Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12129034 | Cabin pressure control system with selection of rate of change | Gerard McCoy, Darrell Horner | 2024-10-29 |
| 11603206 | Cabin pressure control system with all-electric OFV, using dis-similar manual control that performs cabin altitude hold function | Darrell Horner, Robert William Olson, Gerard McCoy | 2023-03-14 |
| 11585447 | Seal with retaining profile | Andy Paul Todd, Sythonh Sysavath, Jon David Hurst | 2023-02-21 |
| 11137077 | Low friction valve stem | — | 2021-10-05 |
| 11047488 | Seal with retaining profile | Andy Paul Todd, Sythonh Sysavath, Jon David Hurst | 2021-06-29 |
| 10815737 | Tool joint clamp | Andy Paul Todd | 2020-10-27 |
| 10502022 | Flowhead assembly | Andy Paul Todd | 2019-12-10 |
| 9551425 | Valve with stop mechanism | — | 2017-01-24 |
| 9488033 | Valve with stop mechanism | — | 2016-11-08 |
| 8998173 | Valve apparatus and method | — | 2015-04-07 |
| 8215196 | Tong gear shift system | Mark F. Gravouia | 2012-07-10 |
| 7264177 | Methods, systems and apparatuses for automated irrigation and chemical treatment | Thomas Daniel Storey, Richard Buck | 2007-09-04 |
| 7204173 | Rotatable die tong jaw | — | 2007-04-17 |
| 6640939 | Snubbing unit with improved slip assembly | — | 2003-11-04 |
| 6631792 | Low friction slip assembly | — | 2003-10-14 |
| 6619160 | Sliding jaw adaptor for pivoting jaw power tong | Daniel S. Bangert | 2003-09-16 |
| 6420938 | Software controlled crystal oscillator | Lawrence Hoff | 2002-07-16 |
| 6386284 | Snubbing unit drilling system | Daniel S. Bangert | 2002-05-14 |
| 6318199 | Load equalizing power tong gear train | — | 2001-11-20 |
| 6318214 | Power tong positioning apparatus | — | 2001-11-20 |
| 6253643 | Jaw assembly | — | 2001-07-03 |
| 6142041 | Power tong support assembly | — | 2000-11-07 |
| 6050156 | Braking mechanism for power tongs | — | 2000-04-18 |
| 5911796 | Jaw assembly | — | 1999-06-15 |
| 5904075 | Interlocking jaw power tongs | — | 1999-05-18 |