James A. Neff — 33 Patents at Mac Valves

James A. Neff has been granted 33 US patents while listed as an inventor at Mac Valves. The first was granted in 1980 and the most recent in April 2003. James A. Neff ranks #105,480 of 4,157,543 US inventors in our database (top 2.5%). Patent records list James A. Neff in West Bloomfield Township, MI, US.

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #	Title	Co-Inventors	Date
6543481	Pilot operated pneumatic valve	Richard A. Fagerlie	2003-04-08
6192937	Pilot operated pneumatic valve	Richard A. Fagerlie	2001-02-27
6095184	Pressure regulator with integrated control valve, adjustable downstream pressure build and quick exhaust	Richard A. Fagerlie	2000-08-01
5192936	Solenoid	Richard A. Fagerlie, Eric P. Janssen, Michael E. Robert	1993-03-09
5136774	Method of making a valve with adjustable valve seat	—	1992-08-11
5092365	Valve with adjustable valve seat	—	1992-03-03
4880033	Poppet valve	—	1989-11-14
4856560	Valve base with integral flow control valves and common exhaust passage	Richard A. Fagerlie	1989-08-15
4770209	Valve base with integral flow controls	—	1988-09-13
4770210	Valve manifold stacking base	Richard A. Fagerlie	1988-09-13
4579042	Selective air pressure control system for welding and like apparatus	—	1986-04-01
4574844	Four-way poppet valve	Richard A. Fagerlie	1986-03-11
4566490	Direct solenoid operated valve with minimal tolerance accumulation	—	1986-01-28
4522374	Valve spool	—	1985-06-11
4491151	Four-way stacking valve with common electrical conduit and individual body mounted exhaust flow controls	—	1985-01-01
4491152	Four-way stacking valve with common electrical conduit and body mounted individual exhaust flow controls that project through the cover	—	1985-01-01
4485846	Four-way valve with integral flow controls, common exhaust, and cartridge type pilot valve	—	1984-12-04
4465100	Four-way stacking valve with common electrical conduit and individual body mounted exhaust flow controls	—	1984-08-14
4462427	Four-way stacking valve with common electrical conduit and body mounted individual exhaust flow controls that project through the cover	—	1984-07-31
4453565	Four-way valve with cover mounted pressure regulating and flow control valve	—	1984-06-12
4453697	Remote air operator for an air valve, with manual override and indicator	—	1984-06-12
4438418	Low-wattage solenoid	—	1984-03-20
4407323	Cartridge type pilot valve	—	1983-10-04
4381797	Flow control valve with a non-rising stem	—	1983-05-03
4298027	Three-way normally closed pilot valve	—	1981-11-03

12 Next »

James A. Neff — 33 Patents

Issued Patents All Time

Patent Widget