Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4608675 | Land seismic source method and apparatus | — | 1986-08-26 |
| 4599712 | Modular airgun array method, apparatus and system | — | 1986-07-08 |
| 4596231 | Self-cleaning, high heat exchange wood or coal stove | — | 1986-06-24 |
| 4383582 | Bouncer type pile driver | — | 1983-05-17 |
| 4377355 | Quiet bouncer driver thruster method with pressurized air chamber encircling massive bouncing piston | — | 1983-03-22 |
| 4316521 | Pivoted elevator mounting for mobile land seismic energy source | — | 1982-02-23 |
| 4271924 | Airgun apparatus providing high strength and high pressure capabilities | — | 1981-06-09 |
| 4240518 | Method and apparatus for monitoring and controlling a multiplicity of air guns for seismic surveying | — | 1980-12-23 |
| 4234052 | Method and apparatus for generating seismic impulses using high pressure water pump as the energizing source | — | 1980-11-18 |
| 4210222 | Air gun monitoring method and apparatus | Paul Chelminski | 1980-07-01 |