Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6369094 | Polymorphic salt | Simon Arnold Howard-Field, Ronald James Ogilvie | 2002-04-09 |
| 4687420 | Sonic pressure wave pump with liquid heating and elevating mechanism | — | 1987-08-18 |
| 4492528 | Pressure balanced liquid elevating mechanism | — | 1985-01-08 |
| 4460320 | Sonic pressure wave surface operated pump with extensible pumping assembly | — | 1984-07-17 |
| 4449892 | Pump with rotary sonic pressure wave generator | — | 1984-05-22 |
| 4418663 | Rotary engine | — | 1983-12-06 |
| 4398870 | Variable volume sonic pressure wave surface operated pump | — | 1983-08-16 |
| 4381177 | Sonic pressure wave surface operated pump | — | 1983-04-26 |
| 4341505 | Sonic pressure wave pump for low production wells | — | 1982-07-27 |
| 4295799 | Sonic pressure wave surface operated pump | — | 1981-10-20 |
| 4285422 | Centrifugally operated clutch and variable ratio torque multiplier | — | 1981-08-25 |