Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6594554 | Apparatus and method for intelligent control of the fan speed of air-cooled condensers | Jonathan D. West, Willem Huisman | 2003-07-15 |
| 6477439 | Method of programming and executing object-oriented state machine logic in a controller | Alex Bernaden, III, Gaylon M. Decious, Kirk H. Drees, Jonathan D. West, William R. Kuckuk | 2002-11-05 |
| 6415617 | Model based economizer control of an air handling unit | — | 2002-07-09 |
| 6408228 | Hybrid finite state machine environmental system controller | Gaylon M. Decious, Carol Lomonaco, Alex Bernaden, III | 2002-06-18 |
| 6389331 | Technique for monitoring performance of a facility management system | Howard A. Jensen | 2002-05-14 |
| 6369716 | System and method for controlling air quality in a room | Mustafa Abbas, Bernard P. Clement | 2002-04-09 |
| 6296193 | Controller for operating a dual duct variable air volume terminal unit of an environmental control system | Jonathan D. West | 2001-10-02 |
| 6223544 | Integrated control and fault detection of HVAC equipment | — | 2001-05-01 |
| 6219590 | State machine controller for operating variable air volume terminal units of an environmental control system | Alex Bernaden, III, Gaylon M. Decious, Kirk H. Drees, Jonathan D. West, William R. Kuckuk | 2001-04-17 |
| 6122605 | Apparatus and method for filtering a digital signal | Kirk H. Drees, Nebil Ben-Aissa | 2000-09-19 |
| 6006142 | Environmental control system and method | Gaylon M. Decious, Carol Lomonaco, Alex Bernaden, III | 1999-12-21 |
| 5867384 | Feedback controller | Kirk H. Drees, Nebil Ben-Aissa | 1999-02-02 |
| 5791408 | Air handling unit including control system that prevents outside air from entering the unit through an exhaust air damper | — | 1998-08-11 |
| 5682329 | On-line monitoring of controllers in an environment control network | Howard A. Jensen, Richard H. Monroe | 1997-10-28 |
| 5568377 | Fast automatic tuning of a feedback controller | Gaylon M. Decious | 1996-10-22 |
| 5555195 | Controller for use in an environment control network capable of storing diagnostic information | Howard A. Jensen | 1996-09-10 |
| 5506768 | Pattern recognition adaptive controller and method used in HVAC control | Howard J. Haugstad | 1996-04-09 |
| 5414640 | Method and apparatus for adaptive demand limiting electric consumption through load shedding | — | 1995-05-09 |
| 5355305 | Pattern recognition adaptive controller | Howard J. Haugstad | 1994-10-11 |