Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970710 | Carbon baking heat recovery ring furnace | Mike McGee, Tom Haines, Steve Hillock | 2018-05-15 |
| 9194628 | Carbon baking oxygen preheat and heat recovery firing system | Mike McGee, Tom Haines, Steve Hilock | 2015-11-24 |
| 9096992 | Dipper door assembly | Carl D. Gilmore, Richard Hoppens, Jeffrey Klingel, Douglas Maki, Zoran Marjanovic | 2015-08-04 |
| 8997382 | Dipper door assembly | Carl D. Gilmore, Jeffrey Klingel, Zoran Marjanovic, Richard Hoppens, Jamie K. Sherwood +2 more | 2015-04-07 |
| 8991080 | Dipper door assembly | Carl D. Gilmore, Jeffrey Klingel, Douglas Maki, Russell J. Willmann | 2015-03-31 |
| 6381978 | Base pan assembly for air conditioner | Stephen L. Moretti | 2002-05-07 |
| 6085539 | Condensate disposal system for an air cooled air conditioning unit with a propeller fan | — | 2000-07-11 |
| 5653120 | Heat pump with liquid refrigerant reservoir | — | 1997-08-05 |