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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Refrigeration and cooling

Refrigeration and cooling Patent Leaders in 2025 2025

Primary CPC class F25 · Section F

Rankings count each patent once by its primary Cooperative Patent Classification. All-time pages aggregate the full database; year pages use patent grant year.

Recent years: 2016201720182019202020212022202320242025

Patents per Year

Patents granted per year, 1996 to 2025Bar chart with a peak of 1,358 patents in 2019.peak 1,3581996: 397 patents19961997: 383 patents1998: 491 patents1999: 509 patents19992000: 493 patents2001: 561 patents2002: 547 patents20022003: 546 patents2004: 433 patents2005: 368 patents20052006: 462 patents2007: 500 patents2008: 327 patents20082009: 344 patents2010: 486 patents2011: 493 patents20112012: 501 patents2013: 663 patents2014: 641 patents20142015: 748 patents2016: 876 patents2017: 1,147 patents20172018: 1,139 patents2019: 1,358 patents2020: 1,275 patents20202021: 1,031 patents2022: 1,155 patents2023: 1,082 patents20232024: 1,219 patents2025: 1,121 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Deokhyun Youn 19 LG
2 Donghoon Lee 19 LG
3 Wonyeong Jung 18 LG
#4 Wookyong Lee 18 LG
#5 Jinil HONG 14 LG
#6 Seungseob Yeom 14 LG
#7 Yonghyun KIM 14 LG
#8 Sunggyun Son 12 LG
#9 Yongjun Bae 12 LG
#10 Peng LYU 11 Haier Smart Home Co.
#11 Abhay Naik 10 Whirlpool
#12 Chongyoung Park 10 LG
#13 Daewoong Kim 10 LG
#14 Brent Alden Junge 9 Haier Us Appliance Solutions
#15 Hao Zhang 9 Qingdao Haier Joint Stock Co.
#16 Jiaming Li 9 Haier Smart Home Co.
#17 Paul B. Allard 9 Whirlpool
#18 Clayton Alexander 8 Ember Technologies
#19 Daekil KANG 8 LG
#20 Peng Li 8 Haier Smart Home Co.
#21 Sanjesh Kumar Pathak 8 Whirlpool
#22 Seongmin Song 8 LG
#23 Zhanpeng CUI 8 Haier Smart Home Co.
#24 Hao Zhang 7 —
#25 Kevin Knatt 7 True Manufacturing Co.
#26 Michael Goodman Schroeder 7 Haier Us Appliance Solutions
#27 Rahul Subhash Chhajed 7 Whirlpool
#28 Sanket Vivek Phalak 7 Whirlpool
#29 Shitong Zha 7 Heatcraft Refrigeration Products
#30 Yoshiki YAMANOI 7 Daikin Industries
#31 Alan Joseph Mitchell 6 Haier Us Appliance Solutions
#32 Christopher Thomas Wakeham 6 Ember Technologies
#33 Daren John Leith 6 Ember Technologies
#34 Kumiko Saeki 6 Daikin Industries
#35 Kwanghyun Choi 6 LG
#36 Lisheng Ji 6 Qingdao Haier Joint Stock Co.
#37 Mikko Juhani Timperi 6 Ember Technologies
#38 Sangmyung Lee 6 LG
#39 Sunghee KANG 6 LG
#40 Sungwook Kim 6 Samsung
#41 Wenchun Wang 6 Haier Smart Home Co.
#42 Yongwon DONG 6 LG
#43 Abinash Sarma 5 Whirlpool
#44 Bart Andrew Nuss 5 Haier Us Appliance Solutions
#45 Byron C. Owens 5 Vesture
#46 Byungkwan YANG 5 Samsung
#47 Calin Roatis 5 Triteq Lock And Security
#48 Chanuk KANG 5 LG
#49 Eiji Kumakura 5 Daikin Industries
#50 Enpin Xia 5 Qingdao Haier Joint Stock Co.
#51 Eric R. Coyle 5 Parker-Hannifin
#52 Hoyoun Lee 5 LG
#53 Hyoungkeun Lim 5 LG
#54 Jacob William Emmert 5 Ember Technologies
#55 Junghun Lee 5 Samsung
#56 Kihwang KIM 5 LG
#57 Lynne F. Hunter 5 Whirlpool
#58 Marcel Bögger Lessa 5 Whirlpool
#59 Rahul Mulinti 5 Ember Technologies
#60 Sangbok Choi 5 LG
#61 Samuel Vincent DuPlessis 5 Haier Us Appliance Solutions
#62 Sanggyun Lee 5 —
#63 Seokjun Yun 5 LG
#64 Sunil S. Ekshinge 5 Whirlpool
#65 William Denison 5 Triteq Lock And Security
#66 Youngjun Lee 5 LG
#67 Youngmin YOU 5 Samsung
#68 Alberto R. Gomes 4 Whirlpool
#69 Alfred Scott QUEEN 4 Phasestor
#70 Andrew M. Welch 4 Copeland Lp
#71 Atsushi Yoshimi 4 Daikin Industries
#72 Ayman Jamal Alazazmeh 4 KFUPM
#73 Bin Fei 4 Haier Smart Home Co.
#74 Corban I. Tillemann-Dick 4 Iris Engines
#75 Dimitri GOLUBEV 4 Linde Gmbh
#76 Douglas Cole 4 Heatcraft Refrigeration Products
#77 Douglas A. Ducote, Jr. 4 Chart Energy & Chemicals
#78 Dong Hwi Kim 4 Samsung
#79 Dustin M. Miller 4 Whirlpool
#80 Eric Scalf 4 Midea Group Co.
#81 Eunjun Cho 4 LG
#82 Euddeum Hong 4 LG
#83 Fabien Durand 4 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
#84 Giulia Marinello 4 Whirlpool
#85 Gustavo Spezzia 4 Whirlpool
#86 Hui LIU 4 Haier Smart Home Co.
#87 Hyuk KWON 4 LG
#88 Hyunji PARK 4 LG
#89 Ikuhiro Iwata 4 Daikin Industries
#90 Inyong Hwang 4 LG
#91 Jinyoung Song 4 Samsung
#92 John Mak 4 Fluor Technologies
#93 Ki Hwang Kim 4 LG
#94 Kyle J. Thompson 4 MIT
#95 Mitsuyuki Shirata 4 Phc Holdings
#96 Paul Thomas Gurney 4 Ember Technologies
#97 Sangho JUNG 4 LG
#98 Stephanos Kyriacou 4 Haier Us Appliance Solutions
#99 Sung-Hee Kang 4 LG
#100 Takuro Yamada 4 Daikin Industries

Top Companies

Rank ↑ Company ↕ Patents ↕
1 LG 201
2 Samsung 53
3 Daikin Industries 40
#4 Whirlpool 39
#5 Haier Smart Home Co. 32
#6 Qingdao Haier Refrigerator Co. 28
#7 Carrier 26
#8 Haier Us Appliance Solutions 20
#9 Mitsubishi Electric 15
#10 Tyco Fire & Security Gmbh 13
#11 Heatcraft Refrigeration Products 10
#12 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude 10
#13 Bsh Hausgeräte Gmbh 8
#14 Midea Group Co. 8
#15 True Manufacturing Co. 8
#16 Panasonic 8
#17 Chongqing Haier Refrigeration Electric Appliance Co. 7
#18 Copeland Lp 7
#19 Phc Holdings 7
#20 Hanon Systems 6
#21 Trane International 6
#22 Electrolux Consumer Products 5
#23 Linde Gmbh 5
#24 Yeti Coolers 5
#25 Carrier Japan 4
#26 Chart Energy & Chemicals 4
#27 Danfoss A/S 4
#28 Fluor Technologies 4
#29 Hefei Hualing Co. 4
#30 Hefei Midea Refrigerator Co. 4
#31 KFUPM 4
#32 Mayekawa Mfg. Co. 4
#33 Qingdao Hater Special Refrigerator Co. 4
#34 Rheem Manufacturing 4
#35 Triteq Lock And Security 4
#36 Honeywell 4
#37 Air Products And Chemicals 3
#38 Daikin Europe N.V. 3
#39 Electrolux Appliances Aktiebolag 3
#40 Energy Recovery 3
#41 Fujitsu General Limited 3
#42 Gree Electric Appliances, Inc. Of Zhuhai 3
#43 Hill Phoenix 3
#44 Hisense Ronshen (Guangdong) Refrigerator Co. 3
#45 Parker-Hannifin 3
#46 Phasestor 3
#47 York Guangzhou Air Conditioning And Refrigeration Co. 3
#48 Applied Materials 2
#49 Black & Decker 2
#50 Bluenix Co. 2
#51 Carel Industries S.P.A. 2
#52 Denso 2
#53 Eagle Industry Co. 2
#54 Ember Lifesciences 2
#55 Emz-Hanauer Gmbh & Co. Kgaa 2
#56 Enflex 2
#57 Espec 2
#58 Ffi Ionix Ip 2
#59 Gen-Probe Incorporated 2
#60 Grad Aps 2
#61 Hamilton Sundstrand 2
#62 Hettich-Oni Gmbh & Co. Kg 2
#63 Hisense Visual Technology Co. 2
#64 Illinois Tool Works 2
#65 Jiangsu Sujing Group Co. 2
#66 Johnson Controls Light Commercial Ip Gmbh 2
#67 Kiutra Gmbh 2
#68 Kobe Steel 2
#69 Messer Se & Co. Kgaa 2
#70 Oneevent Technologies 2
#71 Oxford Instruments Nanotechnology Tools Limited 2
#72 Pratt Retail Specialties 2
#73 Praxair Technology 2
#74 Qingdao Haier Special Refrigeration Electric Appliance Co. 2
#75 Quantinuum 2
#76 Rolls-Royce North America 2
#77 Saudi Arabian Oil 2
#78 Snowie 2
#79 The Boeing 2
#80 The Chemours Company Fc 2
#81 US Air Force 2
#82 Unknown 2
#83 York (Wuxi) Air Conditioning And Refrigeration Co. 2
#84 GE 2
#85 General Motors 2
#86 Toyota 2
#87 AMD 1
#88 Apple 1
#89 Airgas 1
#90 Allied Air Enterprises 1
#91 Alltemp Products Company Limited 1
#92 Ambassador Asset Management Limited 1
#93 Anthony 1
#94 Aqua Co. 1
#95 Arkema France 1
#96 B/E Aerospace 1
#97 Biosafe Sa 1
#98 Bluexthermal 1
#99 B Medical System S.A.R.L 1
#100 Brumate 1