Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5839272 | Dual concentric poppet valves for maintaining substantially constant the ratio of two fluid flows over an operating range of valve opening | — | 1998-11-24 |
| 5785300 | Device for providing a uniformly-variable annular orifice | James F. van Oss | 1998-07-28 |
| 5711348 | Hot gas control valve | Douglas H. Morash | 1998-01-27 |
| 5222873 | Fluid-driven reciprocating apparatus and valving for controlling same | John C. Whitehead | 1993-06-29 |
| 5110047 | Vane-type nozzle(s) for varying the magnitude and direction of a thrust vector, and methods of operating same | — | 1992-05-05 |
| 4796664 | Two-axis force motor | — | 1989-01-10 |