|
| US3951881 | 3 oct. 1974 | 20 avr. 1976 | Rockwell International Corporation | Method of magnetic particle testing using strippable coatings |
| US4849120 | 2 mai 1988 | 18 juil. 1989 | | Magnetically controllable couplings containing ferrafluids |
| US4944802 | 16 sept. 1988 | 31 juil. 1990 | Omni Quest Corporation | High coercivity magnetic inks and method for making same |
| US4957644 | 27 juin 1989 | 18 sept. 1990 | | Magnetically controllable couplings containing ferrofluids |
| US5147573 | 26 nov. 1990 | 15 sept. 1992 | Omni Quest Corporation | Superparamagnetic liquid colloids |
| US5353839 | 6 nov. 1992 | 11 oct. 1994 | Byelocorp Scientific, Inc. | Magnetorheological valve and devices incorporating magnetorheological elements |
| US5354488 | 7 oct. 1992 | 11 oct. 1994 | TRW Inc. | Fluid responsive to a magnetic field |
| US5382373 | 30 oct. 1992 | 17 janv. 1995 | Lord Corporation | Magnetorheological materials based on alloy particles |
| US5453209 | 28 sept. 1992 | 26 sept. 1995 | | Chemical metal and oil treating composition and process |
| US5505880 | 16 nov. 1994 | 9 avr. 1996 | BASF Aktiengesellschaft | Magnetorheological Fluid |
| US5516445 | 30 mai 1995 | 14 mai 1996 | Nippon Oil Company, Ltd. | Fluid having magnetic and electrorheological effects simultaneously and |
| US5547049 | 31 mai 1994 | 20 août 1996 | Lord Corporation | Magnetorheological fluid composite structures |
| US5577948 | 8 sept. 1995 | 26 nov. 1996 | Byelocorp Scientific, Inc. | Magnetorheological polishing devices and methods |
| US5599474 | 18 avr. 1994 | 4 févr. 1997 | Lord Corporation | Temperature independent magnetorheological materials |
| US5639296 | 25 oct. 1994 | 17 juin 1997 | Sandia Corporation | Thixotropic particles suspensions and method for their formation |
| US5645752 | 20 déc. 1995 | 8 juil. 1997 | Lord Corporation | Thixotropic magnetorheological materials |
| US5683615 | 13 juin 1996 | 4 nov. 1997 | Lord Corporation | Magnetorheological fluid |
| US5705085 | 13 juin 1996 | 6 janv. 1998 | Lord Corporation | Organomolybdenum-containing magnetorheological fluid |
| US5730893 | 3 déc. 1996 | 24 mars 1998 | Ferrotec Corporation | Magnetic colloids using acid terminated poly (12-hydroxystearic acid) dispersants |
| US5795212 | 16 oct. 1995 | 18 août 1998 | Byelocorp Scientific, Inc.
University of Rochester | Deterministic magnetorheological finishing |
| US5839944 | 14 juil. 1997 | 24 nov. 1998 | Byelocorp, Inc.
University of Rochester | Apparatus deterministic magnetorheological finishing of workpieces |
| US5900184 | 18 oct. 1995 | 4 mai 1999 | Lord Corporation | Method and magnetorheological fluid formulations for increasing the output of a magnetorheological fluid device |
| US5906767 | 28 oct. 1997 | 25 mai 1999 | Lord Corporation | Magnetorheological fluid |
| US5921357 | 14 avr. 1997 | 13 juil. 1999 | TRW Inc. | Spacecraft deployment mechanism damper |
| US6027664 | 12 août 1998 | 22 févr. 2000 | Lord Corporation | Method and magnetorheological fluid formulations for increasing the output of a magnetorheological fluid |
| US6106380 | 19 févr. 1998 | 22 août 2000 | Byelocorp Scientific, Inc. | Deterministic magnetorheological finishing |
| US6395193 | 3 mai 2000 | 28 mai 2002 | Lord Corporation | Magnetorheological compositions |
| US6503414 | 3 juil. 1996 | 7 janv. 2003 | Byelocorp Scientific, Inc. | Magnetorheological polishing devices and methods |
| US6547986 | 21 sept. 2000 | 15 avr. 2003 | Lord Corporation | Magnetorheological grease composition |
| US7070707 | 23 mai 2002 | 4 juil. 2006 | Lord Corporation | Magnetorheological composition |
| US7261616 | 18 nov. 2002 | 28 août 2007 | QED Technologies International, Inc. | Magnetorheological polishing devices and methods |
| US8062541 | 1 août 2008 | 22 nov. 2011 | Lord Corporation | Non-settling glycol based magnetorheological fluids |
