Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5044430 | Method and apparatus for continuously maintaining a volume of coolant within a pressurized cooling system | — | 1991-09-03 |
| 4790369 | Method and apparatus for continuously maintaining a volume of coolant within a pressurized cooling system | — | 1988-12-13 |
| 4785874 | Method and apparatus for continuously purging gaseous matter from the cooling system of an internal combustion engine | — | 1988-11-22 |
| 4753289 | Method and apparatus for continuously maintaining a volume of coolant within a pressurized cooling system | — | 1988-06-28 |
| RE32434 | Method and apparatus for automatically refilling a leaking liquid cooling system as an engine operates by utilizing a radiator and a remote coolant reservoir | — | 1987-06-09 |
| 4498599 | Closure and valving apparatus | — | 1985-02-12 |
| 4461342 | Method and apparatus for automatically refilling a leaking liquid cooling system as an engine operates by utilizing a radiator and a remote coolant reservoir | — | 1984-07-24 |
| 4459832 | Trailer hitch lock | William Neils | 1984-07-17 |
| 4230336 | Ball component for coupling apparatus | Robert N. Hansen | 1980-10-28 |
| 4196822 | Monolithic radiator cap for sealed pressurized cooling system | — | 1980-04-08 |