Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6543481 | Pilot operated pneumatic valve | James A. Neff | 2003-04-08 |
| 6192937 | Pilot operated pneumatic valve | James A. Neff | 2001-02-27 |
| 6095184 | Pressure regulator with integrated control valve, adjustable downstream pressure build and quick exhaust | James A. Neff | 2000-08-01 |
| 5192936 | Solenoid | James A. Neff, Eric P. Janssen, Michael E. Robert | 1993-03-09 |
| 4856560 | Valve base with integral flow control valves and common exhaust passage | James A. Neff | 1989-08-15 |
| 4770210 | Valve manifold stacking base | James A. Neff | 1988-09-13 |
| 4574844 | Four-way poppet valve | James A. Neff | 1986-03-11 |
| 4267862 | Directional control valve with flow path through valve spool | James A. Neff, Walter J. Bowman | 1981-05-19 |