Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5792967 | Pumping unit with speed transducer | George R. Steber, Douglas P. Miller | 1998-08-11 |
| 5668328 | Method and apparatus for hydraulically tightening threaded fasteners | George R. Steber, Douglas P. Miller | 1997-09-16 |
| 5630440 | Piezo composite sheet actuated valve | George R. Steber | 1997-05-20 |
| 5593134 | Magnetically assisted piezo-electric valve actuator | George R. Steber | 1997-01-14 |
| 5011113 | Fluid control valve | Thomas J. Stobbs, Kishor J. Patel, Frank M. Fritz, James P. Janecke | 1991-04-30 |
| 5005803 | High response, compact solenoid two-way valve | Frank M. Fritz, James P. Janecke | 1991-04-09 |
| 4946009 | Electromagnetic valve utilizing a permanent magnet | — | 1990-08-07 |
| 4538644 | Pressure regulator | Frank M. Fritz | 1985-09-03 |
| 4290447 | Electrohydraulic proportional valve | — | 1981-09-22 |