Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7416406 | Furnace framework system with expansion joint | — | 2008-08-26 |
| 5724829 | Chiller heating assembly | Gary Schubach | 1998-03-10 |
| 5240405 | Waste oil heater system | Gary Schubach | 1993-08-31 |
| 4877395 | System control means to preheat waste oil for combustion | Gary Schubach | 1989-10-31 |
| 4797089 | System control means to preheat waste oil for combustion | Gary Schubach | 1989-01-10 |