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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 2020 2020

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 Michael Goodman Schroeder 16 Haier Us Appliance Solutions
2 Dongjeong Kim 13 LG
3 Hongsik Kwon 9 LG
#4 Mark Julian Roberts 9 Air Products And Chemicals
#5 Minsub Kim 9 LG
#6 Rakesh Goel 9 Lennox Industries
#7 Shitong Zha 9 Heatcraft Refrigeration Products
#8 Xiaobing Zhu 9 Qingdao Haier Joint Stock Co.
#9 Yoomin Park 9 LG
#10 Bin Fei 8 Haier Smart Home Co.
#11 Brent Alden Junge 8 Haier Us Appliance Solutions
#12 Eric Scalf 8 Midea Group Co.
#13 Gowri Krishnamurthy 8 Air Products And Chemicals
#14 Jaehoon Shin 8 LG
#15 Karl-Friedrich Laible 8 Bsh Hausgeräte Gmbh
#16 Wonyeong Jung 8 LG
#17 Abhay Naik 7 Whirlpool
#18 Changwoan Yang 7 LG
#19 Deokhyun Youn 7 LG
#20 Feifei Qi 7 Qingdao Haier Joint Stock Co.
#21 Jin Jeong 7 Samsung
#22 Jianru Liu 7 Qingdao Haier Joint Stock Co.
#23 Jungjae Lee 7 LG
#24 Kosuke Tanaka 7 Tdk
#25 Lisheng Ji 7 Qingdao Haier Joint Stock Co.
#26 Lynne F. Hunter 7 Whirlpool
#27 Nilton Carlos Bertolini 7 Electrolux Home Products
#28 Paul W. Belanger 7 Praxair Technology
#29 Patrick J. Boarman 7 Whirlpool
#30 Calin Roatis 6 Triteq Lock And Security
#31 Chuan Zhang 6 Bsh Hausgeräte Gmbh
#32 Dongseok Kim 6 LG
#33 Donghoon Lee 6 LG
#34 Guang X. Chen 6 Praxair Technology
#35 Haibo Tao 6 Qingdao Haier Joint Stock Co.
#36 Heayoun Sul 6 LG
#37 Hyunbum Kim 6 LG
#38 Hyoungkeun Lim 6 LG
#39 Jan Prins 6 Danfoss A/S
#40 Jihyun Im 6 LG
#41 Jinsung Kim 6 LG
#42 John P. Ricotta 6 Praxair Technology
#43 Kirk F. Larson 6 Praxair Technology
#44 Koji Naito 6 Hitachi-Johnson Controls Air Conditioning
#45 Kristian Fredslund 6 Danfoss A/S
#46 Lorraine J. Westlake 6 Whirlpool
#47 Parmesh Verma 6 Carrier
#48 Richard D. Lenz 6 Praxair Technology
#49 Senol Temizkan 6 Bsh Hausgeräte Gmbh
#50 Steven C. Brown 6 Praxair Technology
#51 Sunghee KANG 6 LG
#52 Tanzer Yildizgoecer 6 Bsh Hausgeräte Gmbh
#53 William Denison 6 Triteq Lock And Security
#54 Xueli Cheng 6 Qingdao Haier Joint Stock Co.
#55 Alan Joseph Mitchell 5 Haier Us Appliance Solutions
#56 Bong Su Son 5 Samsung
#57 Daejin Choi 5 LG
#58 Do Yun Jang 5 Samsung
#59 Frede Schmidt 5 Danfoss A/S
#60 John K. Besore 5 GE
#61 Jorge Carlos Montalvo Sanchez 5 Bsh Hausgeräte Gmbh
#62 Kangsoo Byun 5 LG
#63 Kook Jeong Seo 5 Samsung
#64 Larry Baxter 5 Sustainable Energy Solutions
#65 Mark W. Wilson 5 Midea Group Co.
#66 Minkyu Oh 5 LG
#67 Neil M. Prosser 5 Praxair Technology
#68 Ralph C. Longsworth 5 Sumitomo (Shi) Cryogenics Of America
#69 Robert A. Chopko 5 Carrier
#70 Ryota AKAIWA 5 Mitsubishi Electric
#71 Sangmyung Lee 5 LG
#72 Yasuhiro Suzuki 5 Nissan Motor Co.
#73 Younseok Lee 5 LG
#74 Alain Guillard 4 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
#75 Brian K. Culley 4 Whirlpool
#76 Brian R. Kromer 4 Praxair Technology
#77 Chanuk KANG 4 LG
#78 Chunyang Li 4 Qingdao Haier Joint Stock Co.
#79 Enpin Xia 4 Qingdao Haier Joint Stock Co.
#80 Eric J. Dherde 4 Whirlpool
#81 Florian Moertl 4 Bsh Hausgeräte Gmbh
#82 Giorgio Rusignuolo 4 Carrier
#83 Guolian Wu 4 Whirlpool
#84 Hank M. Hudson 4 Ortloff Engineers
#85 Hans Gerd Keller 4 Bsh Hausgeräte Gmbh
#86 Hao Zhang 4 Qingdao Haier Joint Stock Co.
#87 Hirotoshi Kihara 4 Yanmar Holdings Co.
#88 Hosan Kim 4 LG
#89 Hyuk KWON 4 LG
#90 James R. Handley 4 Praxair Technology
#91 Jeehoon Choi 4 LG
#92 Jeremy D. Faust 4 Praxair Technology
#93 Jinho SON 4 LG
#94 Joe T. Lynch 4 Ortloff Engineers
#95 John Mak 4 Fluor Technologies
#96 John D. Wilkinson 4 Ortloff Engineers
#97 Junsoo Han 4 LG
#98 Jung-Chun Yeh 4 Foxconn
#99 Kevin Knatt 4 True Manufacturing Co.
#100 Kenneth Bank Madsen 4 Danfoss A/S

Top Companies

Rank ↑ Company ↕ Patents ↕
1 LG 148
2 Whirlpool 65
3 Samsung 52
#4 Mitsubishi Electric 51
#5 Haier Us Appliance Solutions 50
#6 Bsh Hausgeräte Gmbh 46
#7 Carrier 46
#8 Johnson Controls Technology 25
#9 Trane International 19
#10 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude 18
#11 Lennox Industries 18
#12 Qingdao Haier Joint Stock Co. 18
#13 Heatcraft Refrigeration Products 16
#14 Midea Group Co. 15
#15 Daikin Industries 14
#16 Electrolux Home Products 13
#17 Denso 12
#18 Praxair Technology 12
#19 Danfoss A/S 11
#20 Emerson Climate Technologies 11
#21 Air Products And Chemicals 10
#22 Hitachi-Johnson Controls Air Conditioning 9
#23 Linde Gmbh 8
#24 Phc Holdings 7
#25 Shell Oil Compny 7
#26 IBM 7
#27 Bsh Home Appliances 6
#28 Daikin Applied Americas 6
#29 Thermo King 6
#30 Triteq Lock And Security 6
#31 Panasonic 6
#32 Arcelik Anonim Sirketi 5
#33 Daeyeong E&B Co. 5
#34 Hamilton Sundstrand 5
#35 Mahle International Gmbh 5
#36 Mitsubishi Heavy Industries Thermal Systems 5
#37 Sumitomo Heavy Industries 5
#38 Sumitomo (Shi) Cryogenics Of America 5
#39 GE 5
#40 Fluor Technologies 4
#41 Franke Technology And Trademark 4
#42 Hall Labs 4
#43 Hisense Ronshen (Guangdong) Refrigerator Co. 4
#44 Foxconn 4
#45 KFUPM 4
#46 Liebherr-Hausgeräte Lienz Gmbh 4
#47 Liebherr-Hausgeräte Ochsenhausen Gmbh 4
#48 Nidec Sankyo 4
#49 Ortloff Engineers 4
#50 Reflect Scientific 4
#51 Robert Bosch Gmbh 4
#52 True Manufacturing Co. 4
#53 Ford 4
#54 1304338 Alberta 3
#55 1304342 Alberta 3
#56 Audi Ag 3
#57 Bosch Automotive Service Solutions 3
#58 Dometic Sweden Ab 3
#59 Dunan Microstaq 3
#60 Efficient Energy Gmbh 3
#61 Fu Tai Hua Industry (Shenzhen) Co. 3
#62 Global Cooling 3
#63 Hefei Hualing Co. 3
#64 Hefei Midea Refrigerator Co. 3
#65 Hill Phoenix 3
#66 Jgc 3
#67 Jtekt 3
#68 Kason Industries 3
#69 Regal Beloit America 3
#70 Rolls-Royce Plc 3
#71 Snap-On Incorporated 3
#72 Technip France 3
#73 University of Florida 3
#74 Unknown 3
#75 Walmart Apollo 3
#76 Yanmar Holdings Co. 3
#77 ExxonMobil 3
#78 Thermo Fisher 3
#79 7Ac Technologies 2
#80 Bergstrom 2
#81 Bitzer Kühlmaschinenbau Gmbh 2
#82 Chart Energy & Chemicals 2
#83 Chicony Power Technology Co. 2
#84 Daewoo Shipbuilding & Marine Engineering Co. 2
#85 Danby Products Limited 2
#86 Denso International America 2
#87 Electrolux Appliances Aktiebolag 2
#88 Ember Technologies 2
#89 Emz-Hanauer Gmbh & Co. Kgaa 2
#90 Fbd Partnership 2
#91 Forced Physics 2
#92 Hanon Systems 2
#93 Hyundai Motor 2
#94 Kabushiki Kaisha Toshiba 2
#95 Kia Motors 2
#96 Laird Thermal Systems 2
#97 Mainstream Engineering 2
#98 Messer Industries Usa 2
#99 Mexichem Fluor S.A. De C.V. 2
#100 Oxicool 2