Issued Patents All Time
Showing 25 most recent of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12190755 | Visual display system | — | 2025-01-07 |
| 11017697 | Visual display device with bead transport control | — | 2021-05-25 |
| 9998133 | Digital-to-analog converter waveform generator | David Hamilton, Tom Clayton, Ian Stevenson | 2018-06-12 |
| 9964470 | Methods and apparatus for indoor air contaminant monitoring | — | 2018-05-08 |
| 9705523 | Built in self-test | David Hamilton, Tom Clayton, Ian Stevenson | 2017-07-11 |
| 9246503 | Built in self-test | David Hamilton, Tom Clayton, Ian Stevenson | 2016-01-26 |
| 9109981 | Methods and apparatus for indoor air contaminant monitoring | — | 2015-08-18 |
| 9106247 | ADC testing | David Hamilton | 2015-08-11 |
| 8682613 | ADC testing | David Hamilton | 2014-03-25 |
| 8147302 | Multipoint air sampling system having common sensors to provide blended air quality parameter information for monitoring and building control | Eric Desrochers | 2012-04-03 |
| 7421911 | Duct probe assembly system for multipoint air sampling | Eric Desrochers | 2008-09-09 |
| 7415901 | Duct probe assembly system for multipoint air sampling | Eric Desrochers | 2008-08-26 |
| 7389704 | Tubing for transporting air samples in an air monitoring system | Eric Desrochers, Michael G. Gardell, David L. Farrington, Richard E. Reiter | 2008-06-24 |
| 7389158 | Method of making comparisons of indoor air quality scores | Eric Desrochers | 2008-06-17 |
| 7360461 | Air monitoring system having tubing with an electrically conductive inner surface for transporting air samples | Eric Desrochers, David L. Farrington, Martin D. Flansbury | 2008-04-22 |
| 7302313 | Air quality monitoring systems and methods | Jeffrey Schwartz, David J. Buzzeo, Eric Desrochers, David L. Farrington | 2007-11-27 |
| 7216556 | Tubing for transporting air samples in an air monitoring system | Eric Desrochers, Michael G. Gardell, David L. Farrington, Richard E. Reiter | 2007-05-15 |
| 6790136 | Methods and apparatus for recirculating air in a controlled ventilated environment | Eric Desrochers | 2004-09-14 |
| 6609967 | Methods and apparatus for recirculating air in a controlled ventilated environment | Eric Desrochers | 2003-08-26 |
| 6457437 | Constant volume air flow rate control for animal cage rack ventilation system | Daniel P. Frasier, Steve Tassini | 2002-10-01 |
| 6425297 | Networked air measurement system | — | 2002-07-30 |
| 6252689 | Networked photonic signal distribution system | — | 2001-06-26 |
| 6125710 | Networked air measurement system | — | 2000-10-03 |
| 6116375 | Acoustic resonator | Frederick Lorch, George Succi | 2000-09-12 |
| 5545086 | Air flow control for pressurized room facility | Jerome Dean, Eric Desrochers | 1996-08-13 |