Issued Patents All Time
Showing 25 most recent of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11378300 | Energy recovery ventilator with reduced power consumption | Dwight H. Heberer, Daniel J. Dempsey, Eric W. Adams, Kent Kuffner | 2022-07-05 |
| 10648664 | High efficiency modulating gas furnace | Shawn A. Reed, Scott Alan Willbanks, Robert Steven Neihouse, Robert Kepesky, Joey W. Huffaker +1 more | 2020-05-12 |
| 10254008 | Thermos at algorithm for fully modulating furnaces | — | 2019-04-09 |
| 10222085 | Energy recovery ventilator with reduced power consumption | Dwight H. Heberer, Daniel J. Dempsey, Eric W. Adams, Kent Kuffner | 2019-03-05 |
| 10113008 | Starch settling recovery system | Larry Ferro, Christopher Mann | 2018-10-30 |
| 10094591 | Furnace control system and method | Duane D. Garloch | 2018-10-09 |
| 9200847 | Method and system for variable speed blower control | — | 2015-12-01 |
| 8925541 | Method and system for controlling an inducer in a modulating furnace | — | 2015-01-06 |
| 8146584 | Pressure switch assembly for a furnace | — | 2012-04-03 |
| 7313589 | Network projector interface system | De Tran, Steve Murtha | 2007-12-25 |
| 7182462 | System and method for updating an image display device from a remote location | Joseph Castaldi, Robin F. Hoeye, Karla Fisher, Greg Kim, Steve Hampson +5 more | 2007-02-27 |
| 7118220 | Projector device user interface system | Joseph Castaldi, Robin F. Hoeye, Mark Edward Porter, Karla Fisher, Jennifer Jaffe +5 more | 2006-10-10 |
| 7018043 | Projector device user interface system | Joseph Castaldi, Robin F. Hoeye, Mark Edward Porter, Karla Fisher, Jennifer Jaffe +5 more | 2006-03-28 |
| 6735616 | Method and apparatus for remote projector administration and control | De Tran, Derek Jensen | 2004-05-11 |
| 6572363 | System and method for detecting flame rollout in a furnace | Hall Virgil, Jr. | 2003-06-03 |
| 6506024 | Inducer wheel and method of forming the same | Christopher M. Clay | 2003-01-14 |
| 6370894 | Method and apparatus for using single-stage thermostat to control two-stage cooling system | Paul Kiningham, Dave Tumbusch | 2002-04-16 |
| 6321744 | Modulating furnace having a low stage with an improved fuel utilization efficiency | Daniel J. Dempsey | 2001-11-27 |
| 6283115 | Modulating furnace having improved low stage characteristics | Daniel J. Dempsey | 2001-09-04 |
| 6161535 | Method and apparatus for preventing cold spot corrosion in induced-draft gas-fired furnaces | Daniel J. Dempsey | 2000-12-19 |
| 6155341 | Continuous fan adjustment method | Daniel J. Dempsey, William F. Van Ostrand | 2000-12-05 |
| 5993195 | Combustion air regulating apparatus for use with induced draft furnaces | — | 1999-11-30 |
| 5860411 | Modulating gas valve furnace control method | William J. Roy | 1999-01-19 |
| 5791332 | Variable speed inducer motor control method | Hall Virgil, Jr. | 1998-08-11 |
| 5533586 | Adjustable suspension system | — | 1996-07-09 |