Inventor · disambiguated record
Douglas A. Kester
Also filed as: KESTER DOUGLAS A · KESTER DOUGLAS ALAN
21 granted patents·7 pending applications·214 citations·filing 2002–2023
93Inventor score
Files withJOHNSON CONTROLS TECH CO17YORK INT CORP4Johnson Controls Tyco IP Holdings LLP3KOPKO WILLIAM L2CASKEY CURTIS W1
Top patents by PatentIndex Score
28 records- 0197US10935454B2Systems and methods for refrigerant leak managementJOHNSON CONTROLS TECH CO·Filed 2018·Granted Mar 2, 2021·21 cites·40 claims
- 0295US8539789B2Heat-pump chiller with improved heat recovery featuresKOPKO WILLIAM L·Filed 2010·Granted Sep 24, 2013·17 cites·33 claims
- 0394US7096681B2System and method for variable speed operation of a screw compressorYORK INT CORP·Filed 2004·Granted Aug 29, 2006·61 cites·35 claims
- 0491US7003971B2Electronic component cooling system for an air-cooled chillerYORK INT CORP·Filed 2004·Granted Feb 28, 2006·62 cites·18 claims
- 0588US6976529B2High-V plate fin for a heat exchanger and method of manufacturingYORK INT CORP·Filed 2002·Granted Dec 20, 2005·33 cites·49 claims
- 0686US10520255B2Finned heat exchanger U-bends, manifolds, and distributor tubesJOHNSON CONTROLS TECH CO·Filed 2017·Granted Dec 31, 2019·2 cites·24 claims
- 0784US7124813B2High-V plate fin heat exchanger and method of manufacturingYORK INT CORP·Filed 2005·Granted Oct 24, 2006·13 cites·27 claims
- 0883US10488089B2Parallel capillary expansion tube systems and methodsJOHNSON CONTROLS TECH CO·Filed 2017·Granted Nov 26, 2019·2 cites·21 claims
- 0977US10502468B2Parallel capillary expansion tube systems and methodsJOHNSON CONTROLS TECH CO·Filed 2017·Granted Dec 10, 2019·1 cites·24 claims
- 1076US9429345B2Heat-pump chiller with improved heat recovery featuresJOHNSON CONTROLS TECH CO·Filed 2013·Granted Aug 30, 2016·2 cites·20 claims
- 1173US11906211B2Heating, ventilation, and air conditioning system with primary and secondary heat transfer loopsJohnson Controls Tyco IP Holdings LLP·Filed 2021·Granted Feb 20, 2024·0 cites·20 claims
- 1273US11604032B2Finned heat exchanger U-bends, manifolds, and distributor tubesJOHNSON CONTROLS TECH CO·Filed 2019·Granted Mar 14, 2023·0 cites·23 claims
- 1373US2022090979A1Systems and methods for leak management utilizing sub-barometric refrigerant conduit sleevesJohnson Controls Tyco IP Holdings LLP·Filed 2021·Application pending·0 cites
- 1470US11920833B2Heat exchanger for a HVAC unitJohnson Controls Tyco IP Holdings LLP·Filed 2022·Granted Mar 5, 2024·0 cites·19 claims
- 1563US11105539B2Heating, ventilation, and air conditioning system with primary and secondary heat transfer loopsJOHNSON CONTROLS TECH CO·Filed 2018·Granted Aug 31, 2021·0 cites·15 claims
- 1660US2019170599A1Systems and methods for leak management utilizing sub-barometric refrigerant conduit sleevesJOHNSON CONTROLS TECH CO·Filed 2018·Application pending·0 cites
- 1759US11274861B2Method and apparatus for isolating heat exchanger from the air handling unit in a single-packace outdoor unitJOHNSON CONTROLS TECH CO·Filed 2017·Granted Mar 15, 2022·0 cites·21 claims
- 1859US2025362068A1Systems and methods for controlling a chillerTYCO FIRE & SECURITY GMBH·Filed 2023·Application pending·0 cites
- 1957US10634437B2Heat exchanger coil prototyping systemJOHNSON CONTROLS TECH CO·Filed 2017·Granted Apr 28, 2020·0 cites·21 claims
- 2057US10563931B2Ultrasonic enhanced heat exchanger systems and methodsJOHNSON CONTROLS TECH CO·Filed 2017·Granted Feb 18, 2020·0 cites·18 claims
- 2156US10982870B2Working fluid distribution systemsJOHNSON CONTROLS TECH CO·Filed 2018·Granted Apr 20, 2021·0 cites·22 claims
- 2255US10830538B2Variable circuitry heat exchanger systemJOHNSON CONTROLS TECH CO·Filed 2018·Granted Nov 10, 2020·0 cites·20 claims
- 2352US10415848B2Systems and methods for pivotable evaporator coilsJOHNSON CONTROLS TECH CO·Filed 2017·Granted Sep 17, 2019·0 cites·26 claims
- 2448US2006174640A1System and method for operating a condenser at low ambient conditionsCASKEY CURTIS W·Filed 2006·Application pending·0 cites
- 2547US10323869B2Combined suction header and accumulator unitJOHNSON CONTROLS TECH CO·Filed 2017·Granted Jun 18, 2019·0 cites·19 claims
- 2646US2012103005A1Screw chiller economizer systemKOPKO WILLIAM L·Filed 2011·Application pending·0 cites
- 2744US2019293364A1Varied geometry heat exchanger systems and methodsJOHNSON CONTROLS TECH CO·Filed 2018·Application pending·0 cites
- 2842US2018094429A1Systems for insulating panels in heating, ventilating, and air conditioning applicationsJOHNSON CONTROLS TECH CO·Filed 2017·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →