Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10519725 | Hydraulic multi-displacement hoisting cylinder system | Ronald Pettapiece | 2019-12-31 |
| 10415368 | Autodrilling system for control of operation of a hydraulic drilling rig | Ronald Pettapiece | 2019-09-17 |
| 10246951 | Hydraulic multi-displacement hoisting cylinder system | Ronald Pettapiece | 2019-04-02 |
| 10138723 | Autodrilling system for control of operation of a hydraulic drilling rig | Ronald Pettapiece | 2018-11-27 |
| 9726003 | Systems and methods for automatic drilling of wellbores | Ronald Pettapiece | 2017-08-08 |
| 7284618 | Method and a device for automated control of coil pipe operations | Bob Geddes | 2007-10-23 |