Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699759 | Free-flow buoyancy check valve for controlling flow of temperature control fluid from an overflow bottle | — | 1997-12-23 |
| 5669335 | System for controlling the state of a flow control valve | — | 1997-09-23 |
| 5657722 | System for maintaining engine oil at a desired temperature | — | 1997-08-19 |
| 5655506 | System for preheating intake air for an internal combustion engine | — | 1997-08-12 |
| 5638775 | System for actuating flow control valves in a temperature control system | — | 1997-06-17 |