DH

Durrell U. Howard

📍 San Antonio, TX: #105 of 5,017 inventorsTop 3%
🗺 Texas: #3,516 of 125,132 inventorsTop 3%
Overall (All Time): #114,184 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDate
7806419 Steer wheel control system with reciprocating cylinder 2010-10-05
7219908 Steer wheel control system with stationary piston and reciprocating cylinder 2007-05-22
7207579 Precision steer wheel control system with external solenoid 2007-04-24
7207580 Precision steer wheel control system with remote trim valve assembly 2007-04-24
7118118 Steer wheel control system with dual pistons connected to a common shaft 2006-10-10
6994361 Steer wheel control system with trimmable rotary plate 2006-02-07
6817620 Precision steer wheel control system with internal solenoid 2004-11-16
6530585 Vehicle steering stabilizer with detent ramp in rotary plate 2003-03-11
6520519 Trimming apparatus for steer wheel control systems 2003-02-18
6520520 Steering stabilizer with trimming accumulator 2003-02-18
6422582 Center holding assembly for vehicle steering systems 2002-07-23
6272947 Steering shaft centering assembly 2001-08-14
6267395 Vehicle steering compensator with air actuated trim mechanism 2001-07-31
6065561 Power steering system with controlled centering 2000-05-23
6003887 Rotary centering compensator for vehicle steering systems 1999-12-21
5816731 Sealed self-adjusting bearing assembly 1998-10-06
5816594 Steering column centering assembly 1998-10-06
5673874 External sliding aircraft door 1997-10-07
5536028 Power centering compensator for vehicle steering systems 1996-07-16
5527053 Detent centering compensator for vehicle steering systems 1996-06-18
5435652 Self-adjusting bearing assembly 1995-07-25
5259576 External sliding aircraft door 1993-11-09
RE33012 Trailer coupling means 1989-08-08
4534577 Remotely adjustable steering compensator 1985-08-13
4418931 Remotely adjustable steering compensator 1983-12-06