Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7655945 | Real-time monitoring of particles in semiconductor vacuum environment | Yi Liu, Christof Asbach, Heinz Fissan | 2010-02-02 |
| 5146244 | Window purging system for a combustion instrument | Douglas C. Myhre, Richard J. O'Brien, Chuen-Jinn Tsai | 1992-09-08 |
| 4786188 | Purge air system for a combustion instrument | Douglas C. Myhre, Larry Miller | 1988-11-22 |
| 4355504 | Apparatus for reducing particles discharged by combustion means | Benjamin Y. H. Liu, David B. Kittelson, Daniel F. Dolan | 1982-10-26 |
| 4338784 | Method of recycling collected exhaust particles | Benjamin Y. H. Liu, David B. Kittelson, Daniel F. Dolan | 1982-07-13 |
| 4316360 | Apparatus for recycling collected exhaust particles | Benjamin Y. H. Liu, David B. Kittelson, Daniel F. Dolan | 1982-02-23 |
| 4304096 | Method for reducing particulates discharged by combustion means | Benjamin Y. H. Liu, David B. Kittelson, Daniel F. Dolan | 1981-12-08 |