Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7805986 | Portable vehicle exhaust flow sensor | Alex D. Colvin, Thomas Korniski | 2010-10-05 |
| 7568383 | Portable vehicle exhaust flow sensor | Alex D. Colvin, Thomas Korniski | 2009-08-04 |
| 5794596 | Method and system for predictably controlling air/fuel ratio | Alex D. Colvin, Thomas Korniski | 1998-08-18 |
| 5636135 | Method and apparatus for time-alignment of non-plug flow | Gerald Jesion, Lee Albert Feldkamp, Gintaras Vincent Puskorius, Christine A. Gierdzak | 1997-06-03 |
| 5621166 | Exhaust emissions analysis apparatus and method | — | 1997-04-15 |
| 5138163 | Direct sampling of engine emissions for instantaneous analysis | Alex D. Colvin, Thomas Korniski | 1992-08-11 |
| 4928015 | Measuring multicomponent constituency of gas emission flow | Thomas Korniski, Alex D. Colvin | 1990-05-22 |
| 4801805 | Method of measuring multicomponent constituency of gas emission flow | Paul D. Maker, Thomas Korniski, Alex D. Colvin | 1989-01-31 |
| 4751466 | Instrument for on-line measurement of the absolute electrical conductivity of a liquid | Alex D. Colvin | 1988-06-14 |
| 4389881 | Method of measuring an air to fuel ratio | Alex D. Colvin | 1983-06-28 |
| 4372155 | Methods of monitoring a combustion system | Alex D. Colvin, Dennis Schuetzle | 1983-02-08 |