Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8887516 | Refrigerant charging system and method for using vapor-phase refrigerant | Craig F. Govekar, Dean P. Pfefferle, Anwar Suharno, Ken R. Meldahl | 2014-11-18 |
| 7905095 | System for refrigerant charging with constant volume tank | Anwar Suharno, Dean P. Pfefferle, Craig F. Govekar, Kenneth R. Meldahl | 2011-03-15 |
| 7762089 | Refrigerant charging system and method using vapor-phase refrigerant | Craig F. Govekar, Dean P. Pfefferle, Anwar Suharno, Ken R. Meldahl | 2010-07-27 |
| 7310956 | Refrigerant charging by optimum performance | Kenneth R. Meldahl, Dean P. Pfefferle, Craig F. Govekar, Anwar Suharno | 2007-12-25 |
| 7293419 | Refrigerant transfer system and method | Dean P. Pfefferle | 2007-11-13 |
| 7210300 | Refrigerant charging system and method with cartridges | Anwar Suharno, Dean P. Pfefferle, Craig F. Govekar, Kenneth R. Meldahl | 2007-05-01 |
| D465895 | Cart-housing for automotive service equipment | Dean P. Pfefferle, Anwar Suharno, Craig F. Govekar, Michael M. Meeker, Mark R. Schaefer | 2002-11-19 |
| 6442963 | Non-condensable purge technique using refrigerant temperature offset | Dean P. Pfefferle, Michael B. Meeker | 2002-09-03 |
| 6427457 | Refrigerant recycling system with automatic detection of optional vacuum pump | Dean P. Pfefferle, Craig F. Govekar, Michael B. Meeker | 2002-08-06 |