Pfefferle; Dean P.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Pfefferle; Dean P..The latest application filed is for "a/c maintenance system using heat transfer from the condenser to the oil separator for improved efficiency".

Company Profile

0.10.5

Pfefferle; Dean P. - Elgin IL
Pfefferle; Dean P. - Lincolnshire IL US
Pfefferle; Dean P. - Gilberts IL

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Refrigerant charging system and method for using vapor-phase refrigerant Grant 8,887,516 - Govekar , et al. November 18, 2	2014-11-18
A/C maintenance system using heat transfer from the condenser to the oil separator for improved efficiency Grant 8,429,921 - Suharno , et al. April 30, 2	2013-04-30
A/C Maintenance System Using Heat Transfer from the Condenser to the Oil Separator for Improved Efficiency App 20110094247 - Suharno; Anwar ; et al.	2011-04-28
System for refrigerant charging with constant volume tank Grant 7,905,095 - Suharno , et al. March 15, 2	2011-03-15
A/C maintenance system using heat transfer from the condenser to the oil separator for improved efficiency Grant 7,845,178 - Suharno , et al. December 7, 2	2010-12-07
Refrigerant Charging System and Method for Using Vapor-Phase Refrigerant App 20100281890 - Govekar; Craig F. ; et al.	2010-11-11
Refrigerant charging system and method using vapor-phase refrigerant Grant 7,762,089 - Govekar , et al. July 27, 2	2010-07-27
Refrigerant transfer system and method Grant 7,293,419 - Moller , et al. November 13, 2	2007-11-13
Refrigerant charging system and method with cartridges Grant 7,210,300 - Suharno , et al. May 1, 2	2007-05-01
Refrigerant charging system and method using vapor-phase refrigerant App 20060101834 - Govekar; Craig F. ; et al.	2006-05-18
Refrigerant charging system and method with cartridges App 20060010888 - Suharno; Anwar ; et al.	2006-01-19
System for refrigerant charging with constant volume tank App 20060010898 - Suharno; Anwar ; et al.	2006-01-19
Cart-housing for automotive service equipment Grant D465,895 - Pfefferle , et al. November 19, 2	2002-11-19

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