Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9021855 | Torsional flow sensor | — | 2015-05-05 |
| 8844363 | Pressure isolated fiber optic torque sensor | — | 2014-09-30 |
| 8356509 | Differential torque densitometer | — | 2013-01-22 |
| 8353215 | Torque output differential pressure sensor | — | 2013-01-15 |
| 8181537 | Linearized torque flow sensor | — | 2012-05-22 |
| 8181539 | Pressure isolated strain gauge torque sensor | — | 2012-05-22 |
| 6459383 | Downhole inductively coupled digital electronic system | — | 2002-10-01 |
| 6422312 | Multizone production monitoring system | James Reaux, Arthur J. Morris, Ronald E. Pringle | 2002-07-23 |
| 6329648 | Phase locked loop fiber optic sensor system | — | 2001-12-11 |
| 5974894 | Fused silica high pressure sensor | — | 1999-11-02 |
| 5749417 | Production log | — | 1998-05-12 |
| 5554804 | High temperature pressure monitoring system | Ren e Pingenot | 1996-09-10 |
| 5463903 | Torque flowmeter | — | 1995-11-07 |
| 5457988 | Side pocket mandrel pressure measuring system | — | 1995-10-17 |
| 5455573 | Inductive coupler for well tools | — | 1995-10-03 |
| 5448477 | Systems for input and output of data to a well tool | Rene Pingenot | 1995-09-05 |
| 5431065 | Multiple capacitor transducer | — | 1995-07-11 |
| 5388462 | Capacitance pressure transducer | — | 1995-02-14 |
| 5363703 | Dual transducer | — | 1994-11-15 |
| 5320169 | Gauge carrier | — | 1994-06-14 |
| 5230250 | Capacitor and pressure transducer | — | 1993-07-27 |
| 5207767 | Capacitor and pressure transducer | — | 1993-05-04 |
| 5168419 | Capacitor and pressure transducer | — | 1992-12-01 |
| 5142913 | Non-quartz resonating transducer | — | 1992-09-01 |
| 5095763 | Load-sensitive resonator beam transducer | — | 1992-03-17 |