Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6502909 | Media filter cabinet for gas furnace | Robert C. Swilik, Jr., Robert Lang, Paul M. Haydock | 2003-01-07 |
| 6497570 | Gas control assembly | Merle D. Sears, Ninev Karl Zia, William Bruce Sutherlin, Stephen L. Pulley | 2002-12-24 |
| 6494199 | Multipoise furnace cabinet | Ninev Karl Zia, Merle D. Sears, Robert C. Swilik, Jr., James K. Beerbower, Brian A. Reeves | 2002-12-17 |
| D427302 | Louver pattern for a gas furnace door | Robert C. Swilik, Jr. | 2000-06-27 |
| 5377662 | Furnace door attachment | Timothy J. Waterman, Randel K. Patterson, Allen L. Sherven | 1995-01-03 |
| 5370106 | Support for furnace heat exchanger | Scott A. Beck, Paul J. Otts, Larry D. Rieke, Robert C. Swilik, Jr. | 1994-12-06 |
| 5346002 | Cell panel with extruded burner target plates and process for making same | Robert C. Swilik, Jr., Thomas P. Bruce, Michael J. Larsen | 1994-09-13 |
| 5341796 | Turn in place mounting | Scott A. Beck, Timothy J. Waterman | 1994-08-30 |