Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7360370 | Method of verifying proper installation of a zoned HVAC system | Christopher M. Puranen | 2008-04-22 |
| 7308384 | Ordered record of system-wide fault in an HVAC system | Chris Puranen | 2007-12-11 |
| 7266960 | Single integrated humidity and ventilation control in an HVAC system | — | 2007-09-11 |
| 7243004 | Self-configuring controls for heating, ventilating and air conditioning systems | Jerry Ryan | 2007-07-10 |
| 7216016 | Failure mode for HVAC system | William F. Van Ostrand | 2007-05-08 |
| 7212887 | Service and diagnostic tool for HVAC systems | Chris Puranen | 2007-05-01 |
| 7178350 | Determination of maximum allowable humidity in indoor space to avoid condensation inside building envelope | — | 2007-02-20 |
| 7036743 | Continuous fan control in a multi-zone HVAC system | — | 2006-05-02 |
| 7039300 | Identification of electric heater capacity | Eugene L. Mills, Jr., Jerry Ryan | 2006-05-02 |
| 7017827 | Method and system for automatically optimizing zone duct damper positions | William F. VanOstrand, Laurie L. Werbowsky | 2006-03-28 |
| 6993414 | Detection of clogged filter in an HVAC system | — | 2006-01-31 |
| 6981383 | Zone damper fault detection in an HVAC system | Christopher M. Puranen | 2006-01-03 |
| 6964174 | Method and system for determining relative duct sizes by zone in an HVAC system | — | 2005-11-15 |
| D507976 | Control device | Michael A. Roher, Chad M. Johnson, Mark James Fisher, Mark Alexander Jones, Shu Kun Chang | 2005-08-02 |
| 6907745 | Heat pump with improved performance in heating mode | Lynn A. Turner, Eugene L. Mills, Jr. | 2005-06-21 |
| 6814773 | Expandable media filter assembly | Dwight H. Heberer, Danny L. Jenkins | 2004-11-09 |
| 6678835 | State transition protocol for high availability units | Udayakumar Shanumgam, Lavanya Apsani | 2004-01-13 |
| 6652613 | Expandable media filter with flexible spacing ribbons | Dwight H. Heberer, Danny L. Jenkins | 2003-11-25 |
| 6638333 | Method and apparatus for assembling an expandable media filter with spacing ribbons | Daniel E. Schuld, Robert C. Squier, Dwight H. Heberer, Danny L. Jenkins, Robert G. Fisher | 2003-10-28 |
| 6599343 | Method and apparatus for assembling an expandable and disposable media filter | Michael Fredrick, Daniel E. Schuld, Robert C. Squier, Dwight H. Heberer, Danny L. Jenkins | 2003-07-29 |
| 6592643 | Method and apparatus for assembling an expandable media filter | Dwight H. Heberer, Danny L. Jenkins | 2003-07-15 |
| 6131402 | Apparatus and method of operating a heat pump to improve heating supply air temperature | Eugene L. Mills, Jr. | 2000-10-17 |
| 6070110 | Humidity control thermostat and method for an air conditioning system | Eugene L. Mills, Jr. | 2000-05-30 |
| 5607014 | Multi-staging of supplemental heat in climate control apparatus | William F. Van Ostrand | 1997-03-04 |
| 5592058 | Control system and methods for a multiparameter electronically commutated motor | William R. Archer, Roger Carlos Becerra, Brian L. Beifus, Mark A. Brattoli | 1997-01-07 |