Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4665765 | Anti-friction worm gear speed reducer and needle screw | — | 1987-05-19 |
| 4660431 | Rotary motion linear actuator | — | 1987-04-28 |
| 4661031 | Fatigue resistant fastener assembly | — | 1987-04-28 |
| 4641864 | Wear resistant pipe bend for slurry transport | Peter M. Riede | 1987-02-10 |
| 4565210 | Throttling and shut-off valve for slurry pipelines and the like | Peter M. Riede | 1986-01-21 |
| 4508395 | High capacity linear rotary bearing | — | 1985-04-02 |
| 4493222 | Gearless speed and torque converter | — | 1985-01-15 |
| 4463992 | High capacity needle bearing for linear motion on a shaft | — | 1984-08-07 |
| 4285239 | Apparatus for measuring varying density of a slurry flowing in a pipeline | Peter M. Riede | 1981-08-25 |