Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876850 | Combustion engine for solid block fuel | — | 1989-10-31 |
| 4864979 | Combustion engine | — | 1989-09-12 |
| 4856732 | Airborne vehicle with hydraulic drive and control | — | 1989-08-15 |
| 4824338 | Pump arrangement which includes axially extending cylindrical ring noses on coned rings with a centering ring and seal ring radially of the face wherein two of the ring nose are oppositionally directed and laid together | — | 1989-04-25 |
| 4822255 | Pump for pressures exceeding one thousand atmospheres by the provision of a half-pressure chamber around a high pressure chamber between coned ring elements | — | 1989-04-18 |
| 4815275 | Combustion engine with exterior combustion chamber | — | 1989-03-28 |
| 4809503 | Solid fuel bar combustion device and a compressor | — | 1989-03-07 |
| 4799654 | Fluid flow facilitating arrangement which includes a coned ring | — | 1989-01-24 |