Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9068642 | Shifter assembly with decoupling mechanism | Jeremy Gill, Sai Her | 2015-06-30 |
| 6808385 | Furnace sound shield | Duane D. Garloch | 2004-10-26 |
| 6390806 | Pneumatic system for flame rollout and draft safeguard protection | Daniel J. Dempsey, Ninev Karl Zia | 2002-05-21 |
| 6021775 | Mobile home furnace | Daniel J. Dempsey, Merle D. Sears, Scott A. Beck, Larry D. Rieke | 2000-02-08 |
| 5971292 | Method of venting a furnace | William J. Roy, Ninev Karl Zia | 1999-10-26 |
| 5582159 | Condensate handlers for multi-poise furnace | Eric A. Harvey, Larry D. Rieke | 1996-12-10 |
| 5547232 | Reusable sealed coupling for two pipes | — | 1996-08-20 |
| 5443364 | Snap-fit inducer housing and cover for gas furnace | Mayank Mistry, Michael J. Larsen | 1995-08-22 |
| 5439050 | Multi-poised condensing furnace | Larry D. Rieke, Delbert G. Keys | 1995-08-08 |
| 5379751 | Inducer collector box seal for induction condenser furnace | Michael J. Larsen, Larry D. Rieke | 1995-01-10 |
| 5377662 | Furnace door attachment | Rex R. Mills, Randel K. Patterson, Allen L. Sherven | 1995-01-03 |
| 5370175 | Means for sealing outlet of condensing heat exchanger | Michael J. Larsen, Scott A. Beck | 1994-12-06 |
| 5346001 | Primary heat exchanger having improved heat transfer and condensate drainage | Larry D. Rieke | 1994-09-13 |
| 5341795 | Inducer for condensing furnace | Rudy S. Chou, Michael J. Larsen, Rengasamy Ramshankar, Larry D. Rieke | 1994-08-30 |
| 5341796 | Turn in place mounting | Scott A. Beck, Rex R. Mills | 1994-08-30 |
| 5334231 | Paired retaining clips for gas furnace filter wire | Paul J. Otts | 1994-08-02 |
| 5313930 | Air intake for furnace | Matthew Kujawa | 1994-05-24 |
| 5275530 | Condensate seal for induced draft motor | Matthew Kujawa | 1994-01-04 |
| 4899726 | Furnace inducer outlet elbow | — | 1990-02-13 |