DJ

Duane R. Johnson

BS Bendix Commercial Vehicle Systems: 8 patents #53 of 338Top 20%
AL Alliedsignal: 7 patents #180 of 2,631Top 7%
AS Alliedsignal Truck Brake Systems: 4 patents #2 of 44Top 5%
AC Allied Consulting: 3 patents #198 of 1,310Top 20%
JD John Deere: 1 patents #2,957 of 5,518Top 55%
📍 Oberlin, OH: #2 of 50 inventorsTop 4%
🗺 Ohio: #2,691 of 73,341 inventorsTop 4%
Overall (All Time): #185,678 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
8550426 Two step park brake release Rebecca J. Carter, Mark H. Sciulli, Scott R. Weslow, Timothy John Beckwith 2013-10-08
8539825 Adjustable simulator apparatus and method for testing vehicle components Timothy John Beckwith, Jeffrey D. Szalkowski 2013-09-24
8499663 Brake pedal stop Jeffrey Krause, Mark H. Sciulli 2013-08-06
7355628 Method and apparatus of maintaining a video signal through brief interruptions of a related control signal Mark A. Matko, Craig S. Haehn 2008-04-08
7325463 Fluid sensor assembly Andrea L. Morrison, Tim Beckwith, Mark H. Sciulli, John Bias, Jeffrey Krause 2008-02-05
7247805 Switch actuation method and mechanism Jeffrey Krause 2007-07-24
6909408 Mounting assembly for night vision display unit Mark A. Matko, Craig S. Haehn 2005-06-21
6863544 Remote diagnostic unit enclosure assembly Craig S. Haehn, Park E. Larson, Robert J. Custer 2005-03-08
6254048 Solenoid clamp Gregory R. Ashley 2001-07-03
5762094 Automatic valve drain Gary R. Hendershot 1998-06-09
5666995 Pilot relay valve including means to control flow through a balance orifice Robert J. Herbst 1997-09-16
5458676 Pressure differential control valve for compressed air system Robert J. Herbst 1995-10-17
5439275 Signal generator Santo Padula 1995-08-08
5365791 Signal generator Santo Padula 1994-11-22
5261458 Pilot relay valve with load piston Robert J. Herbst, James E. Fent, James G. Pugh, Paul O. Szentkiralyi 1993-11-16
5080133 Control valve assembly Robert J. Herbst 1992-01-14
4979783 Parking brake control valve dual actuating device 1990-12-25
4923254 Hydraulic parking brake control system Gary L. Vander Molen 1990-05-08
4875563 Shift lever activated parking brake Scott A. Larson 1989-10-24
4790208 Knob and shaft assembly 1988-12-13
4729607 Dual circuit brake valve differential pressure control mechanism 1988-03-08
4691968 Dual circuit brake valve James G. Pugh, Roy E. Bartholomew 1987-09-08
4515258 Clutch drive with link spring 1985-05-07