Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10309577 | Switch arm for piggable pipeline connector | — | 2019-06-04 |
| 9471086 | Safety features for switch handle for piggable pipeline connector | — | 2016-10-18 |
| 8974147 | Slot form for pipeline buoyancy control | — | 2015-03-10 |
| 8975579 | Mass spectrometry apparatus and methods | David Bream, Christopher Newman | 2015-03-10 |
| 8864414 | Slot form for pipeline buoyancy control | — | 2014-10-21 |
| 8692188 | Mass spectrometers and methods of ion separation and detection | — | 2014-04-08 |
| 7247847 | Mass spectrometers and methods of ion separation and detection | Donald C. Young | 2007-07-24 |
| 5273611 | Apparatus for applying a continuous film to a pipeline | Donald Hoff, John Hoff | 1993-12-28 |
| 5113544 | Pipeline pig | — | 1992-05-19 |
| 5004700 | Humidity sensor | Derek G. Pedley, Stephen J. Prosser, Masaya Hijikigawa, Hisatoshi Furubayashi | 1991-04-02 |
| 4931851 | Gas sensitive device | Alastair Sibbald, Ian Robins, John F. Ross, Edward C. Bell | 1990-06-05 |
| 4879904 | Ionic conductivity accelerometer | John E. A. Shaw | 1989-11-14 |
| 4756129 | Ground anchor and apparatus to set and remove same | — | 1988-07-12 |
| 4653245 | Ground anchor and apparatus to set and remove same | — | 1987-03-31 |
| 4650561 | Gas sensor | Ian Robins, John F. Ross | 1987-03-17 |
| 4492493 | Pipeline anchor hook | — | 1985-01-08 |