Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8807112 | Rolling thrust bearing constructions | James U. Lemke, Patrick R. Lee, Bryant A. Wagner | 2014-08-19 |
| 8286596 | Two-cycle, opposed-piston internal combustion engine | James U. Lemke, Michael H. Wahl, Patrick R. Lee | 2012-10-16 |
| 8281755 | Internal combustion engine with provision for lubricating pistons | James U. Lemke | 2012-10-09 |
| 8087389 | Two-cycle, opposed-piston internal combustion engine | James U. Lemke, Michael H. Wahl, Patrick R. Lee | 2012-01-03 |
| 7931005 | Generating electricity with a hypocyloidally driven, opposed piston, internal combustion engine | James U. Lemke | 2011-04-26 |
| 7784436 | Two-cycle, opposed-piston internal combustion engine | James U. Lemke | 2010-08-31 |
| 7640910 | Opposed piston internal-combustion engine with hypocycloidal drive and generator apparatus | James U. Lemke | 2010-01-05 |
| 7549401 | Two-cycle, opposed-piston internal combustion engine | James U. Lemke, Michael H. Wahl, Patrick R. Lee | 2009-06-23 |
| 7546819 | Two-stroke, opposed-piston internal combustion engine | James U. Lemke | 2009-06-16 |
| 7156056 | Two-cycle, opposed-piston internal combustion engine | James U. Lemke | 2007-01-02 |
| 5317463 | Information recording apparatus with a liquid bearing | James U. Lemke, William W. French | 1994-05-31 |
| 5193046 | Information recording apparatus with a liquid bearing | James U. Lemke, William W. French | 1993-03-09 |