DD

David Drennen

GO Goodrich: 37 patents #8 of 1,113Top 1%
Delphi Technologies: 17 patents #107 of 4,124Top 3%
General Motors: 8 patents #1,966 of 18,328Top 15%
Hamilton Sundstrand: 1 patents #1,184 of 2,079Top 60%
RTX (Raytheon): 1 patents #8,248 of 15,912Top 55%
📍 Centerville, OH: #7 of 668 inventorsTop 2%
🗺 Ohio: #435 of 73,341 inventorsTop 1%
Overall (All Time): #33,859 of 4,157,543Top 1%
65
Patents All Time

Issued Patents All Time

Showing 51–65 of 65 patents

Patent #TitleCo-InventorsDate
6481543 Zero drag disc brake with anti-knock-back device Schuyler S. Shaw, Bryan P. Riddiford, John Benjamin Hageman, Donald Edward Schenk 2002-11-19
6435320 Solenoid based park brake method Patrick A. Mescher, Harald Klode, Gustavus P. Bock 2002-08-20
6412610 Electric brake caliper Gary C. Fulks, Robert J. Disser 2002-07-02
6401879 Electric park brake actuator (electric caliper) Patrick A. Mescher, Pierre C. Longuemare, Harald Klode 2002-06-11
6390247 Electric caliper with eccentric lever drive 2002-05-21
6367593 Electric caliper having splined ball screw Ernest Siler 2002-04-09
6139460 Electric caliper Brian P. Heber 2000-10-31
6024422 Large displacement variable pitch screw-driven system Gustavus P. Bock, Ryan Lovell Wright 2000-02-15
5667283 Variable screw-driven system Ryan Lovell Wright 1997-09-16
5667284 Manually backdrivable ball screw assisted braking system Ryan Lovell Wright 1997-09-16
5492314 Preloaded digressive rate mount 1996-02-20
5377798 Clutch plate with blocking wall for a viscous fluid clutch David Hudson, Lawrence C. Kennedy 1995-01-03
5330040 Ringed cover and seal for a viscous fluid clutch and method of making 1994-07-19
5119921 Baffle wall for a cover of a viscous fluid clutch and method Ronald G. Huth, David Hudson 1992-06-09
5113987 Fluid return channels for a cover of a viscous fluid clutch Ronald G. Huth, David Hudson 1992-05-19