Inventor · disambiguated record
James A. Neff
Also filed as: FAGERLIE RICHARD A · NEFF JAMES A
35 granted patents·846 citations·filing 1975–2001
98Inventor score
Top patents by PatentIndex Score
35 records- 0194US4574844AFour-way poppet valveMAC VALVES INC·Filed 1984·Granted Mar 11, 1986·77 cites·8 claims
- 0292US4195552APressure reducer and flow control valveMAC VALVES INC·Filed 1976·Granted Apr 1, 1980·39 cites·41 claims
- 0390US4298027AThree-way normally closed pilot valveMAC VALVES INC·Filed 1979·Granted Nov 3, 1981·37 cites·2 claims
- 0488US4267862ADirectional control valve with flow path through valve spoolMAC VALVES INC·Filed 1979·Granted May 19, 1981·52 cites·11 claims
- 0588US4257572AValve with internal accumulator and check valveMAC VALVES INC·Filed 1979·Granted Mar 24, 1981·40 cites·8 claims
- 0686US4485846AFour-way valve with integral flow controls, common exhaust, and cartridge type pilot valveMAC VALVES INC·Filed 1982·Granted Dec 4, 1984·44 cites·10 claims
- 0784US4880033APoppet valveMAC VALVES INC·Filed 1988·Granted Nov 14, 1989·42 cites·2 claims
- 0884US4770210AValve manifold stacking baseMAC VALVES INC·Filed 1987·Granted Sep 13, 1988·45 cites·11 claims
- 0983US4100519AAlignment means for a moveable pole-plunger assemblyMAC VALVES INC·Filed 1975·Granted Jul 11, 1978·26 cites·15 claims
- 1082US6192937B1Pilot operated pneumatic valveMAC VALVES INC·Filed 1999·Granted Feb 27, 2001·48 cites·9 claims
- 1180US6543481B2Pilot operated pneumatic valveMAC VALVES INC·Filed 2001·Granted Apr 8, 2003·24 cites·18 claims
- 1279US5192936ASolenoidMAC VALVES INC·Filed 1991·Granted Mar 9, 1993·33 cites·7 claims
- 1379US4453565AFour-way valve with cover mounted pressure regulating and flow control valveMAC VALVES INC·Filed 1982·Granted Jun 12, 1984·32 cites·9 claims
- 1476US5092365AValve with adjustable valve seatMAC VALVES INC·Filed 1991·Granted Mar 3, 1992·38 cites·4 claims
- 1574US4579042ASelective air pressure control system for welding and like apparatusMAC VALVES INC·Filed 1984·Granted Apr 1, 1986·20 cites·6 claims
- 1674US4279271APressure regulator and flow control valve with pre-exhaustMAC VALVES INC·Filed 1979·Granted Jul 21, 1981·23 cites·14 claims
- 1769US4407323ACartridge type pilot valveMAC VALVES INC·Filed 1982·Granted Oct 4, 1983·22 cites·7 claims
- 1868US4197874APressure regulator and flow control valve with pre-exhaust vent meansMAC VALVES INC·Filed 1978·Granted Apr 15, 1980·19 cites·8 claims
- 1966US4438418ALow-wattage solenoidMAC VALVES INC·Filed 1982·Granted Mar 20, 1984·14 cites·3 claims
- 2062US4271868APilot operated pilot valveMAC VALVES INC·Filed 1979·Granted Jun 9, 1981·17 cites·8 claims
- 2161US4522374AValve spoolMAC VALVES INC·Filed 1983·Granted Jun 11, 1985·21 cites·6 claims
- 2258US4566490ADirect solenoid operated valve with minimal tolerance accumulationMAC VALVES INC·Filed 1981·Granted Jan 28, 1986·12 cites·9 claims
- 2356US5136774AMethod of making a valve with adjustable valve seatMAC VALES INC·Filed 1991·Granted Aug 11, 1992·20 cites·1 claims
- 2454US6095184APressure regulator with integrated control valve, adjustable downstream pressure build and quick exhaustMAC VALVES INC·Filed 1999·Granted Aug 1, 2000·22 cites·16 claims
- 2553US4271864APressure regulating valveMAC VALVES INC·Filed 1980·Granted Jun 9, 1981·12 cites·8 claims
- 2651US4465100AFour-way stacking valve with common electrical conduit and individual body mounted exhaust flow controlsMAC VALVES INC·Filed 1982·Granted Aug 14, 1984·8 cites·6 claims
- 2748US4177840APressure regulation and flow control valve with combination needle and check valvesMAC VALVES INC·Filed 1977·Granted Dec 11, 1979·9 cites·15 claims
- 2844US4856560AValve base with integral flow control valves and common exhaust passageNEFF JAMES A·Filed 1988·Granted Aug 15, 1989·9 cites·3 claims
- 2944US4462427AFour-way stacking valve with common electrical conduit and body mounted individual exhaust flow controls that project through the coverMAC VALVES INC·Filed 1982·Granted Jul 31, 1984·10 cites·7 claims
- 3044US4381797AFlow control valve with a non-rising stemMAC VALVES INC·Filed 1981·Granted May 3, 1983·8 cites·6 claims
- 3142US4770209AValve base with integral flow controlsMAC VALVES INC·Filed 1987·Granted Sep 13, 1988·9 cites·4 claims
- 3240US4491151AFour-way stacking valve with common electrical conduit and individual body mounted exhaust flow controlsMAC VALVES INC·Filed 1984·Granted Jan 1, 1985·4 cites·5 claims
- 3339US4182360APressure regulating and flow control valveMAC VALVES INC·Filed 1977·Granted Jan 8, 1980·6 cites·16 claims
- 3436US4491152AFour-way stacking valve with common electrical conduit and body mounted individual exhaust flow controls that project through the coverMAC VALVES INC·Filed 1984·Granted Jan 1, 1985·3 cites·4 claims
- 3531US4453697ARemote air operator for an air valve, with manual override and indicatorMAC VALVES INC·Filed 1982·Granted Jun 12, 1984·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →