Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7290626 | Transmission sleeve | Christopher John Terlet, Fredric Graham Moir, Anthony Joseph Alexander DeBarro | 2007-11-06 |
| D412447 | Sample tube for a percussive hammer | John Urquhart Dewar | 1999-08-03 |
| 5803188 | Hydraulically driven percussion hammer | — | 1998-09-08 |
| 5542484 | Liquid reciprocating piston hammer drilling arrangement without cavitation | — | 1996-08-06 |
| 4621497 | Heat engine | — | 1986-11-11 |
| 4493310 | Heat exchanger | — | 1985-01-15 |
| 4431131 | Heating arrangements and control systems therefor | — | 1984-02-14 |
| D270858 | Heater | — | 1983-10-04 |