RF

Robert T. Foister

Delphi Technologies: 9 patents #304 of 4,124Top 8%
General Motors: 6 patents #2,601 of 18,328Top 15%
BS Bwi Company Limited S.A.: 2 patents #4 of 45Top 9%
BC Beijing West Industries Co.: 1 patents #53 of 102Top 55%
Overall (All Time): #239,815 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9004243 Magneto-rheological damping assembly Thomas W. Nehl, Frederic Bailly, Guy Tessier 2015-04-14
8327984 Magnetorheological (MR) piston assembly with primary and secondary channels to improve MR damper force Thomas W. Nehl, William C. Kruckemeyer, Oliver Raynauld 2012-12-11
8286763 Magnetorheological fluid-based device having a magnetorheological piston assembly Thomas W. Nehl, Alexander Apostolos Alexandridis, William C. Kruckemeyer, Fang Deng 2012-10-16
7731863 Magnetorheological fluid with a fluorocarbon thickener Vardarajan R. Iyengar, Sally M. Yurgelevic 2010-06-08
7575695 Additives package and magnetorheological fluid formulations for extended durability Vardarajan R. Iyengar, Sally M. Yurgelevic 2009-08-18
6811717 Magnetorheological compositions for use in magnetorheological fluids and method of preparing same Vardarajan R. Iyengar 2004-11-02
6787058 Low-cost MR fluids with powdered iron Vardarajan R. Iyengar, Sally M. Yurgelevic 2004-09-07
6679999 MR fluids containing magnetic stainless steel Vardarajan R. Iyengar, James C. Johnson 2004-01-20
6638443 Optimized synthetic base liquid for magnetorheological fluid formulations Vardarajan R. Iyengar 2003-10-28
6599439 Durable magnetorheological fluid compositions Vardarajan R. Iyengar 2003-07-29
6592772 Stabilization of magnetorheological fluid suspensions using a mixture of organoclays Vardarajan R. Iyengar, Sally M. Yurgelevic 2003-07-15
6451219 Use of high surface area untreated fumed silica in MR fluid formulation Vardarajan R. Iyengar 2002-09-17
6439556 Active decoupler hydraulic mount Thomas Baudendistel, Sanjiv Tewani, Mark Long, James Eugene Dingle 2002-08-27
6149832 Stabilized magnetorheological fluid compositions 2000-11-21
5667715 Magnetorheological fluids 1997-09-16
5279754 Electrorheological fluids having polypropylene carbonate adsorbed on the solid phase Elio Eusebi 1994-01-18
5122292 Methods of varying the frequency to produce predetermined electrorheological responses Elio Eusebi 1992-06-16
5122293 Method of activating and deactivating an electrorheological response at constant alternating current Elio Eusebi 1992-06-16
4544432 Method of bonding phosphated steel surfaces electrodeposited with a primer Richard K. Gray 1985-10-01