Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11734727 | Digital launch platform methods and devices | Edmond DeFrank, Russell Todd Johnson, Carl Michael Arnsby, Jr. | 2023-08-22 |
| 11270352 | Launch platform methods and devices | Edmond DeFrank, Carl Michael Arnsby, Jr., Russell Todd Johnson | 2022-03-08 |
| 9942262 | Cyber-physical system defense | Barry Horowitz, Joseph Vince Pulido, Rick A. Jones, Edward C. Suhler | 2018-04-10 |
| 8640769 | Multiple control line assembly for downhole equipment | Roddie R. Smith, Robert Wojciechowski | 2014-02-04 |
| 7401788 | High pressure and temperature seal for downhole use | Edward Welch | 2008-07-22 |
| 7204313 | Equalizing flapper for high slam rate applications | Van J. McVicker, Scott C. Strattan, Jason Ives | 2007-04-17 |
| 6684958 | Flapper lock open apparatus | Grant Thompson, James T. Sloan, Brian Shaw, John L. McCoy, Jr., Barry L. Brown | 2004-02-03 |
| 6328062 | Torsion spring connections for downhole flapper | Michael S. Rawson | 2001-12-11 |
| 5543671 | Electric motor terminal board with integral switch locking means | — | 1996-08-06 |
| 5355042 | Magnetic bearings for pumps, compressors and other rotating machinery | David W. Lewis, Robert R. Humphris, Eric H. Maslen, Paul E. Allaire | 1994-10-11 |
| 5347190 | Magnetic bearing systems | David W. Lewis, Robert R. Humphris, Eric H. Maslen, Paul E. Allaire, Steven W. Yates | 1994-09-13 |
| 5343955 | Tandem wellbore safety valve apparatus and method of valving in a wellbore | — | 1994-09-06 |
| 5316084 | Well tool with sealing means | Douglas J. Murray, Robert Coon, Mark E. Hopmann, Steve Jennings, Timothy R. Tips | 1994-05-31 |
| 5285035 | Dust proof electrical switch | William D. Crow | 1994-02-08 |
| 5262692 | Variable voltage switched current control | F. Joseph Keith | 1993-11-16 |
| 5156220 | Well tool with sealing means | Richard L. Forehand, Douglas J. Murray, Mark E. Hopmann | 1992-10-20 |
| 5070265 | Compressed spacer for permanent retention of electrical motor terminals | William D. Crow | 1991-12-03 |
| 5015894 | Unit bearing leadless motor | William D. Crow | 1991-05-14 |
| 4979719 | Base clamp | Jeffrey S. Sherman | 1990-12-25 |
| 4978819 | Electric machinery switch assembly | William D. Crow | 1990-12-18 |
| 4922066 | Environmentally protected switch for dynamoelectric machines | William D. Crow | 1990-05-01 |
| 4758755 | Removable winding cover for unit bearing motor | Jeff S. Sherman | 1988-07-19 |
| 4714438 | Electric cable joints | — | 1987-12-22 |
| 4608700 | Serial multi-drop data link | James L. Kirtley, Jr., Thomas Sterling | 1986-08-26 |