Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8887516 | Refrigerant charging system and method for using vapor-phase refrigerant | Craig F. Govekar, Dean P. Pfefferle, Larry G. Moller, Ken R. Meldahl | 2014-11-18 |
| 8434523 | Modular upgradeable pneumatic/hydraulic manifold | — | 2013-05-07 |
| 8429921 | A/C maintenance system using heat transfer from the condenser to the oil separator for improved efficiency | Dean P. Pfefferle, Craig F. Govekar | 2013-04-30 |
| 7905095 | System for refrigerant charging with constant volume tank | Dean P. Pfefferle, Craig F. Govekar, Kenneth R. Meldahl, Larry G. Moller | 2011-03-15 |
| 7845178 | A/C maintenance system using heat transfer from the condenser to the oil separator for improved efficiency | Dean P. Pfefferle, Craig F. Govekar | 2010-12-07 |
| 7841363 | Modular upgradeable pneumatic/hydraulic manifold | — | 2010-11-30 |
| 7762089 | Refrigerant charging system and method using vapor-phase refrigerant | Craig F. Govekar, Dean P. Pfefferle, Larry G. Moller, Ken R. Meldahl | 2010-07-27 |
| 7310956 | Refrigerant charging by optimum performance | Kenneth R. Meldahl, Dean P. Pfefferle, Craig F. Govekar, Larry G. Moller | 2007-12-25 |
| 7254954 | Refrigerant charging system and method using cartridges and scale | Craig F. Govekar | 2007-08-14 |
| 7210300 | Refrigerant charging system and method with cartridges | Dean P. Pfefferle, Craig F. Govekar, Kenneth R. Meldahl, Larry G. Moller | 2007-05-01 |
| 6843070 | Refrigerant recycling system with single ball valve | — | 2005-01-18 |
| D465895 | Cart-housing for automotive service equipment | Dean P. Pfefferle, Craig F. Govekar, Michael M. Meeker, Larry G. Moller, Mark R. Schaefer | 2002-11-19 |