Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10914228 | Waste heat recovery with active coolant pressure control system | Timothy C. Ernst, James A. Zigan | 2021-02-09 |
| 4491248 | Free piston volumetric measuring device and method for measuring wherein the piston has a specific gravity approximately matched to the liquid being dispensed | — | 1985-01-01 |