US3116751A - Floor drain standpipe - Google Patents
Floor drain standpipe Download PDFInfo
- Publication number
- US3116751A US3116751A US164239A US16423962A US3116751A US 3116751 A US3116751 A US 3116751A US 164239 A US164239 A US 164239A US 16423962 A US16423962 A US 16423962A US 3116751 A US3116751 A US 3116751A
- Authority
- US
- United States
- Prior art keywords
- standard
- collar
- standpipe
- floor drain
- end portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000012530 fluid Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000282320 Panthera leo Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 239000011538 cleaning material Substances 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/042—Arrangements of means against overflow of water, backing-up from the drain
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/6851—With casing, support, protector or static constructional installations
- Y10T137/6966—Static constructional installations
- Y10T137/6969—Buildings
- Y10T137/6988—Floor installation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86381—Head-establishing standpipe or expansion chamber [e.g., surge tanks]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86718—Dividing into parallel flow paths with recombining
- Y10T137/86743—Rotary
Definitions
- This invention relates to a novel and useful floor drain stan-dpipe land more specifically to a standpipe which is primarily designed for the punpose of providing a means whereby the conventional type of floor drain may be utilized as both a means Ifor draining liquids from a floor surface and alternately as a standpipe drain for draining the discharge of washing machines land the like whose outlet conduits must have their outlet ends elevated above the water level in the washing machine.
- the outlet openings are elevated above the upper end of the floor drain pipe by turning the standpipe a sufficient number of turns to raise the ⁇ outlet openings above the upper end of the oor drain pipe in which the lower end of the standard -is threadedly engaged and if the standard is to be used as a drain for a washing machine outlet conduit and the like, it is necessary to lower the standp-ipe relative to the floor drain pipe by vturning the standard a sufficient number of turns to move the apertured portion of the externally threaded lower end of the standard into the internally threaded upper end of the floor drain pipe.
- a further object of this invention in accordance with the immediately preceding object, is to provide a floor drain standpipe which may be secured to the upper end of a iioor drain pipe in the conventional manner by threaded engagement therewith but which is constructed in a manner whereby only a minimum amount of threaded engagement is required to secure the floor drain standpipe to the oor drain pipe.
- Another object of this invention is to provide a licor drain standpipe which will conform to conventional forms of manufacture, be of simple construction and easy to use so as to provide a device that will be economically feasible, ,long lasting and relatively trouble free in operation.
- FIGURE 1 is a perspective view of the floor drain standpipe of the instant invention with portions thereof being broken away and shown in section;
- FIGURE 2 is a fragmentary vertical sectional view 3,116,751 Patented Jan. 7, 1964 ICC taken through a section of concrete flooring having a oor drain therein and showing the lower end of the standpipe of the instant invention secured in the upper end of the floor drain; and
- FGURE 3 is a horizontal sectional view taken substantially upon the plane indicated by the section line 3 3 of FIGURE 2.
- a floor construction generally referred to by the reference numeral 1t
- the floor drain standpipe 1S includes an elongated upright tubular standard 2d whose lower end has a diametrically enlarged lower end section generally referred to by the reference numeral 22 secured thereto in any convenient manner such as by welding 24.
- the diametrically enlarged lower end portion is externally threaded at its lower terminal end portion 26 as at 28 and includes a generally radially outwardly projecting annular shoulder 3d whose lower face 32 -is adapted to abut the upper end of the oor drain pipe 14 in which the terminal end portion 26 is threadedly engaged.
- the upper surface 3d of the shoulder 3@ comprises thrust bearing means for the lower end of a valve collar assembly generally referred to by the reference numeral 36 which is rotatably journaled on the adjacent portions of the standard 2% and the diametrically enlarged lower end portion 22.
- the movable valve collar 36 includes an outer body portion 33 which is generally cylindrical and an inner cylindrical seal member 4d whose upper end is turned inwardly as at ft2 and is disposed in fluid sealing contacting relation with the outer surfaces of the standard 2t) as at da. It is to be noted that the seal member itl is to be constructed of a material which will not be adversely affected by cleaning materials such as bleach and detergents and is adapted to move with collar 36.
- a stop collar generally referred to by the reference numeral dit is secured to the standard 20 above the valve collar 36 in any convenient manner and the stop collar or ring 48 is provided with a radially outwardly projecting abutment member Stb which is disposed for engagement with a stop member 52 which is carried by and projects upwardly from the upper end of the valve collar 36.
- the diametrically enlarged lower end portion 22 includes a plurality of generally radial openings 54 which are spaced circumferentially about the lower end portion 22 and that the valve collar 36 includes a plurality of generally radial passages 56 which may be simultaneously moved into and out of registry with the openings 54.
- the passages 56 may be moved out of registry with the openings 54 by rotating the valve collar 36 relative to the standard 18. However, when it is desired to drain fluids from the floor 16, the valve collar 36 may be rotated relative to the standard 18 in order to move the passages 56 into registry with the openings 54.
- the seal member 4t is disposed in fluid tight sealing engagement with the outer surfaces of the diametrically enlarged lower end portion 22 disposed adjacent the openings 54 and accordingly, that fluids passing downwardly through the standard 18 when the passages 56 are not registered with the passages 54 will not be capable of owing outwardly through the passages 56 and onto the upper surface of the floor 1t).
- annular seal 60 is carried by the lower end of the terminal end portion 26 and that the seal 60 is adapted to have a spherical ball oat valve 62 disposed in iiuid tight sealing engagement therewith.
- the spherical float valve 62 is utilized to prevent water and the like from backing up through the floor drain pipe 14 and out of the standard 13. As water rises in the floor drain pipe 14 due to back pressure, the spherical valve 62 will be moved into fluid tight Sealing engagement with the annular seal 60.
- a oor drain standpipe for securement to the open upper end of a oor drain pipe, said standpipe including an elongated upright tubular standard whose lower end includes a terminal end portion having means adapted for securement to the upper end of said drain pipe, the lower end of said standard above said terminal end portion including inlet opening means, and movable valve means carried by said standard for selectively opening and closing said opening means, said movable valve means comprising a valve collar journaled on said standard and including passage means selectively registrable with said opening means, said standard including stop means disposed above said collar, said collar including abutment means projecting upwardly therefrom and engageable with said stop means to establish a limit of rotation of said collar relative to said standard, said stop means comprising a stop collar carried by said standard and also comprising thrust bearing means for the upper end of said collar and said standard between said collar and said terminal end portion including an outwardly projecting and upwardly facing shoulder formed integral therewith and comprising thrust bearing means for the lower end of said collar.
Description
Jm- 7,1964 R. c, HAMlL-roN 3,116,751
r-fLooR DRAIN sTANnPIPE Filed Jan. 4, 1962 Robert C. Ham/lion 1 N VEN TOR.
United States Patent O 3,116,751 FLOOR DRAlN STANDPIPE Robert C. Hamilton, South Bend, Ind., assignor to Jackel, Inc., South Bend, Intl., a corporation of Indiana Filed Jan. 4, 1962, Ser. No. 164,239 2 Claims. (Cl. 137-362) This invention relates to a novel and useful floor drain stan-dpipe land more specifically to a standpipe which is primarily designed for the punpose of providing a means whereby the conventional type of floor drain may be utilized as both a means Ifor draining liquids from a floor surface and alternately as a standpipe drain for draining the discharge of washing machines land the like whose outlet conduits must have their outlet ends elevated above the water level in the washing machine.
Many types of oor drain standpipes have been previously hereto-fore provided but most have been constructed in a manner similar to the -st-andpipe drain disclosed in U.S. Patent No. 1,951,632 which includes an upstanding tubular standard whose lower end is externally threaded for threaded engagement with the upper end of a door drain and which is also provided with outlet openings which open through the externally threaded portion of the standpipe. With this type of standpipe, the outlet openings are elevated above the upper end of the floor drain pipe by turning the standpipe a sufficient number of turns to raise the `outlet openings above the upper end of the oor drain pipe in which the lower end of the standard -is threadedly engaged and if the standard is to be used as a drain for a washing machine outlet conduit and the like, it is necessary to lower the standp-ipe relative to the floor drain pipe by vturning the standard a sufficient number of turns to move the apertured portion of the externally threaded lower end of the standard into the internally threaded upper end of the floor drain pipe. While this type of standpipe operates very effectively, because of the necessity to raise and lower the outlet openings forme-d therein relative to the floor drain pipe with which it is engage and into and out of registry with the upper end of the floor drain pipe, considerable time and effort must be expended when it is desired to change this type of standard from a oor draining position to an appliance draining position.
Accordingly, it is the main object of this invention to provide a floor drain standpipe which is constructed in a manner whereby it may be readily converted from one draining position to the other almost instantaneously.
A further object of this invention, in accordance with the immediately preceding object, is to provide a floor drain standpipe which may be secured to the upper end of a iioor drain pipe in the conventional manner by threaded engagement therewith but which is constructed in a manner whereby only a minimum amount of threaded engagement is required to secure the floor drain standpipe to the oor drain pipe.
Another object of this invention is to provide a licor drain standpipe which will conform to conventional forms of manufacture, be of simple construction and easy to use so as to provide a device that will be economically feasible, ,long lasting and relatively trouble free in operation.
These together with other objects and advantages which will become subsequently apparent reside in the details of construction and operation `as more -fully hereinafter described and claimed, reference being had to the accompanying drawings forming a part hereof, wherein like numerels refer to like parts throughout, and in which:
FIGURE 1 is a perspective view of the floor drain standpipe of the instant invention with portions thereof being broken away and shown in section;
FIGURE 2 is a fragmentary vertical sectional view 3,116,751 Patented Jan. 7, 1964 ICC taken through a section of concrete flooring having a oor drain therein and showing the lower end of the standpipe of the instant invention secured in the upper end of the floor drain; and
FGURE 3 is a horizontal sectional view taken substantially upon the plane indicated by the section line 3 3 of FIGURE 2.
Referring now more specifically to the drawings and to FGURE 2 in particular, it will be noted that a floor construction generally referred to by the reference numeral 1t) is provided with an upwardly opening recess 12 into which the upper end of an internally threaded floor drain pipe 14 opens. Only a short distance of the upper end of the floor drain pipe is internally threaded as at 16 and it will be seen that the floor drain standpipe of the instant invention is generally designated by the reference numeral 13. The floor drain standpipe 1S includes an elongated upright tubular standard 2d whose lower end has a diametrically enlarged lower end section generally referred to by the reference numeral 22 secured thereto in any convenient manner such as by welding 24. The diametrically enlarged lower end portion is externally threaded at its lower terminal end portion 26 as at 28 and includes a generally radially outwardly projecting annular shoulder 3d whose lower face 32 -is adapted to abut the upper end of the oor drain pipe 14 in which the terminal end portion 26 is threadedly engaged. The upper surface 3d of the shoulder 3@ comprises thrust bearing means for the lower end of a valve collar assembly generally referred to by the reference numeral 36 which is rotatably journaled on the adjacent portions of the standard 2% and the diametrically enlarged lower end portion 22.
The movable valve collar 36 includes an outer body portion 33 which is generally cylindrical and an inner cylindrical seal member 4d whose upper end is turned inwardly as at ft2 and is disposed in fluid sealing contacting relation with the outer surfaces of the standard 2t) as at da. It is to be noted that the seal member itl is to be constructed of a material which will not be adversely affected by cleaning materials such as bleach and detergents and is adapted to move with collar 36.
A stop collar generally referred to by the reference numeral dit is secured to the standard 20 above the valve collar 36 in any convenient manner and the stop collar or ring 48 is provided with a radially outwardly projecting abutment member Stb which is disposed for engagement with a stop member 52 which is carried by and projects upwardly from the upper end of the valve collar 36.
It may be observed that the diametrically enlarged lower end portion 22 includes a plurality of generally radial openings 54 which are spaced circumferentially about the lower end portion 22 and that the valve collar 36 includes a plurality of generally radial passages 56 which may be simultaneously moved into and out of registry with the openings 54.
In operation, if it is desired to use the standpipe 18 as a drain for an appliance such as a washing machine, the passages 56 may be moved out of registry with the openings 54 by rotating the valve collar 36 relative to the standard 18. However, when it is desired to drain fluids from the floor 16, the valve collar 36 may be rotated relative to the standard 18 in order to move the passages 56 into registry with the openings 54. It will be noted that the seal member 4t) is disposed in fluid tight sealing engagement with the outer surfaces of the diametrically enlarged lower end portion 22 disposed adjacent the openings 54 and accordingly, that fluids passing downwardly through the standard 18 when the passages 56 are not registered with the passages 54 will not be capable of owing outwardly through the passages 56 and onto the upper surface of the floor 1t). Additionally,
it will be noted that an inwardly projecting annular seal 60 is carried by the lower end of the terminal end portion 26 and that the seal 60 is adapted to have a spherical ball oat valve 62 disposed in iiuid tight sealing engagement therewith. The spherical float valve 62 is utilized to prevent water and the like from backing up through the floor drain pipe 14 and out of the standard 13. As water rises in the floor drain pipe 14 due to back pressure, the spherical valve 62 will be moved into fluid tight Sealing engagement with the annular seal 60.
The foregoing is considered as illustrative only of the principles of the invention. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the invention to the exact construction and operation shown and described, and accordingly all suitable modifications and equivalents may be resorted to, falling within the scope of the invention as claimed.
What is claimed as new is as follows:
1. A oor drain standpipe for securement to the open upper end of a oor drain pipe, said standpipe including an elongated upright tubular standard whose lower end includes a terminal end portion having means adapted for securement to the upper end of said drain pipe, the lower end of said standard above said terminal end portion including inlet opening means, and movable valve means carried by said standard for selectively opening and closing said opening means, said movable valve means comprising a valve collar journaled on said standard and including passage means selectively registrable with said opening means, said standard including stop means disposed above said collar, said collar including abutment means projecting upwardly therefrom and engageable with said stop means to establish a limit of rotation of said collar relative to said standard, said stop means comprising a stop collar carried by said standard and also comprising thrust bearing means for the upper end of said collar and said standard between said collar and said terminal end portion including an outwardly projecting and upwardly facing shoulder formed integral therewith and comprising thrust bearing means for the lower end of said collar.
2. The combination of claim 1 wherein said collar includes seal means disposed in fluid tight sealing engagement with said standard.
References Cited in the tile of this patent UNITED STATES PATENTS 68,478 Allen Sept. 3, 1867 1,296,239 Van Meter Mar. 4, 1919 1,762,190 Noe June 10, 1930 1,951,632 Selimos Mar. 20, 1934- 1,962,978 Baldare June 12, 1934 2,049,340 Horst July 28, 1936 2,891,572 Clark June 23, 1959 FOREIGN PATENTS 132,401 Switzerland July 1, 1929
Claims (1)
1. A FLOOR DRAIN STANDPIPE FOR SECUREMENT TO THE OPEN UPPER END OF A FLOOR DRAIN PIPE, SAID STANDPIPE INCLUDING AN ELONGATED UPRIGHT TUBULAR STANDARD WHOSE LOWER END INCLUDES A TERMINAL END PORTION HAVING MEANS ADAPTED FOR SECUREMENT TO THE UPPER END OF SAID DRAIN PIPE, THE LOWER END OF SAID STANDARD ABOVE SAID TERMINAL END PORTION INCLUDING INLET OPENING MEANS, AND MOVABLE VALVE MEANS CARRIED BY SAID STANDARD FOR SELECTIVELY OPENING AND CLOSING SAID OPENING MEANS, SAID MOVABLE VALVE MEANS COMPRISING A VALVE COLLAR JOURNALED ON SAID STANDARD AND INCLUDING PASSAGE MEANS SELECTIVELY REGISTRABLE WITH SAID OPENING MEANS, SAID STANDARD INCLUDING STOP MEANS DISPOSED ABOVE SAID COLLAR, SAID COLLAR INCLUDING ABUTMENT MEANS PROJECTING UPWARDLY THEREFROM AND ENGAGEABLE WITH SAID STOP MEANS TO ESTABLISH A LIMIT OF ROTATION OF SAID COLLAR RELATIVE TO SAID STANDARD, SAID STOP MEANS COMPRISING A STOP COLLAR CARRIED BY SAID STANDARD AND ALSO COMPRISING THRUST BEARING MEANS FOR THE UPPER END OF SAID COLLAR AND SAID STANDARD BETWEEN SAID COLLAR AND SAID TERMINAL END PORTION INCLUDING AN OUTWARDLY PROJECTING AND UPWARDLY FACING SHOULDER FORMED INTEGRAL THEREWITH AND COMPRISING THRUST BEARING MEANS FOR THE LOWER END OF SAID COLLAR.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US164239A US3116751A (en) | 1962-01-04 | 1962-01-04 | Floor drain standpipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US164239A US3116751A (en) | 1962-01-04 | 1962-01-04 | Floor drain standpipe |
Publications (1)
Publication Number | Publication Date |
---|---|
US3116751A true US3116751A (en) | 1964-01-07 |
Family
ID=22593591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US164239A Expired - Lifetime US3116751A (en) | 1962-01-04 | 1962-01-04 | Floor drain standpipe |
Country Status (1)
Country | Link |
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US (1) | US3116751A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4205710A (en) * | 1974-06-28 | 1980-06-03 | Dunicz Boleslaw L | Funnel device for safe disposal of chemical wastes |
US4852609A (en) * | 1988-11-03 | 1989-08-01 | Anton Schoenauer | Sump pump adaptor |
US5771507A (en) * | 1997-04-29 | 1998-06-30 | New Pig Corporation | Extendible drain closure device |
US6318397B1 (en) * | 1999-08-04 | 2001-11-20 | Donald G. Huber | Side port floor drain |
US20120124724A1 (en) * | 2010-11-18 | 2012-05-24 | Lapointe Thomas | Garbage Disposal Sink Drain Safety Device |
US9010363B2 (en) | 2013-06-24 | 2015-04-21 | The Rectorseal Corporation | Drain valve |
US9139991B2 (en) | 2011-01-31 | 2015-09-22 | The Rectorseal Corporation | Floor drain valve with resiliently mounted rigid flappers |
US9416986B2 (en) | 2013-06-24 | 2016-08-16 | The Rectorseal Corporation | Valve for roof vent |
US11299873B1 (en) * | 2019-11-22 | 2022-04-12 | Benjamin Dillingham | Sewage backflow preventing valve |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US68478A (en) * | 1867-09-03 | Improvement in escape-valve hose-coupling | ||
US1296239A (en) * | 1917-10-31 | 1919-03-04 | Fred S Hazelton | Drain-cock. |
CH132401A (en) * | 1928-06-05 | 1929-04-15 | Verzinkerei Zug Ag | Washtub valve. |
US1762190A (en) * | 1928-09-24 | 1930-06-10 | Noe Charles | Valve for cellar drains |
US1951632A (en) * | 1931-08-22 | 1934-03-20 | Christ A Selimos | Drain controls for sewers and the like |
US1962978A (en) * | 1933-08-25 | 1934-06-12 | Baldare Angelo | Basement drain |
US2049340A (en) * | 1935-09-03 | 1936-07-28 | Horst Henry Van Der | Drain |
US2891572A (en) * | 1957-04-12 | 1959-06-23 | John P Clark | Mixer for liquid fuels |
-
1962
- 1962-01-04 US US164239A patent/US3116751A/en not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US68478A (en) * | 1867-09-03 | Improvement in escape-valve hose-coupling | ||
US1296239A (en) * | 1917-10-31 | 1919-03-04 | Fred S Hazelton | Drain-cock. |
CH132401A (en) * | 1928-06-05 | 1929-04-15 | Verzinkerei Zug Ag | Washtub valve. |
US1762190A (en) * | 1928-09-24 | 1930-06-10 | Noe Charles | Valve for cellar drains |
US1951632A (en) * | 1931-08-22 | 1934-03-20 | Christ A Selimos | Drain controls for sewers and the like |
US1962978A (en) * | 1933-08-25 | 1934-06-12 | Baldare Angelo | Basement drain |
US2049340A (en) * | 1935-09-03 | 1936-07-28 | Horst Henry Van Der | Drain |
US2891572A (en) * | 1957-04-12 | 1959-06-23 | John P Clark | Mixer for liquid fuels |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4205710A (en) * | 1974-06-28 | 1980-06-03 | Dunicz Boleslaw L | Funnel device for safe disposal of chemical wastes |
US4852609A (en) * | 1988-11-03 | 1989-08-01 | Anton Schoenauer | Sump pump adaptor |
US5771507A (en) * | 1997-04-29 | 1998-06-30 | New Pig Corporation | Extendible drain closure device |
US6318397B1 (en) * | 1999-08-04 | 2001-11-20 | Donald G. Huber | Side port floor drain |
US20120124724A1 (en) * | 2010-11-18 | 2012-05-24 | Lapointe Thomas | Garbage Disposal Sink Drain Safety Device |
US9139991B2 (en) | 2011-01-31 | 2015-09-22 | The Rectorseal Corporation | Floor drain valve with resiliently mounted rigid flappers |
US9010363B2 (en) | 2013-06-24 | 2015-04-21 | The Rectorseal Corporation | Drain valve |
US9416986B2 (en) | 2013-06-24 | 2016-08-16 | The Rectorseal Corporation | Valve for roof vent |
US11299873B1 (en) * | 2019-11-22 | 2022-04-12 | Benjamin Dillingham | Sewage backflow preventing valve |
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