Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11300487 | System and method for controlling the flow rate of dilution air through a porous wall in an exhaust sampling system | Benjamin C. Shade, Jonathan Bushkuhl | 2022-04-12 |
| 11143644 | System and method for determining a contamination level in an emissions measurement device or system | Benjamin C. Shade | 2021-10-12 |
| 11131605 | System and method for collecting exhaust samples for an emissions test system | — | 2021-09-28 |
| 10921220 | Intelligent bag filling for exhaust sampling system | William Martin Silvis | 2021-02-16 |
| 10724924 | System and method for determining whether an engine is on or off based on a pressure of exhaust gas produced by the engine | William Martin Silvis | 2020-07-28 |
| 10422726 | Intelligent bag filling for exhaust sampling system | William Martin Silvis | 2019-09-24 |
| 10151670 | CVS system sample water vapor management | William Martin Silvis | 2018-12-11 |
| 9518897 | Intelligent bag filling for exhaust sampling system | William Martin Silvis | 2016-12-13 |
| 9297726 | Exhaust sampling system and method for water vapor management | William Martin Silvis, Gerald Marek, Douglas E. Miller | 2016-03-29 |
| 9097623 | CVS system sample water vapor management | William Martin Silvis | 2015-08-04 |
| 8181543 | CVS system sample water vapor management | William Martin Silvis | 2012-05-22 |
| 7559262 | CVS system sample water vapor management | William Martin Silvis | 2009-07-14 |
| 7055364 | Exhaust volume measurement device | William Martin Silvis, Norbert Kreft, Gerald Marek | 2006-06-06 |
| 7000449 | Exhaust volume measurement device | William Martin Silvis, Norbert Kreft, Gerald Marek | 2006-02-21 |
| 6973818 | Exhaust volume measurement device | William Martin Silvis | 2005-12-13 |