Patents per Year
Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 10233726 | Pressure differential device with constant pressure drop | Zhi Yong He, Madhawa Ratnayake, Kun-I Yuan, Carlos P. Izaguirre, Darrin L. Willauer | 2019-03-19 | $9,358,000 |
| 10125575 | Alignment apparatus for a sliding sleeve subterranean tool | Michael S. Manera, Marc Samuelson | 2018-11-13 | $4,123,000 |
| 10007016 | Downhole closed-loop magnetostrictive sensing element for downhole applications | Akinjide Akinyode, Joe Freeman | 2018-06-26 | $12,946,000 |
| 9388664 | Hydraulic system and method of actuating a plurality of tools | Robert Scott Rees | 2016-07-12 | $19,964,000 |
| 5471561 | Automated storage library with rotatable arm and oblique angle effectors | Richard B. Cowgill | 1995-11-28 | $7,904,000 |
| 5363258 | Robotic manipulator with ejector tab | Richard Coles | 1994-11-08 | $11,730,000 |
| 5358325 | Robotic system | — | 1994-10-25 | $17,274,000 |
| 4902258 | Robotic assembly system | John Dunsmore | 1990-02-20 | $13,849,000 |