Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5775199 | Rotary valve and directional valve combination | — | 1998-07-07 |
| 5767459 | Muffler for pneumatic devices | — | 1998-06-16 |
| 5676380 | Venting piston ring | — | 1997-10-14 |
| 5655794 | Pneumatic connector | — | 1997-08-12 |
| 5653420 | Locking control valve handle | — | 1997-08-05 |
| 5638738 | Air motor piston to crank linkage | — | 1997-06-17 |
| 5615704 | Push Button Pendant for a hoist or winch | — | 1997-04-01 |
| 5609229 | Actuator arrangement for a band brake | — | 1997-03-11 |
| 5601116 | Air winch control valve | — | 1997-02-11 |
| D375504 | Air motor dual piston design | — | 1996-11-12 |
| 5558125 | Air winch control valve | — | 1996-09-24 |
| 5472172 | Lever stop for a lever operated hoist | — | 1995-12-05 |
| 5465939 | Directional control assembly for an air winch | — | 1995-11-14 |
| 5364073 | Free-chain device for a lever hoist | — | 1994-11-15 |
| 5335895 | Sensing rope guide for a hoist drum | — | 1994-08-09 |
| 5329829 | Indicating positive positioning selector knob lock | — | 1994-07-19 |
| 5329827 | Function selector knob lock | — | 1994-07-19 |
| D347920 | Free-chain indicator knob for a lever hoist | — | 1994-06-14 |
| 4759745 | Remote lubrication system for hydrostatic drive | — | 1988-07-26 |
| 4453430 | Multiple-speed winch or drum drive | — | 1984-06-12 |
| 4315156 | X-ray apparatus | — | 1982-02-09 |