Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5192182 | Substantially noiseless fan | — | 1993-03-09 |
| 5191247 | Substantially noiseless fan for internally cooling electric motors | — | 1993-03-02 |
| 5165846 | Substantially noiseless fan for cooling motors | — | 1992-11-24 |
| 4534699 | Coal fired turbine | — | 1985-08-13 |
| 4403911 | Bladeless pump and method of using same | — | 1983-09-13 |
| 4347032 | Method for pumping slurry and apparatus for use therewith | — | 1982-08-31 |
| 4347033 | Concrete pump and method of using same | — | 1982-08-31 |
| 4232992 | Geothermal turbine and method of using the same | — | 1980-11-11 |
| 4186554 | Power producing constant speed turbine | — | 1980-02-05 |