Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10850588 | Automated passenger counter systems and methods | William Northrop, Andrew Kotz | 2020-12-01 |
| 9605219 | Solar gasifier | Brandon J. Hathaway, Jane H. Davidson, Wojciech Lipinski | 2017-03-28 |
| 7628007 | Onboard diagnostics for anomalous cylinder behavior | Brian C. Krafthefer, Hongbin Ma, Michael L. Rhodes | 2009-12-08 |
| 6971258 | Particulate matter sensor | Michael L. Rhodes, Brian C. Krafthefer, Hongbin Ma | 2005-12-06 |
| 5270542 | Apparatus and method for shaping and detecting a particle beam | Peter H. McMurry, Paul Ziemann, Peng Liu, Nagaraja Rao | 1993-12-14 |
| 5168853 | System for optimizing the performance of internal combustion engines | Michael J. Pipho, Matthew Franklin | 1992-12-08 |
| 4575800 | System for optimizing the timing of diesel or spark ignition engines | — | 1986-03-11 |
| 4355504 | Apparatus for reducing particles discharged by combustion means | Benjamin Y. H. Liu, Daniel F. Dolan, David Y. H. Pui | 1982-10-26 |
| 4338784 | Method of recycling collected exhaust particles | Benjamin Y. H. Liu, Daniel F. Dolan, David Y. H. Pui | 1982-07-13 |
| 4316360 | Apparatus for recycling collected exhaust particles | Benjamin Y. H. Liu, Daniel F. Dolan, David Y. H. Pui | 1982-02-23 |
| 4304096 | Method for reducing particulates discharged by combustion means | Benjamin Y. H. Liu, Daniel F. Dolan, David Y. H. Pui | 1981-12-08 |