Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4910715 | Marine seismic streamer cable | — | 1990-03-20 |
| 4707787 | Beam-activated complex-solid formation utilizing pattern-independent, coordinate-sequence construction | Rhonda Boone, Mark R. Doyle | 1987-11-17 |
| 4686654 | Method for generating orthogonal sweep signals | — | 1987-08-11 |
| 4675851 | Method for seismic exploration | Mark R. Doyle | 1987-06-23 |
| 4648082 | Marine acoustic gradient sensor | — | 1987-03-03 |
| 4639729 | Telemetric system | — | 1987-01-27 |
| 4589285 | Wavelength-division-multiplexed receiver array for vertical seismic profiling | — | 1986-05-20 |
| 4589100 | Method and apparatus for positioning seismic arrays | — | 1986-05-13 |
| 4581723 | Method for maintaining a constant tension on a seismic marine cable | — | 1986-04-08 |
| 4577723 | Method for improving the efficiency of air guns | — | 1986-03-25 |
| 4547869 | Marine seismic sensor | — | 1985-10-15 |
| 4545039 | Methods for seismic exploration | — | 1985-10-01 |
| 4455500 | Sensitivity and capacitance adjustment method for piezoelectric accelerometers | Robert C. Shopland | 1984-06-19 |
| 4319347 | Seismic method and system of improved resolution and discrimination | — | 1982-03-09 |
| 4224474 | Method and apparatus for demultiplexing multiplexed seismic data | — | 1980-09-23 |
| 4182428 | Hydraulically-coupled, land seismic signal source | — | 1980-01-08 |