Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8655624 | System and method for objective self-diagnosis of measurement device calibration condition | Martin Girard | 2014-02-18 |
| 8469047 | System to control pressure in a test device | Robert B. Haines, Thomas A. Lohkamp | 2013-06-25 |
| 7958768 | System to control pressure in a test device | Robert B. Haines, Thomas A. Lohkamp | 2011-06-14 |
| 6732596 | Critical gas flow measurement apparatus and method | — | 2004-05-11 |
| 6701791 | Modular piston gauge method and apparatus | — | 2004-03-09 |
| 5445035 | Precision gas mass flow measurement apparatus and method maintaining constant fluid temperature in thin elongated flow path | — | 1995-08-29 |
| 5331838 | Dead weight piston drive and control system | — | 1994-07-26 |
| 5257640 | Fine pressure control system for high pressure gas | — | 1993-11-02 |
| 5142483 | Pressure regulating system for positive shut-off pressure controller | D. Scott Basham, Martin Girard | 1992-08-25 |
| 4669317 | Devices for the very accurate measurement of fluid pressures | — | 1987-06-02 |
| 4413526 | Device for accurately measuring fluid pressure with display of the measured pressure | — | 1983-11-08 |