Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8079508 | Spaced plate heat exchanger | — | 2011-12-20 |
| 5341832 | Device and method for the combustion of waste oil | — | 1994-08-30 |
| 5149260 | Device and method for combustion of waste oil | — | 1992-09-22 |
| 4478277 | Heat exchanger having uniform surface temperature and improved structural strength | Irwin Friedman, Alan G. Butt | 1984-10-23 |
| 4276927 | Plate type heat exchanger | — | 1981-07-07 |