Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11101643 | Multi-semiconductor solid state power controllers and method for managing inductive switching transients thereof | Peter James Handy, Julian Peter Mayes | 2021-08-24 | $38,548,000 |
| 10972087 | System and method for limting currents in a power distribution system | Peter James Handy | 2021-04-06 | $35,678,000 |
| 9411016 | Testing of a transient voltage protection device | — | 2016-08-09 | $34,430,000 |
| 8836338 | Switching circuits and methods of testing thereof | John Oliver Collins | 2014-09-16 | $14,655,000 |
| 8824239 | Marine seismic survey method and system | Ken Welker | 2014-09-02 | |
| 8190458 | Method of performing integrated oilfield operations | Michael Back, Daniel E. Fichter, Doug MacDonald, Roger Gallant, Dave Mason | 2012-05-29 | $51,674,000 |
| 6373185 | Gas discharge lamps with glow mode electrodes | — | 2002-04-16 | |
| 5880559 | Electrodes and lamps | Neil Anthony Fox | 1999-03-09 | |
| 5747946 | Gas discharge lamps and systems | — | 1998-05-05 |