Inventor · disambiguated record
Robert T. Foister
Also filed as: FOISTER ROBERT T · FOISTER ROBERT THOMAS
19 granted patents·3 pending applications·442 citations·filing 1984–2011
95Inventor score
Files withDELPHI TECH INC10GEN MOTORS CORP6NEHL THOMAS WOLFGANG2FOISTER ROBERT T1IYENGAR VARDARAJAN R1
Top patents by PatentIndex Score
22 records- 0196US5667715AMagnetorheological fluidsGEN MOTORS CORP·Filed 1996·Granted Sep 16, 1997·121 cites·12 claims
- 0295US6599439B2Durable magnetorheological fluid compositionsDELPHI TECH INC·Filed 2000·Granted Jul 29, 2003·66 cites·11 claims
- 0392US6439556B1Active decoupler hydraulic mountDELPHI TECH INC·Filed 2001·Granted Aug 27, 2002·42 cites·19 claims
- 0486US6149832AStabilized magnetorheological fluid compositionsGEN MOTORS CORP·Filed 1998·Granted Nov 21, 2000·49 cites·9 claims
- 0584US8327984B2Magnetorheological (MR) piston assembly with primary and secondary channels to improve MR damper forceFOISTER ROBERT T·Filed 2009·Granted Dec 11, 2012·18 cites·19 claims
- 0684US6592772B2Stabilization of magnetorheological fluid suspensions using a mixture of organoclaysDELPHI TECH INC·Filed 2001·Granted Jul 15, 2003·27 cites·31 claims
- 0783US6451219B1Use of high surface area untreated fumed silica in MR fluid formulationDELPHI TECH INC·Filed 2000·Granted Sep 17, 2002·23 cites·32 claims
- 0881US8286763B2Magnetorheological fluid-based device having a magnetorheological piston assemblyNEHL THOMAS WOLFGANG·Filed 2008·Granted Oct 16, 2012·7 cites·11 claims
- 0981US6811717B2Magnetorheological compositions for use in magnetorheological fluids and method of preparing sameDELPHI TECH INC·Filed 2002·Granted Nov 2, 2004·17 cites·44 claims
- 1073US6638443B2Optimized synthetic base liquid for magnetorheological fluid formulationsDELPHI TECH INC·Filed 2001·Granted Oct 28, 2003·13 cites·20 claims
- 1169US9004243B2Magneto-rheological damping assemblyNEHL THOMAS WOLFGANG·Filed 2011·Granted Apr 14, 2015·4 cites·19 claims
- 1266US7731863B2Magnetorheological fluid with a fluorocarbon thickenerIYENGAR VARDARAJAN R·Filed 2007·Granted Jun 8, 2010·5 cites·23 claims
- 1365US6787058B2Low-cost MR fluids with powdered ironDELPHI TECH INC·Filed 2002·Granted Sep 7, 2004·9 cites·52 claims
- 1460US6679999B2MR fluids containing magnetic stainless steelDELPHI TECH INC·Filed 2001·Granted Jan 20, 2004·4 cites·15 claims
- 1557US4544432AMethod of bonding phosphated steel surfaces electrodeposited with a primerGEN MOTORS CORP·Filed 1984·Granted Oct 1, 1985·18 cites·2 claims
- 1656US7575695B2Additives package and magnetorheological fluid formulations for extended durabilityDELPHI TECH INC·Filed 2007·Granted Aug 18, 2009·1 cites·23 claims
- 1753US5122293AMethod of activating and deactivating an electrorheological response at constant alternating currentGEN MOTORS CORP·Filed 1991·Granted Jun 16, 1992·10 cites·4 claims
- 1847US2006260891A1Magnetorheological piston assembly and damperKRUCKEMEYER WILLIAM C·Filed 2006·Application pending·0 cites
- 1942US5122292AMethods of varying the frequency to produce predetermined electrorheological responsesGEN MOTORS CORP·Filed 1991·Granted Jun 16, 1992·6 cites·4 claims
- 2042US2005064191A1Hydrophobic metal particles for magnetorheological compositionsDELPHI TECH INC·Filed 2004·Application pending·0 cites
- 2135US2002000533A1Hydrophobic metal particles for magnetorheological compositionFiled 2000·Application pending·0 cites
- 2233US5279754AElectrorheological fluids having polypropylene carbonate adsorbed on the solid phaseGEN MOTORS CORP·Filed 1992·Granted Jan 18, 1994·2 cites·3 claims
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