Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11988172 | Ignition safety device for a multi-pulse or multi-stage rocket motor system | Shawn Coffee, Saifur Ahmed, Thomas K. Harward | 2024-05-21 |
| 8681468 | Method of controlling solenoid valve | Fares Najjar, Gerald Meyer, Richard D. Ross | 2014-03-25 |
| 7543595 | Valve calibration method and apparatus | William Glaser, Paul E. Pelczynski | 2009-06-09 |
| 6152818 | Flow control apparatus for a semiconductor manufacturing wet bench | Louis Hrkman, Jr., Michael Laport | 2000-11-28 |
| 6059260 | Fume hood exhaust terminal having an ultrasonic motor drive actuator | William H. Gorski | 2000-05-09 |
| 5882254 | Laboratory fume hood controller utilizing object detection | — | 1999-03-16 |
| 5833529 | Fume hood exhaust terminal having an electrically driven linear actuator | — | 1998-11-10 |
| 5733188 | Speed of laboratory fume hood sash opening monitor and indicator | — | 1998-03-31 |
| 5562537 | Networked fume hood monitoring system | Ronald Zver | 1996-10-08 |
| 5518446 | Fume hood exhaust terminal | — | 1996-05-21 |
| 5470275 | Method and apparatus for controlling fume hood face velocity using variable by-pass resistance | James J. Coogan, Stefan G. Petras | 1995-11-28 |
| 5439414 | Networked fume hood monitoring system | — | 1995-08-08 |
| 5347754 | Position sensing apparatus | — | 1994-09-20 |
| 5092227 | Apparatus for controlling the ventilation of laboratory fume hoods | Osman Ahmed, Steven A. Bradley, Steven L. Fritsche | 1992-03-03 |
| 5090304 | Apparatus for determining the position of a moveable structure along a track | David A. Egbers | 1992-02-25 |