| 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 |
