Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9574454 | Full arc admission steam turbine | Timothy George SHURROCK | 2017-02-21 |
| 6422114 | Drive system for board cutting machine | — | 2002-07-23 |
| 6418831 | Tool holder and tab system for board cutting machine | — | 2002-07-16 |
| 6099405 | Damper blade system | — | 2000-08-08 |
| 6080921 | Blade sharping device for a lever harp | — | 2000-06-27 |
| 5938524 | Damper blade system | — | 1999-08-17 |
| 5836814 | Damper blade system | — | 1998-11-17 |
| 5755810 | Hip implant prosthesis | — | 1998-05-26 |
| 5548970 | Air handling system | Phillip R. Rutledge | 1996-08-27 |
| 5421938 | Circular duct and apparatus and method of fabrication | — | 1995-06-06 |
| 5186704 | Duct forming machine | — | 1993-02-16 |
| 4983081 | Apparatus and method for forming shiplap duct | — | 1991-01-08 |
| 4694855 | Drill pipe inside blowout preventer | — | 1987-09-22 |
| 4548431 | Tool joint with internal/external make-up shoulders | James R. Hall | 1985-10-22 |
| 4445734 | Telemetry drill pipe with pressure sensitive contacts | — | 1984-05-01 |
| 4431066 | Stressed relieved bit leg for an earth boring bit | George E. Dolezal | 1984-02-14 |
| 4391143 | Ultrasonic probe for inspecting double-wall tube | Kenneth V. Cook, Horace T. Murrin | 1983-07-05 |
| 4248314 | Shaft drill bit with overlapping cutter arrangement | Rudolph C. O. Pessier | 1981-02-03 |