| 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 |