Inventor · disambiguated record
Mark Mcmasters
Also filed as: MCMASTERS MARK · MCMASTERS MARK W · MCMASTERS MARK WILLIAM
46 granted patents·5 pending applications·129 citations·filing 2007–2018
97Inventor score
Files withMCMASTERS MARK10SERVICE SOLUTIONS US LLC9BOSCH AUTOMOTIVE SERVICE SOLUTIONS LLC8SPX CORP6BOSCH AUTOMOTIVE SERVICE SOLUTIONS INC5
Top patents by PatentIndex Score
51 records- 0188US7832222B2Background tank fill based on refrigerant compositionSPX CORP·Filed 2007·Granted Nov 16, 2010·10 cites·23 claims
- 0286US9194620B2Methods and systems for reducing refrigerant loss during air purgeMCMASTERS MARK·Filed 2012·Granted Nov 24, 2015·6 cites·19 claims
- 0386US8590321B2Vacuum pump oil changing method and apparatusMCMASTERS MARK·Filed 2010·Granted Nov 26, 2013·6 cites·16 claims
- 0486US8590335B2Method and apparatus for clearing oil inject circuit for changing oil typesBROWN WILLIAM·Filed 2012·Granted Nov 26, 2013·4 cites·21 claims
- 0584US8079226B2Method for accurately recharging A/C systemsBROWN WILLIAM·Filed 2007·Granted Dec 20, 2011·9 cites·5 claims
- 0683US8272227B2System and method for accurately recharging an air conditioning systemMCMASTERS MARK·Filed 2010·Granted Sep 25, 2012·4 cites·20 claims
- 0782US8661836B2Apparatus to clear oil from the hoses and front end of a recovery recharge machineSERVICE SOLUTIONS US LLC·Filed 2012·Granted Mar 4, 2014·3 cites·12 claims
- 0882US8272228B2Apparatus to clear oil from the hoses and front end of a recovery recharge machineMURRAY GARY P·Filed 2008·Granted Sep 25, 2012·8 cites·9 claims
- 0981US9464833B2Refrigerant conversion kit and method for a refrigerant recovery unitMCMASTERS MARK·Filed 2012·Granted Oct 11, 2016·5 cites·13 claims
- 1080US9273888B2Refrigerant recovery device and methodSERVICE SOLUTIONS US LLC·Filed 2013·Granted Mar 1, 2016·3 cites·20 claims
- 1177US9366465B2System and method for improving charge accuracy by temperature compensationMCMASTERS MARK·Filed 2011·Granted Jun 14, 2016·3 cites·14 claims
- 1277US8661839B2Background tank fill based on refrigerant compositionMCMASTERS MARK·Filed 2010·Granted Mar 4, 2014·2 cites·20 claims
- 1377US8342577B2Magnetic quick disconnect fittingSPX CORP·Filed 2007·Granted Jan 1, 2013·11 cites·15 claims
- 1476US9857111B2Method and apparatus for recovering refrigerant from an air conditioning systemBOSCH AUTOMOTIVE SERVICE SOLUTIONS LLC·Filed 2014·Granted Jan 2, 2018·2 cites·14 claims
- 1574US9074801B2Apparatus and method for identifying and operating air purge in safe mode and having a dip tubeSERVICE SOLUTIONS US LLC·Filed 2012·Granted Jul 7, 2015·3 cites·20 claims
- 1674US8572992B2Method for recovery and recharge of blend refrigerants with blend sent for reclamationMURRAY GARY·Filed 2008·Granted Nov 5, 2013·6 cites·12 claims
- 1771US10704815B2Flow control valve for injecting oil into an air conditioning circuitBOSCH AUTOMOTIVE SERVICE SOLUTIONS LLC·Filed 2015·Granted Jul 7, 2020·1 cites·19 claims
- 1871US10429110B2System and method for recovering refrigerantBOSCH AUTOMOTIVE SERVICE SOLUTIONS INC·Filed 2015·Granted Oct 1, 2019·1 cites·16 claims
- 1971US8800306B2Portable refrigerant recovery machineSCHOENOFF MICHAEL STEVEN·Filed 2008·Granted Aug 12, 2014·6 cites·25 claims
- 2071US7937957B2Method for using high pressure refrigerant for leak checking a systemSPX CORP·Filed 2008·Granted May 10, 2011·3 cites·16 claims
- 2170US9447998B2Method and apparatus for improving the charge accuracy of a refrigerant recovery unitSERVICE SOLUTIONS US LLC·Filed 2013·Granted Sep 20, 2016·2 cites·29 claims
- 2270US9297564B2Refrigerant recovery unit with diagnostic interfaceWAGAMAN TIM·Filed 2012·Granted Mar 29, 2016·3 cites·14 claims
- 2370US9074805B2Method and apparatus for improving accuracy of A/C diagnostic testsMCMASTERS MARK·Filed 2012·Granted Jul 7, 2015·2 cites·9 claims
- 2470US8122731B2Method and apparatus for clearing oil inject circuit for changing oil typesMCMASTERS MARK·Filed 2008·Granted Feb 28, 2012·2 cites·20 claims
- 2569US8406931B2A/C service tool controllerMCMASTERS MARK·Filed 2009·Granted Mar 26, 2013·4 cites·21 claims
- 2668US10101067B2Heat exchanger for a refrigerant service systemBOSCH AUTOMOTIVE SERVICE SOLUTIONS LLC·Filed 2014·Granted Oct 16, 2018·1 cites·13 claims
- 2768US9207006B2Method for accurately recharging A/C systemsBROWN WILLIAM·Filed 2011·Granted Dec 8, 2015·1 cites·21 claims
- 2868US7992721B2Method and apparatus for confirming that a filter drier has been replacedSPX CORP·Filed 2007·Granted Aug 9, 2011·2 cites·15 claims
- 2965USD640437SAir conditioning maintenance cart assemblySPX CORP·Filed 2010·Granted Jun 21, 2011·16 cites·1 claims
- 3060US9696072B2System and method for calculating temperature in an air conditioning systemBOSCH AUTOMOTIVE SERVICE SOLUTIONS LLC·Filed 2014·Granted Jul 4, 2017·0 cites·20 claims
- 3158US10072655B2Compressor having a pressurized caseBOSCH AUTOMOTIVE SERVICE SOLUTIONS LLC·Filed 2014·Granted Sep 11, 2018·0 cites·8 claims
- 3258US8516836B2System and method for accurately recharging an air conditioning systemMCMASTERS MARK·Filed 2012·Granted Aug 27, 2013·0 cites·20 claims
- 3356US9732999B2System and method for recovering refrigerantBOSCH AUTOMOTIVE SERVICE SOLUTIONS LLC·Filed 2014·Granted Aug 15, 2017·0 cites·9 claims
- 3456US9528734B2Apparatus and method for identifying and operating air purge in safe mode and having a dip tubeSERVICE SOLUTIONS US LLC·Filed 2012·Granted Dec 27, 2016·0 cites·13 claims
- 3555US9175891B2Method and system for a portable refrigerant recovery unit load controllerBOSCH GMBH ROBERT·Filed 2012·Granted Nov 3, 2015·0 cites·16 claims
- 3655US2014174111A1Background tank fill based on refrigerant compositionMCMASTERS MARK WILLIAM·Filed 2014·Application pending·0 cites
- 3754US11092367B2Refrigerant recovery and recycling system with serviceable debris filterBOSCH AUTOMOTIVE SERVICE SOLUTIONS INC·Filed 2018·Granted Aug 17, 2021·0 cites·7 claims
- 3852US10101068B2System and method for charging refrigerant into a refrigeration circuitBOSCH AUTOMOTIVE SERVICE SOLUTIONS INC·Filed 2015·Granted Oct 16, 2018·0 cites·17 claims
- 3952US9823001B2Method and system for measuring volume of fluid drained from an air conditioning service unitBOSCH AUTOMOTIVE SERVICE SOLUTIONS INC·Filed 2015·Granted Nov 21, 2017·0 cites·20 claims
- 4052US9470443B2Modified hose flush device and methodSERVICE SOLUTIONS US LLC·Filed 2013·Granted Oct 18, 2016·0 cites·18 claims
- 4149US9890979B2System and method for venting refrigerant from an air conditioning systemBOSCH AUTOMOTIVE SERVICE SOLUTIONS LLC·Filed 2015·Granted Feb 13, 2018·0 cites·5 claims
- 4249US7739895B2Verification of scale calibration method and apparatusSPX CORP·Filed 2007·Granted Jun 22, 2010·0 cites·25 claims
- 4349US2014182684A1Refrigerant Removal Device and MethodSERVICE SOLUTIONS US LLC·Filed 2012·Application pending·0 cites
- 4448US8621879B2Air conditioning system recharging method and apparatusBROWN WILLIAM·Filed 2010·Granted Jan 7, 2014·0 cites·17 claims
- 4548US2014271248A1Compressor Device and MethodSERVICE SOLUTIONS US LLC·Filed 2013·Application pending·0 cites
- 4648US2014260354A1Refrigerant Service Hose Check Valve Device and MethodSERVICE SOLUTIONS US LLC·Filed 2013·Application pending·0 cites
- 4747US10006682B2System and method for venting refrigerant from an air conditioning systemBOSCH AUTOMOTIVE SERVICE SOLUTIONS LLC·Filed 2015·Granted Jun 26, 2018·0 cites·6 claims
- 4845US10627142B2Apparatus and method for determining the quantity of dissolved refrigerant in oil recovered from an air conditioning systemBOSCH AUTOMOTIVE SERVICE SOLUTIONS INC·Filed 2017·Granted Apr 21, 2020·0 cites·6 claims
- 4943US8434344B2Verification of scale calibration method and apparatusMCMASTERS MARK WILLIAM·Filed 2010·Granted May 7, 2013·0 cites·25 claims
- 5040US2012291457A1Pressure Decay Leak Check Method and ApparatusBROWN WILLIAM·Filed 2012·Application pending·0 cites
Showing the top 50 of 51 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →