Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331945 | Leak sensors for a HVAC system to detect fuel leaks and methods of operation | Vijay Sathyamurthi, Joe Powell, Ajith Kumar Cherumani | 2025-06-17 |
| 11635218 | HVAC controller having multiplexed input signal detection and method of operation thereof | Sakthi Narayan Kumar Murugesan, Anitha Rajappan | 2023-04-25 |
| 11125454 | HVAC controller having multiplexed input signal detection and method of operation thereof | Sakthi Narayan Kumar Murugesan, Anitha Rajappan | 2021-09-21 |
| 10928078 | Furnace controller and a furnace that controls a gas input rate to maintain a discharge air temperature | Peter Hrejsa, Glenn W. Kowald | 2021-02-23 |
| 10802515 | Control techniques in a heating, ventilation and air conditioning network based on environmental data | Muhammad Al Mirza, Wojciech Grohman, Timothy H. Thorson, Ammar Kailani, Timothy E. Wallaert | 2020-10-13 |
| 10756663 | HVAC controller that provides multiple types of proportional motor control signals, an HVAC system that includes the same and a proportional control signal circuit | Jimmie Curry | 2020-08-25 |
| 10533766 | HVAC controller having keypad input and method of operation thereof | Sakthi Narayan Kumar Murugesan | 2020-01-14 |
| 10338545 | HVAC controller having multiplexed input signal detection and method of operation thereof | Sakthi Narayan Kumar Murugesan, Anitha Rajappan | 2019-07-02 |
| 10197304 | Tandem compressor discharge pressure and temperature control logic | Harold Gene Havard, Jr., Rosa Maria Leal, Jimmie Curry, Anuradha Sundararajan, Der-Kai Hung +1 more | 2019-02-05 |
| 9979343 | HVAC controller that provides multiple types of proportional motor control signals, an HVAC system that includes the same and a proportional control signal circuit | Jimmie Curry | 2018-05-22 |
| 9933179 | HVAC controller having keypad input and method of operation thereof | Sakthi Narayan Kumar Murugesan | 2018-04-03 |
| 9625177 | Furnace controller and a furnace that controls a gas input rate to maintain a discharge air temperature | Peter Hrejsa, Glenn W. Kowald | 2017-04-18 |
| 9599359 | Integrated controller an HVAC system | Glenn W. Kowald | 2017-03-21 |
| 9574784 | Method of starting a HVAC system having an auxiliary controller | Glenn W. Kowald | 2017-02-21 |
| 9432208 | Device abstraction system and method for a distributed architecture heating, ventilation and air conditioning system | Wojciech Grohman | 2016-08-30 |
| 9261282 | Heating system controller, a heating system and a method of operating a heating system | Pete DEN BOER, Wojciech Grohman | 2016-02-16 |
| 9152155 | Device abstraction system and method for a distributed-architecture heating, ventilation and air conditioning system | Wojciech Grohman | 2015-10-06 |
| 8994539 | Alarm and diagnostics system and method for a distributed-architecture heating, ventilation and air conditioning network | Wojciech Grohman, Amanda Filbeck, Timothy E. Wallaert, Timothy H. Thorson, Thomas Gerard Pavlak +1 more | 2015-03-31 |
| D724717 | Heating, ventillation and air conditioner control board cover | Farhad Abrishamkar, Michael Renker, Nick Chabolla, Martin Pullen, Gregory Ruhlander +2 more | 2015-03-17 |
| 8798796 | General control techniques in a heating, ventilation and air conditioning network | Wojciech Grohman, Timothy H. Thorson, Muhammad Ali Mirza, Ammar Kailani, Timothy E. Wallaert | 2014-08-05 |
| 8788104 | Heating, ventilating and air conditioning (HVAC) system with an auxiliary controller | Glenn W. Kowald | 2014-07-22 |
| 8762666 | Backup and restoration of operation control data in a heating, ventilation and air conditioning network | Wojciech Grohman | 2014-06-24 |
| 8761945 | Device commissioning in a heating, ventilation and air conditioning network | — | 2014-06-24 |
| 8694164 | Interactive user guidance interface for a heating, ventilation and air conditioning system | Wojciech Grohman | 2014-04-08 |
| 8655491 | Alarm and diagnostics system and method for a distributed architecture heating, ventilation and air conditioning network | Timothy E. Wallaert, Joe Powell | 2014-02-18 |