DP

Dean P. Pfefferle

SI Snap-On Incorporated: 7 patents #114 of 458Top 25%
SP Spx: 3 patents #98 of 468Top 25%
BS Bosch Automotive Service Solutions: 1 patents #85 of 180Top 50%
SU Service Solutions U.S.: 1 patents #20 of 48Top 45%
ST Snap-On Tools: 1 patents #106 of 198Top 55%
Overall (All Time): #384,786 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
8887516 Refrigerant charging system and method for using vapor-phase refrigerant Craig F. Govekar, Larry G. Moller, Anwar Suharno, Ken R. Meldahl 2014-11-18
8429921 A/C maintenance system using heat transfer from the condenser to the oil separator for improved efficiency Anwar Suharno, Craig F. Govekar 2013-04-30
7905095 System for refrigerant charging with constant volume tank Anwar Suharno, 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 Anwar Suharno, Craig F. Govekar 2010-12-07
7762089 Refrigerant charging system and method using vapor-phase refrigerant Craig F. Govekar, Larry G. Moller, Anwar Suharno, Ken R. Meldahl 2010-07-27
7310956 Refrigerant charging by optimum performance Kenneth R. Meldahl, Craig F. Govekar, Anwar Suharno, Larry G. Moller 2007-12-25
7293419 Refrigerant transfer system and method Larry G. Moller 2007-11-13
7210300 Refrigerant charging system and method with cartridges Anwar Suharno, Craig F. Govekar, Kenneth R. Meldahl, Larry G. Moller 2007-05-01
D465895 Cart-housing for automotive service equipment Anwar Suharno, Craig F. Govekar, Michael M. Meeker, Larry G. Moller, Mark R. Schaefer 2002-11-19
6442963 Non-condensable purge technique using refrigerant temperature offset Michael B. Meeker, Larry G. Moller 2002-09-03
6427457 Refrigerant recycling system with automatic detection of optional vacuum pump Craig F. Govekar, Michael B. Meeker, Larry G. Moller 2002-08-06
6185945 Isolated refrigerant identifier Donald Huvaere 2001-02-13
5369959 Non-condensable purge control for refrigerant recycling system Roger L. Husarik, J. Steven Martin 1994-12-06