Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11385161 | Calibration verification for optical particle analyzers | Matt Michaelis, Brett HALEY | 2022-07-12 |
| 11181455 | Calibration verification for optical particle analyzers | Matt Michaelis, Brett HALEY | 2021-11-23 |
| 9810558 | Pressure-based airflow sensing in particle impactor systems | Cliff Ketcham, Paul B. Hartigan, Ronald W. Adkins | 2017-11-07 |
| 8800383 | Flow monitored particle sensor | — | 2014-08-12 |
| 7973929 | System and method for calibration verification of an optical particle counter | — | 2011-07-05 |
| 7667839 | Aerosol particle sensor with axial fan | — | 2010-02-23 |
| 7088447 | Particle counter with self-concealing aperture assembly | Richard O. Miller, Richard A. Alexander | 2006-08-08 |
| 6859277 | Particle counter with strip laser diode | Gregg A. Wagner | 2005-02-22 |
| 6167107 | Air pump for particle sensing using regenerative fan, and associated methods | — | 2000-12-26 |