Issued Patents 1982
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363063 | Load break switch with built-in ground fault sensing | — | 1982-12-07 |
| 4346256 | Conduit in supplying electrical power and pressurized fluid to a point in a subterranean well | Martin G. Hubbard | 1982-08-24 |
| 4333748 | Rotary gas/liquid separator | — | 1982-06-08 |
| 4332521 | High speed jet rotating casing apparatus | — | 1982-06-01 |
| 4322199 | High specific speed rotary chamber pump | — | 1982-03-30 |
| 4310288 | Method and apparatus for improving erosion resistance of the mixing chamber of a jet pump | — | 1982-01-12 |