Inventor
KOPKO WILLIAM L
US61 patents
⚠️ This page may combine multiple inventors who share the name “KOPKO WILLIAM L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JOHNSON CONTROLS TECH CO
21 patentsUS7757753B2Jul 20, 2010
Multichannel heat exchanger with dissimilar multichannel tubes
JOHNSON CONTROLS TECH CO18 citations90
US10830503B2Nov 10, 2020
Heat pump system with multiple operating modes
JOHNSON CONTROLS TECH CO9 citations84
US10047985B2Aug 14, 2018
Subcooling system with thermal energy storage
JOHNSON CONTROLS TECH CO6 citations84
US10018393B2Jul 10, 2018
Method for controlling an economizer circuit
JOHNSON CONTROLS TECH CO9 citations82
US7980094B2Jul 19, 2011
Multichannel heat exchanger with dissimilar tube spacing
JOHNSON CONTROLS TECH CO8 citations82
US7942020B2May 17, 2011
Multi-slab multichannel heat exchanger
JOHNSON CONTROLS TECH CO15 citations82
US11359847B2Jun 14, 2022
Systems and methods for controlling a refrigeration system
JOHNSON CONTROLS TECH CO6 citations81
US10401068B2Sep 3, 2019
Air cooled chiller with heat recovery
JOHNSON CONTROLS TECH CO3 citations73
US10371428B2Aug 6, 2019
Subcooling system with thermal storage
JOHNSON CONTROLS TECH CO3 citations73
US10317112B2Jun 11, 2019
Heat pump system with multiple operating modes
JOHNSON CONTROLS TECH CO3 citations73
US9885503B2Feb 6, 2018
Refrigeration system with free-cooling
JOHNSON CONTROLS TECH CO2 citations73
US9631852B2Apr 25, 2017
System and method for controlling compressor motor voltage
JOHNSON CONTROLS TECH CO4 citations73
US9581364B2Feb 28, 2017
Refrigeration system with free-cooling
JOHNSON CONTROLS TECH CO2 citations73
US11175076B2Nov 16, 2021
Free cooling refrigeration system
JOHNSON CONTROLS TECH CO6 citations72
US10812005B2Oct 20, 2020
Variable speed drive with a battery
JOHNSON CONTROLS TECH CO2 citations72
US10203140B2Feb 12, 2019
Refrigerant control system for a flash tank
JOHNSON CONTROLS TECH CO2 citations72
US10215444B2Feb 26, 2019
Heat exchanger having stacked coil sections
JOHNSON CONTROLS TECH CO2 citations71
US7677057B2Mar 16, 2010
Multichannel heat exchanger with dissimilar tube spacing
JOHNSON CONTROLS TECH CO7 citations71
US11953243B2Apr 9, 2024
Mechanical-cooling, free-cooling, and hybrid-cooling operation of a chiller
JOHNSON CONTROLS TECH CO0 citations63
US11320183B2May 3, 2022
Subcooling system with thermal energy storage
JOHNSON CONTROLS TECH CO1 citations63
US10739045B2Aug 11, 2020
Systems and methods for controlling a refrigeration system
JOHNSON CONTROLS TECH CO1 citations63
KOPKO WILLIAM L
7 patentsUS8813511B2Aug 26, 2014
Control system for operating condenser fans
KOPKO WILLIAM L20 citations91
US8539789B2Sep 24, 2013
Heat-pump chiller with improved heat recovery features
KOPKO WILLIAM L17 citations91
US8166776B2May 1, 2012
Multichannel heat exchanger
KOPKO WILLIAM L26 citations91
US11199356B2Dec 14, 2021
Free cooling refrigeration system
KOPKO WILLIAM L3 citations72
US9410709B2Aug 9, 2016
Multichannel condenser coil with refrigerant storage receiver
KOPKO WILLIAM L6 citations72
US9121627B2Sep 1, 2015
System and method for controlling an economizer circuit
KOPKO WILLIAM L4 citations71
US8899942B2Dec 2, 2014
Volume ratio control system and method
KOPKO WILLIAM L5 citations71
ENHANCED TURBINE OUTPUT HOLDIN
4 patentsUS7065953B1Jun 27, 2006
Supercharging system for gas turbines
ENHANCED TURBINE OUTPUT HOLDIN274 citations98
US6442942B1Sep 3, 2002
Supercharging system for gas turbines
ENHANCED TURBINE OUTPUT HOLDIN98 citations97
US6718771B1Apr 13, 2004
Gas turbine operative at high ambient temperatures
ENHANCED TURBINE OUTPUT HOLDIN53 citations92
US6308512B1Oct 30, 2001
Supercharging system for gas turbines
ENHANCED TURBINE OUTPUT HOLDIN35 citations92
(unassigned)
3 patentsYORK INT CORP
2 patentsMECHANOLOGY INC
2 patentsWORK SMART ENERGY ENTPR INC
2 patentsYANIK MUSTAFA K
2 patentsSUNPOWER INC
1 patentWORKSMART ENERGY ENTERPRISES I
1 patentUNIV MARYLAND
1 patentDE LA CRUZ JOSE RUEL YALUNG
1 patentCOOLSMART LLC
1 patentNICKEY GLENN EUGENE
1 patentKNIGHT JOHN T
1 patentShowing the top 50 of 61 patents by PatentIndex Score.