Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9423209 | Self-guided racking assist system, tool and method for charging a handgun | — | 2016-08-23 |
| 8261568 | Condensing gas package unit with a tubular conduit for passing a condensate drain line | Allan J. Reifel, David W. Garvin | 2012-09-11 |
| 8167610 | Premix furnace and methods of mixing air and fuel and improving combustion stability | William F. Raleigh, Robert A. Borgeson, Aaron D. Herzon, Allan J. Reifel | 2012-05-01 |
| 7632067 | Blower housing and method of manufacture | — | 2009-12-15 |
| 6033454 | Air filter assembly | — | 2000-03-07 |
| 5575330 | Furnace heat exchanger seal and method of making same | — | 1996-11-19 |
| 5553553 | Furnace and method for securing a thermostat to a furnace | — | 1996-09-10 |
| 5535501 | Furnace and method for securing a thermostat to a furnace | — | 1996-07-16 |
| 5221183 | Blower housing seam and method of making same | — | 1993-06-22 |
| 5195580 | Heat exchanger seam and method of making same | — | 1993-03-23 |
| 4907420 | Dual wall evaporator pan | Herbert S. Mahanay | 1990-03-13 |
| 4893390 | Method and expander for manufacturing a furnace heat exchanger and plate assembly | — | 1990-01-16 |
| 4718484 | Heat exchanger unit | — | 1988-01-12 |
| 4663837 | Apparatus for manufacturing a furnace heat exchanger and plate assembly | John Wiese | 1987-05-12 |
| 4649894 | Heat exchanger and plate assembly and method of manufacture | — | 1987-03-17 |
| 4547943 | Method of manufacturing a heat exchanger and plate assembly | — | 1985-10-22 |
| 4538338 | Method for manufacturing a furnace heat exchanger and plate assembly | John Wiese | 1985-09-03 |
| 4510660 | Method of manufacturing a two-plate heat exchanger | — | 1985-04-16 |
| 4475585 | Air conditioning and heat pump cabinets with removable coil guards | — | 1984-10-09 |
| 4441241 | Method of manufacturing a heat exchanger unit | — | 1984-04-10 |
| 4394111 | Top cover, motor, fan and fan shroud assembly for an air conditioning unit | John Wiese | 1983-07-19 |
| 4298061 | Heat exchanger with crimped flange seam | — | 1981-11-03 |