and which includes fins 36, in order for a quick heat exchange action so to dissipate heat and cool the coolant liquid moving through the coil. The fins 36 extend through the inside of the tube and to the outside thereof as well, as shown.
As shown in FIGS. 1 and 3 it is to be noted that a self sealing filler valve 42 is installed at the toe end of the insole, and a self sealing air purge valve 43 is installed at the heel end of the insole. The filler valve 42 is provided for the purpose of fluid being injected therethrough into the sole. The air purge valve 43 is provided for the purpose of allowing entrapped air to escape from the interior of the insole.
The filler valve is similar to those used on footballs, basket balls, volley and beach balls, and serves to provide a proper resiliance in order to support the weight of the feet thereupon. Each size of insole might require a different amount of fluid therewithin accordingly for ideal support.
The air purge valve is essential so that all trapped air is removed otherwise a bulbous effect would result and the fluid would not be evenly distributed throughout the insole cavity so that a perfect cushioning would be prevented.
One way valve 36 (FIG. 7) is a conventional flap valve which is secured to the surfaces 10, 30A and 30B (or'surfaces 10 and 12 of FIG. 2). With the open end serving as an inlet and flexible closure flaps at the outlet end. Pressure from the weavers foot expandsthe outlet flaps causing them to open and permit the flow of fluid in the desired direction. One or more of valves 36 may be located in series transversely across the width of insole 30 as indicated diagramatically by the V-shaped lines of FIG. 6. It is to be understood that similar valves can be provided between the ends of the diagonal ribs 14, whereby flow can occur only from sole to heel, provided that a return flow duct such as 34 of FIG. 6 is provided in the shoe upper.
It is to be understood that the ribs 14 do not restrict flow completely but merely restrain or impede flow whereby surging of large quantities of fluid from one compartment to another is prevented.
While certain novel features of our invention have been shown and described and are pointed out in the annexed claims, it will be understood that various omissions, substitutions and changes in the forms and details of the device illustrated and in its operation can be made by those skilled in the art without departing from the spirit of the invention.
We claims as follows:
1. A hollow-fluid filled insole with toe and heel portions formed from resilient material having spaced upper and lower surfaces peripherally sealed in combination with a duct extending externally from the insole connecting the toe and heel portions including a valve extending transversely across the interior of the insole connecting between opposing portions of the peripheral seal, said valve permitting flow only in one direction responsive to pressure in said insole generated by the users foot. y
2. An insole as in claim 1 including ribs extending from one of the surfaces towards the other forming substantially defined pockets through which fluid flow is restricted preventing large surges therethrough.
3 ,8 7 1 1 l 7 3 4 3. An insole as in claim 2 in further combination with 5. An insole as in claim 1 in further combination with a shoe upper having an external radiator with an inlet a Shoe u er h avin .an external radiator with an inlet and outlet connected to the duct. pp g 4. An insole as in claim 3, wherein the radiator has fluted coils. 5
and outlet connected to the duct.

Claims (5)

1. A hollow fluid filled insole with toe and heel portions formed from resilient material having spaced upper and lower surfaces peripherally sealed in combination with a duct extending externally from the insole connecting the toe and heel portions including a valve extending transversely across the interior of the insole connecting between opposing portions of the peripheral seal, said valve permitting flow only in one direction responsive to pressure in said insole generated by the user''s foot.
2. An insole as in claim 1 including ribs extending from one of the surfaces towards the other forming substantially defined pockets through which fluid flow is restricted preventing large surges therethrough.
3. An insole as in claim 2 in further combination with a shoe upper having an external radiator with an inlet and outlet connected to the duct.
4. An insole as in claim 3, wherein the radiator has fluted coils.
5. An insole as in claim 1 in further combination with a shoe upper having an external radiator with an inlet and outlet connected to the duct.
US351867A 1973-04-17 1973-04-17 Fluid filled insoles Expired - Lifetime US3871117A (en)

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Cited By (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4005531A (en) * 1975-08-11 1977-02-01 Morton Weintraub Foot cooler
WO1979000210A1 (en) * 1977-10-14 1979-04-19 American Pneumatics Co Self-contained fluid pressure foot support device
US4217705A (en) * 1977-03-04 1980-08-19 Donzis Byron A Self-contained fluid pressure foot support device
US4237625A (en) * 1978-09-18 1980-12-09 Cole George S Thrust producing shoe sole and heel
US4358902A (en) * 1980-04-02 1982-11-16 Cole George S Thrust producing shoe sole and heel
US4567677A (en) * 1984-08-29 1986-02-04 Pittsburgh Plastics Manufacturing Water filled shoe insole
US4577417A (en) * 1984-04-27 1986-03-25 Energaire Corporation Sole-and-heel structure having premolded bulges
US4603493A (en) * 1984-09-24 1986-08-05 Eston Gary A Insole with moldable material
US4656760A (en) * 1985-02-26 1987-04-14 Kangaroos U.S.A., Inc. Cushioning and impact absorptive means for footwear
US4799319A (en) * 1986-06-18 1989-01-24 Max Zellweger Device for warming the foot of a wearer
US4802289A (en) * 1987-03-25 1989-02-07 Hans Guldager Insole
US4934072A (en) * 1989-04-14 1990-06-19 Wolverine World Wide, Inc. Fluid dynamic shoe
US4934070A (en) * 1988-03-28 1990-06-19 Jean Mauger Shoe sole or insole with circulation of an incorporated fluid
US5131174A (en) * 1990-08-27 1992-07-21 Alden Laboratories, Inc. Self-reinitializing padding device
US5155927A (en) * 1991-02-20 1992-10-20 Asics Corporation Shoe comprising liquid cushioning element
USRE34102E (en) * 1978-09-18 1992-10-20 Energaire Corporation Thrust producing shoe sole and heel
WO1993007773A1 (en) * 1991-10-19 1993-04-29 Protagon Sportprodukte Dr. Mauve Kg Shoe, in particular a sports shoe
US5313717A (en) * 1991-12-20 1994-05-24 Converse Inc. Reactive energy fluid filled apparatus providing cushioning, support, stability and a custom fit in a shoe
US5375346A (en) * 1993-04-02 1994-12-27 Energaire Corporation Thrust producing shoe sole and heel improved stability
FR2751734A1 (en) * 1996-07-29 1998-01-30 Dumont Jean Pierre Heated overalls suit for working in exposed situations
WO1998025491A1 (en) * 1996-12-11 1998-06-18 French Michael J Shoe with fluid circulation
US5826349A (en) * 1997-03-28 1998-10-27 Goss; Chauncey D. Venilated shoe system
US5878510A (en) * 1993-04-15 1999-03-09 Schoesler; Henning R. Fluid filled insole
WO1999037174A1 (en) * 1998-01-27 1999-07-29 Dumont Jean Pierre Personal heating system for coverall
US6074414A (en) * 1998-08-06 2000-06-13 Limex Bio-Tech L.C. System for providing thermal application to external body areas of a patient
US6092310A (en) * 1993-04-15 2000-07-25 Schoesler; Henning R. Fluid filled insole
US6138382A (en) * 1993-04-15 2000-10-31 Schoesler; Henning R. Fluid filled insole
US6178663B1 (en) 1993-04-15 2001-01-30 Henning R. Schoesler Fluid filled insole with metatarsal pad
US6412194B1 (en) 1999-11-04 2002-07-02 Tamarack Habilitation Technologies, Inc. Wax filled pads
US6722059B2 (en) 2001-10-25 2004-04-20 Acushnet Company Dynamic and static cushioning footbed
US20050241185A1 (en) * 2004-04-28 2005-11-03 Flood Michael T Shoe insert
US20060026864A1 (en) * 2002-05-08 2006-02-09 Liquicell Technologies, Inc. Ultra-thin liquid-filled insole interface
US7219449B1 (en) * 1999-05-03 2007-05-22 Promdx Technology, Inc. Adaptively controlled footwear
US20080098620A1 (en) * 2002-07-02 2008-05-01 William Marvin Shoe Having an Inflatable Bladder
US20100101111A1 (en) * 2008-10-24 2010-04-29 Mcdonnell Kevin Multistructural support system for a sole in a running shoe
US20100275468A1 (en) * 2009-04-29 2010-11-04 Brown Shoe Company, Inc. Air circulating footbed and method thereof
US8677652B2 (en) 2002-07-02 2014-03-25 Reebok International Ltd. Shoe having an inflatable bladder
US20160270479A1 (en) * 2013-12-04 2016-09-22 Sota Suzuki Shoe
TWI552691B (en) * 2013-05-22 2016-10-11 Himiko Co Ltd The bottom part of the shoe
CN106723628A (en) * 2017-01-18 2017-05-31 温州中胤时尚鞋服设计有限公司 Actively lower the temperature children's footwear
US9839260B1 (en) * 2016-07-26 2017-12-12 Chi-Yuan Chang Pneumatic insole
US20220110411A1 (en) * 2018-09-21 2022-04-14 University Of Pittsburgh - Of The Commonwealth System Of Higher Education Adaptive Insole for Rehabilitation of Foot Injuries

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1304915A (en) * 1918-07-31 1919-05-27 Burton A Spinney Pneumatic insole.
US1596923A (en) * 1925-03-24 1926-08-24 Cooney Charles Cushion insole
US2722063A (en) * 1953-04-24 1955-11-01 Drefvelin Henrik Vilhelm Perforate insole for shoes
US3044188A (en) * 1959-06-18 1962-07-17 Evangelista Henry Ventilated footwear
US3315379A (en) * 1966-10-10 1967-04-25 Ramon D Estandian Air circulating insole
US3724106A (en) * 1971-06-29 1973-04-03 H Magidson Insole structure
US3765422A (en) * 1971-12-27 1973-10-16 H Smith Fluid cushion podiatric insole

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1304915A (en) * 1918-07-31 1919-05-27 Burton A Spinney Pneumatic insole.
US1596923A (en) * 1925-03-24 1926-08-24 Cooney Charles Cushion insole
US2722063A (en) * 1953-04-24 1955-11-01 Drefvelin Henrik Vilhelm Perforate insole for shoes
US3044188A (en) * 1959-06-18 1962-07-17 Evangelista Henry Ventilated footwear
US3315379A (en) * 1966-10-10 1967-04-25 Ramon D Estandian Air circulating insole
US3724106A (en) * 1971-06-29 1973-04-03 H Magidson Insole structure
US3765422A (en) * 1971-12-27 1973-10-16 H Smith Fluid cushion podiatric insole

Cited By (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4005531A (en) * 1975-08-11 1977-02-01 Morton Weintraub Foot cooler
US4217705A (en) * 1977-03-04 1980-08-19 Donzis Byron A Self-contained fluid pressure foot support device
WO1979000210A1 (en) * 1977-10-14 1979-04-19 American Pneumatics Co Self-contained fluid pressure foot support device
USRE34102E (en) * 1978-09-18 1992-10-20 Energaire Corporation Thrust producing shoe sole and heel
US4237625A (en) * 1978-09-18 1980-12-09 Cole George S Thrust producing shoe sole and heel
US4358902A (en) * 1980-04-02 1982-11-16 Cole George S Thrust producing shoe sole and heel
US4577417A (en) * 1984-04-27 1986-03-25 Energaire Corporation Sole-and-heel structure having premolded bulges
US4567677A (en) * 1984-08-29 1986-02-04 Pittsburgh Plastics Manufacturing Water filled shoe insole
US4603493A (en) * 1984-09-24 1986-08-05 Eston Gary A Insole with moldable material
US4656760A (en) * 1985-02-26 1987-04-14 Kangaroos U.S.A., Inc. Cushioning and impact absorptive means for footwear
US4799319A (en) * 1986-06-18 1989-01-24 Max Zellweger Device for warming the foot of a wearer
US4802289A (en) * 1987-03-25 1989-02-07 Hans Guldager Insole
US4934070A (en) * 1988-03-28 1990-06-19 Jean Mauger Shoe sole or insole with circulation of an incorporated fluid
US4934072A (en) * 1989-04-14 1990-06-19 Wolverine World Wide, Inc. Fluid dynamic shoe
US5131174A (en) * 1990-08-27 1992-07-21 Alden Laboratories, Inc. Self-reinitializing padding device
US5155927A (en) * 1991-02-20 1992-10-20 Asics Corporation Shoe comprising liquid cushioning element
US5493792A (en) * 1991-02-20 1996-02-27 Asics Corporation Shoe comprising liquid cushioning element
WO1993007773A1 (en) * 1991-10-19 1993-04-29 Protagon Sportprodukte Dr. Mauve Kg Shoe, in particular a sports shoe
US5313717A (en) * 1991-12-20 1994-05-24 Converse Inc. Reactive energy fluid filled apparatus providing cushioning, support, stability and a custom fit in a shoe
US5375346A (en) * 1993-04-02 1994-12-27 Energaire Corporation Thrust producing shoe sole and heel improved stability
US5416986A (en) * 1993-04-02 1995-05-23 Energaire Corporation Thrust producing shoe sole and heel improved stability
US5524364A (en) * 1993-04-02 1996-06-11 Energaire Corporation Thrust producing shoe sole and heel improved stability
US6092310A (en) * 1993-04-15 2000-07-25 Schoesler; Henning R. Fluid filled insole
US5878510A (en) * 1993-04-15 1999-03-09 Schoesler; Henning R. Fluid filled insole
US6178663B1 (en) 1993-04-15 2001-01-30 Henning R. Schoesler Fluid filled insole with metatarsal pad
US6138382A (en) * 1993-04-15 2000-10-31 Schoesler; Henning R. Fluid filled insole
FR2751734A1 (en) * 1996-07-29 1998-01-30 Dumont Jean Pierre Heated overalls suit for working in exposed situations
WO1998025491A1 (en) * 1996-12-11 1998-06-18 French Michael J Shoe with fluid circulation
US5806208A (en) * 1996-12-11 1998-09-15 French; Michael J. Shoe with massaging fluid circulation
US5826349A (en) * 1997-03-28 1998-10-27 Goss; Chauncey D. Venilated shoe system
WO1999037174A1 (en) * 1998-01-27 1999-07-29 Dumont Jean Pierre Personal heating system for coverall
US6074414A (en) * 1998-08-06 2000-06-13 Limex Bio-Tech L.C. System for providing thermal application to external body areas of a patient
US7219449B1 (en) * 1999-05-03 2007-05-22 Promdx Technology, Inc. Adaptively controlled footwear
US6412194B1 (en) 1999-11-04 2002-07-02 Tamarack Habilitation Technologies, Inc. Wax filled pads
US6722059B2 (en) 2001-10-25 2004-04-20 Acushnet Company Dynamic and static cushioning footbed
US20060026864A1 (en) * 2002-05-08 2006-02-09 Liquicell Technologies, Inc. Ultra-thin liquid-filled insole interface
US20100192410A1 (en) * 2002-07-02 2010-08-05 Reebok International, Ltd. Shoe Having an Inflatable Bladder
US10251450B2 (en) 2002-07-02 2019-04-09 Reebok International Limited Shoe having an inflatable bladder
US7721465B2 (en) * 2002-07-02 2010-05-25 Reebok International Ltd. Shoe having an inflatable bladder
US8151489B2 (en) 2002-07-02 2012-04-10 Reebok International Ltd. Shoe having an inflatable bladder
US8677652B2 (en) 2002-07-02 2014-03-25 Reebok International Ltd. Shoe having an inflatable bladder
US20080098620A1 (en) * 2002-07-02 2008-05-01 William Marvin Shoe Having an Inflatable Bladder
US9474323B2 (en) 2002-07-02 2016-10-25 Reebok International Limited Shoe having an inflatable bladder
US20050241185A1 (en) * 2004-04-28 2005-11-03 Flood Michael T Shoe insert
US20100101111A1 (en) * 2008-10-24 2010-04-29 Mcdonnell Kevin Multistructural support system for a sole in a running shoe
US9055782B2 (en) * 2008-10-24 2015-06-16 Kevin McDonnell Multistructural support system for a sole in a running shoe
US20100275468A1 (en) * 2009-04-29 2010-11-04 Brown Shoe Company, Inc. Air circulating footbed and method thereof
TWI552691B (en) * 2013-05-22 2016-10-11 Himiko Co Ltd The bottom part of the shoe
US20160270479A1 (en) * 2013-12-04 2016-09-22 Sota Suzuki Shoe
US10238179B2 (en) * 2013-12-04 2019-03-26 Sota Suzuki Shoe
US9839260B1 (en) * 2016-07-26 2017-12-12 Chi-Yuan Chang Pneumatic insole
CN106723628A (en) * 2017-01-18 2017-05-31 温州中胤时尚鞋服设计有限公司 Actively lower the temperature children's footwear
US20220110411A1 (en) * 2018-09-21 2022-04-14 University Of Pittsburgh - Of The Commonwealth System Of Higher Education Adaptive Insole for Rehabilitation of Foot Injuries

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