Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6116357 | Rock drill bit with back-reaming protection | Roger Didericksen, William M. Conn, Peter Thomas Cariveau | 2000-09-12 |
| 5868502 | Thrust disc bearings for rotary cone air bits | Peter Thomas Cariveau | 1999-02-09 |
| 5642942 | Thrust plugs for rotary cone air bits | — | 1997-07-01 |
| 5351848 | Peripheral seal device for floating tank cover | — | 1994-10-04 |
| 5036995 | Peripheral seal for floating tank cover | — | 1991-08-06 |
| 4397399 | Seal for floating roofs of storage tanks | — | 1983-08-09 |