Inventor · disambiguated record
Andrew M. Welch
Also filed as: WELCH ANDREW · WELCH ANDREW M · WELCH ANDREW MICHAEL
32 granted patents·13 pending applications·153 citations·filing 2008–2025
96Inventor score
Files withCOPELAND LP20EMERSON CLIMATE TECHNOLOGIES9JOHNSON CONTROLS TECH CO9WELCH ANDREW M3COPELAND COMFORT CONTROL LP1
Top patents by PatentIndex Score
45 records- 0198US11131471B1Refrigeration leak detectionEMERSON CLIMATE TECHNOLOGIES·Filed 2020·Granted Sep 28, 2021·22 cites·12 claims
- 0295US11655896B2Sealing egress for fluid heat exchange in the wall of a structureEMERSON CLIMATE TECHNOLOGIES·Filed 2021·Granted May 23, 2023·3 cites·20 claims
- 0393US12287101B2Combined cooling, heating, and power systemCOPELAND LP·Filed 2022·Granted Apr 29, 2025·1 cites·20 claims
- 0492US12173708B1Heat pump systems with capacity modulationCOPELAND LP·Filed 2023·Granted Dec 24, 2024·1 cites·22 claims
- 0592US11808527B2Plastic film heat exchanger for low pressure and corrosive fluidsEMERSON CLIMATE TECHNOLOGIES·Filed 2021·Granted Nov 7, 2023·2 cites·18 claims
- 0690US12320569B2Climate control systems having ejector cooling for use with moderate to high glide working fluids and methods for operation thereofCOPELAND LP·Filed 2022·Granted Jun 3, 2025·1 cites·17 claims
- 0790US12140359B2Climate control systems for use with high glide working fluids and methods for operation thereofCOPELAND LP·Filed 2021·Granted Nov 12, 2024·2 cites·21 claims
- 0890US11732916B2Refrigeration leak detectionEMERSON CLIMATE TECHNOLOGIES·Filed 2020·Granted Aug 22, 2023·2 cites·19 claims
- 0989US10371428B2Subcooling system with thermal storageJOHNSON CONTROLS TECH CO·Filed 2017·Granted Aug 6, 2019·3 cites·10 claims
- 1089US8516850B2Motor cooling applicationsJADRIC IVAN·Filed 2009·Granted Aug 27, 2013·21 cites·17 claims
- 1187US11713893B2Refrigeration leak detectionEMERSON CLIMATE TECHNOLOGIES·Filed 2021·Granted Aug 1, 2023·1 cites·20 claims
- 1287US11359846B2Refrigeration system leak detectionEMERSON CLIMATE TECHNOLOGIES·Filed 2020·Granted Jun 14, 2022·4 cites·20 claims
- 1387US9816402B2Heat recovery system series arrangementsKAUFFMAN JUSTIN P·Filed 2012·Granted Nov 14, 2017·43 cites·12 claims
- 1485US12372275B2Conditioning system including vapor compression system and evaporative cooling systemCOPELAND LP·Filed 2024·Granted Jul 29, 2025·0 cites·16 claims
- 1585US9212836B2Heat exchangerWELCH ANDREW M·Filed 2009·Granted Dec 15, 2015·12 cites·7 claims
- 1684US8511103B2Vapor compression systemWELCH ANDREW M·Filed 2008·Granted Aug 20, 2013·11 cites·20 claims
- 1783US11754324B2Refrigerant isolation using a reversing valveEMERSON CLIMATE TECHNOLOGIES·Filed 2020·Granted Sep 12, 2023·1 cites·20 claims
- 1880US11635238B2Systems and methods for controlling a purge unit of a vapor compression systemJOHNSON CONTROLS TECH CO·Filed 2018·Granted Apr 25, 2023·2 cites·22 claims
- 1977US11466912B2Activation and deactivation of a purge unit of a vapor compression system based at least in part on conditions within a condenser of the vapor compression systemJOHNSON CONTROLS TECH CO·Filed 2018·Granted Oct 11, 2022·2 cites·20 claims
- 2076US11982471B2Conditioning system including vapor compression system and evaporative cooling systemCOPELAND LP·Filed 2022·Granted May 14, 2024·0 cites·20 claims
- 2176US8434323B2Motor cooling applicationsWELCH ANDREW M·Filed 2009·Granted May 7, 2013·17 cites·18 claims
- 2272US2025377128A1Energy management and smart thermostat learning methods and control systemsCopeland Comfort Controls LP·Filed 2025·Application pending·0 cites
- 2370US11940188B2Hybrid heat-pump systemCOPELAND LP·Filed 2021·Granted Mar 26, 2024·0 cites·19 claims
- 2470US9733005B2Subcooling system with thermal storageJOHNSON CONTROLS TECH CO·Filed 2014·Granted Aug 15, 2017·1 cites·12 claims
- 2567US12422158B2Energy management and smart thermostat learning methods and control systemsCOPELAND COMFORT CONTROL LP·Filed 2022·Granted Sep 23, 2025·0 cites·17 claims
- 2666US9857109B2Heat exchangerJOHNSON CONTROLS TECH CO·Filed 2014·Granted Jan 2, 2018·1 cites·9 claims
- 2765US2025362052A1Climate-Control System With Sensible and Latent CoolingCOPELAND LP·Filed 2024·Application pending·0 cites
- 2864US2025341332A1Open Air-Cycle Ventilating Heat PumpCOPELAND LP·Filed 2024·Application pending·0 cites
- 2963US11852385B2Open cycle cooling systemCOPELAND LP·Filed 2021·Granted Dec 26, 2023·0 cites·18 claims
- 3062US2024271819A1Climate control systems for use with high glide working fluids and methods for operation thereofCOPELAND LP·Filed 2024·Application pending·0 cites
- 3161US12259163B2Climate-control system with thermal storageCOPELAND LP·Filed 2022·Granted Mar 25, 2025·0 cites·20 claims
- 3261US10677503B2Heat exchangerJOHNSON CONTROLS TECH CO·Filed 2017·Granted Jun 9, 2020·0 cites·8 claims
- 3360US2009165497A1Heat exchangerJOHNSON CONTROLS TECH CO·Filed 2008·Application pending·0 cites
- 3459US12196462B2Heat-pump system with multiway valveCOPELAND LP·Filed 2021·Granted Jan 14, 2025·0 cites·16 claims
- 3559US2024328690A1Vapor compression systems including liquid refrigerant atomizer, and methods of operating and controlling the sameCOPELAND LP·Filed 2024·Application pending·0 cites
- 3658US2025188927A1Heat Pump Systems With Capacity ModulationCOPELAND LP·Filed 2024·Application pending·0 cites
- 3753US12287127B2Thermal battery and heat exchanger assembly using phase change materialCOPELAND LP·Filed 2021·Granted Apr 29, 2025·0 cites·3 claims
- 3853US2023194108A1Conditioning system including vapor compression system and humidity control systemEMERSON CLIMATE TECHNOLOGIES·Filed 2021·Application pending·0 cites
- 3953US2024255198A1Method and Apparatus For Reducing Heat Losses In Reversible Vapor Compression SystemEMERSON CLIMATE TECHNOLOGIES·Filed 2023·Application pending·0 cites
- 4052US12061011B2Climate-control system with sensible and latent coolingCOPELAND LP·Filed 2021·Granted Aug 13, 2024·0 cites·16 claims
- 4152US2025164141A1Systems and methods for supplying stored heat to a vapor compression systemCOPELAND LP·Filed 2023·Application pending·0 cites
- 4252US2025155166A1Climate control systems having a liquid-to-suction heat exchanger, an accumulator, and a receiver for variable liquid storage of high glide working fluids and methods for operation thereofCOPELAND LP·Filed 2023·Application pending·0 cites
- 4345US12078398B2Refrigerant charge monitoring systems and methods for multiple evaporatorsCOPELAND LP·Filed 2021·Granted Sep 3, 2024·0 cites·20 claims
- 4445US2020041181A1Systems and methods for purging a chiller systemJOHNSON CONTROLS TECH CO·Filed 2019·Application pending·0 cites
- 4543US2020355413A1Systems and methods for purging a chiller systemJOHNSON CONTROLS TECH CO·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →