Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6853604 | Solid marine seismic cable | James Spackman, Mike Maples, Gary Craig, John Luscombe | 2005-02-08 |
| 6256588 | Seismic sensor array with electrical to optical transformers | John L. Maida, John Luscombe, Gary Craig | 2001-07-03 |
| 6188645 | Seismic sensor array with electrical-to optical transformers | John L. Maida, John Luscombe, Gary Craig | 2001-02-13 |
| 6188646 | Hydrophone carrier | John Luscombe, Jim Spackman, David S. Lamance, Michael Maples, Gary Craig | 2001-02-13 |
| 6161433 | Fiber optic geophone | — | 2000-12-19 |
| 6160762 | Optical sensor | John Luscombe, Gary Craig, John L. Maida, Malcolm Paul Varnham, Ed Kluth | 2000-12-12 |
| 6151277 | Hydrophone with ferroelectric sensor | Gary Craig | 2000-11-21 |
| 6128251 | Solid marine seismic cable | Gary Craig, Michael Maples, John Luscombe | 2000-10-03 |
| 6088299 | Vertical hydrophone array | Phillip Bull | 2000-07-11 |
| 6049511 | High sensitivity fiber optic hydrophone | — | 2000-04-11 |
| 6031789 | Magnetic drive subassembly in a depth control device | Keith Broussard, Alan Sprain | 2000-02-29 |
| 5815466 | Hydrophone structure with reverse bend of piezoelectric element | — | 1998-09-29 |
| 5726396 | Folded acoustical horn | — | 1998-03-10 |
| 5677894 | Hydrophone structure with center pin | — | 1997-10-14 |
| 5675556 | Hydrophone structure and method | Gary Craig | 1997-10-07 |
| 5663931 | Segmentation and polarization in a hydrophone crystal | — | 1997-09-02 |
| 5541894 | Low distortion hydrophone | — | 1996-07-30 |
| 5086473 | Feedback system for a sub-woofer loudspeaker | — | 1992-02-04 |
| 4860755 | Differential pressure applanation tonometer | — | 1989-08-29 |
| 4694174 | Infrared gas detector | — | 1987-09-15 |