Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5579993 | HVAC distribution system identification | John William Mitchell, Sanford A. Klein | 1996-12-03 |
| 5573181 | Global control of HVAC distribution system | — | 1996-11-12 |
| 5540619 | Control of prime mover in HVAC distribution system | — | 1996-07-30 |
| 5170673 | Method and apparatus for determining the uncovered size of an opening adapted to be covered by multiple moveable doors | Steven A. Bradley, Steven L. Fritsche | 1992-12-15 |
| 5115728 | System for controlling the differential pressure of a room having laboratory fume hoods | Steven A. Bradley | 1992-05-26 |
| 5092227 | Apparatus for controlling the ventilation of laboratory fume hoods | Steven A. Bradley, Steven L. Fritsche, Steven D. Jacob | 1992-03-03 |
| 5090303 | Laboratory fume hood control apparatus having improved safety considerations | — | 1992-02-25 |