Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10066597 | Multiple-blade wind machine with shrouded rotors | Peter E. Jenkins | 2018-09-04 |
| 10030628 | Horizontal axis wind machine with multiple rotors | — | 2018-07-24 |
| 5366342 | Water pumping push-pull windmill | — | 1994-11-22 |
| D279293 | Windmill | — | 1985-06-18 |
| 4507060 | Push-pull windmill head having double beam pumping jack | — | 1985-03-26 |
| 4427342 | Straight line drive mechanism drivable by wind or other power source | Louis J. Grunwald | 1984-01-24 |
| D269091 | Windmill head | — | 1983-05-24 |
| 4211126 | Wind machine system for pushing and lifting loads and having improved counterbalancing | — | 1980-07-08 |