Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6505524 | Mixing system and method | — | 2003-01-14 |
| 6481299 | Particulate sampling probe and dilution tunnel | Norbert Kreft, Gerald Marek | 2002-11-19 |
| 6209385 | Method and system for determining air/fuel ratio of an engine's combustion process from its exhaust emissions | — | 2001-04-03 |
| 6122980 | Mixing system | Gary Lewis | 2000-09-26 |
| 5968452 | System for controlling flow of a diluted sample and determining pollutants based on water content in engine exhaust emissions | — | 1999-10-19 |
| 5846831 | Methods and systems for controlling flow of a diluted sample and determining pollutants based on water content in engine exhaust emissions | — | 1998-12-08 |