WK

William L. Kopko

JT Johnson Controls Technology: 38 patents #11 of 2,110Top 1%
WE Work Smart Energy Enterprises: 7 patents #1 of 2Top 50%
JL Johnson Controls Tyco Ip Holdings Llp: 4 patents #116 of 843Top 15%
TG Tyco Fire & Security Gmbh: 3 patents #139 of 829Top 20%
TP Technology Partners: 2 patents #31 of 201Top 20%
YI York International: 2 patents #50 of 154Top 35%
UA United States Environmental Protection Agency: 1 patents #2 of 35Top 6%
UM University Of Maryland: 1 patents #209 of 857Top 25%
SU Sunpower: 1 patents #299 of 453Top 70%
Overall (All Time): #31,739 of 4,157,543Top 1%
67
Patents All Time

Issued Patents All Time

Showing 25 most recent of 67 patents

Patent #TitleCo-InventorsDate
12392530 Chiller system with multiple compressors 2025-08-19
12050042 Condenser arrangement for a chiller Icksoo Kyung 2024-07-30
11953243 Mechanical-cooling, free-cooling, and hybrid-cooling operation of a chiller Jing Li 2024-04-09
11774154 Systems and methods for controlling a refrigeration system Stephen M. Zardus, Israel Federman, Curtis Christian Crane, Todd Kwao-vovo 2023-10-03
11378314 Air cooled chiller with heat recovery Satheesh Kulankara 2022-07-05
11359847 Systems and methods for controlling a refrigeration system Stephen M. Zardus, Israel Federman, Curtis Christian Crane, Todd Kwao-vovo 2022-06-14
11320183 Subcooling system with thermal energy storage 2022-05-03
11199356 Free cooling refrigeration system Mustafa K. Yanik 2021-12-14
11175076 Free cooling refrigeration system Mustafa K. Yanik 2021-11-16
11079122 Modular liquid based heating and cooling system Ian Michael Casper, Dirck Lyon, Walter Doll, John R. Schwartz, Martin Yu +19 more 2021-08-03
10830503 Heat pump system with multiple operating modes 2020-11-10
10812005 Variable speed drive with a battery Israel Federman, Jay A. Kohler, Ivan Jadric 2020-10-20
10739045 Systems and methods for controlling a refrigeration system 2020-08-11
10401068 Air cooled chiller with heat recovery Satheesh Kulankara 2019-09-03
10371428 Subcooling system with thermal storage Andrew M. Welch, Satheesh Kulankara 2019-08-06
10317112 Heat pump system with multiple operating modes 2019-06-11
10215444 Heat exchanger having stacked coil sections Mustafa K. Yanik, Michael Lee Buckley, Glenn Eugene Nickey, Ian Michael Casper 2019-02-26
10203140 Refrigerant control system for a flash tank Israel Federman, Satheesh Kulankara, Andrew John Graybill 2019-02-12
10047985 Subcooling system with thermal energy storage 2018-08-14
10018393 Method for controlling an economizer circuit Andrew John Graybill, Glenn Eugene Nickey, Israel Federman, Satheesh Kulankara 2018-07-10
9885503 Refrigeration system with free-cooling 2018-02-06
9874378 Refrigeration system with free-cooling 2018-01-23
9869487 Heat exchanger having stacked coil sections Glenn Eugene Nickey, Ian Michael Casper, Michael Lee Buckley, Mustafa K. Yanik 2018-01-16
9850902 Compressor with a bypass port Paul Nemit, Jr., Angela Marie Comstock 2017-12-26
9754574 System and method for reducing noise within a refrigeration system Atul Singh, Satheesh Kulankara, Andrew John Graybill, Lewis M. Bass 2017-09-05