Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6279682 | Speed responsive coupling device especially for fall arrest apparatus | — | 2001-08-28 |
| 5722612 | Clutch mechanism for use in safety apparatus | — | 1998-03-03 |
| 5447280 | Fall-arrest safety anchorages | — | 1995-09-05 |
| 5351906 | Safety anchorages for controlling pay-out of a safety line | — | 1994-10-04 |
| 5343975 | Personnel fall-arrest systems | David Riches | 1994-09-06 |
| 5287950 | Fall-arrest apparatus with constant winch braking | Gerald P. Murphy, Ian Hartley | 1994-02-22 |
| 5279385 | Fall-arrest apparatus | David Riches | 1994-01-18 |
| 5224427 | Fall-arrest systems with yielding mounting bracket for inspection purposes | David Riches | 1993-07-06 |
| 4667670 | Gas flow control valves | — | 1987-05-26 |
| 4378795 | Fluid connector assembly | Peter M. Ely | 1983-04-05 |
| 4377163 | Breathing apparatus | — | 1983-03-22 |
| 4337766 | Valves | — | 1982-07-06 |
| 4327851 | Back-carrying harness assemblies | — | 1982-05-04 |