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Gilbert H. Drutchas

TL Trw Limited: 20 patents #18 of 2,166Top 1%
📍 Birmingham, MI: #52 of 851 inventorsTop 7%
🗺 Michigan: #4,032 of 86,293 inventorsTop 5%
Overall (All Time): #226,698 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
4986689 Ball joint 1991-01-22
4887682 Method and apparatus for nullifying electrical offsets in a torsion sensor John S. Borza 1989-12-19
4828060 Auxiliary drive circuit for an electric assist steering system John S. Borza 1989-05-09
4790522 Electroviscous fluid control device 1988-12-13
4751978 Electric assist steering system with alternator power source John S. Borza 1988-06-21
4623031 Control apparatus for a steering system David J. Suttkus 1986-11-18
RE32222 Steering gear 1986-08-12
4598787 Control apparatus for power assist steering system 1986-07-08
4557342 Hydraulic apparatus 1985-12-10
4550597 Method and apparatus for sensing relative movement between members John S. Borza 1985-11-05
4516918 Pump assembly Phillip B. Spencer 1985-05-14
4449506 Fuel supply system 1984-05-22
4422834 Power steering pump David J. Suttkus 1983-12-27
4420290 Power steering pump 1983-12-13
4415054 Steering gear 1983-11-15
4408963 Power steering pump 1983-10-11
4400144 Air compressor David J. Suttkus 1983-08-23
4259044 Fuel pump assembly Phillip B. Spencer 1981-03-31
4248194 Method and apparatus for controlling the operation of a pump David Wormley 1981-02-03
4207033 Pump and motor assembly for use in regulating a flow of fuel from a source of fuel to an operating chamber of an engine of a vehicle 1980-06-10