Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12133602 | Folding food tray with neck strap | — | 2024-11-05 |
| 11149506 | System for controlling wellbore pressure during pump shutdowns | Danny Spencer, John McHardy, Scott Charles | 2021-10-19 |
| 7360611 | Flow system for a hydraulic choke solids strainer | Donald Sims, Michael J. Taylor, Robert Schmidt, David Schmidt | 2008-04-22 |
| 7275606 | Solids strainer system for a hydraulic choke | Donald Sims, Michael James Sims, Robert Schmidt, David Schmidt | 2007-10-02 |
| 7231932 | Apparatus and methods for servicing a hydraulic choke | Robert Schmidt, David Schmidt | 2007-06-19 |
| 7159604 | Manipulator system for servicing a hydraulic choke | David Schmidt, Robert Schmidt | 2007-01-09 |
| 7124770 | Shear mechanism for backpressure relief in a choke valve | Robert Schmidt, David Schmidt | 2006-10-24 |
| 6980485 | Automatic camera tracking using beamforming | — | 2005-12-27 |
| 6883614 | Modular actuator system for valves and chokes | David Schmidt, Thomas E. Neal, Gary L. Horn | 2005-04-26 |
| 4185856 | Pipe joint with remotely operable latch | — | 1980-01-29 |