Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5074114 | Congeneration system with a Stirling engine | Roelf J. Meijer, Ernst J. Meijer | 1991-12-24 |
| 4996841 | Stirling cycle heat pump for heating and/or cooling systems | Roelf J. Meijer, Kaveh Khalili, Ernst J. Meijer | 1991-03-05 |
| 4911144 | Spherical solar energy collector | Roelf J. Meijer | 1990-03-27 |
| 4579046 | Yieldably mounted lubricant control assemblies for piston rods | Roelf J. Meijer, Benjamin Ziph | 1986-04-01 |
| 4532855 | Two-part drive shaft for thermal engine | Roelf J. Meijer, Benjamine Ziph | 1985-08-06 |