Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8763362 | Injector element which maintains a constant mean spray angle and optimum pressure drop during throttling by varying the geometry of tangential inlets | Huu P. Trinh | 2014-07-01 |
| 6960175 | Orthopedic leg brace | — | 2005-11-01 |
| 5254173 | Turntable mechanism | — | 1993-10-19 |
| 4655482 | Tube coupling device | Leopold A. Hein, Birgit G. Hein, executor | 1987-04-07 |
| 4410189 | Resilient seal ring assembly with spring means applying force to wedge member | Leopold A. Hein | 1983-10-18 |
| 4309146 | Amplified wind turbine apparatus | Leopold A. Hein | 1982-01-05 |