{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Technologies", "item": "https://www.patentleaderboard.com/technologies"}, {"@type": "ListItem", "position": 3, "name": "Refrigeration and cooling", "item": "https://www.patentleaderboard.com/technology/refrigeration-and-cooling"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Refrigeration and cooling

Refrigeration and cooling Patent Leaders in 2019 2019

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 Alexander Benedict 12 Haier Us Appliance Solutions
2 Junsoo Han 10 LG
3 Younseok Lee 10 LG
#4 Michael Goodman Schroeder 9 Haier Us Appliance Solutions
#5 Alan Joseph Mitchell 8 Haier Us Appliance Solutions
#6 Brent Alden Junge 8 Haier Us Appliance Solutions
#7 Jin Jeong 8 Samsung
#8 Kenji Ueda 8 Dai Nippon Printing Co.
#9 Do Yun Jang 7 Samsung
#10 Hyunbum Kim 7 LG
#11 Mingyao Xu 7 Sumitomo Heavy Industries
#12 Seungje Park 7 LG
#13 Shinichi Wakamoto 7 Mitsubishi Electric
#14 Sung Jin Yang 7 Samsung
#15 Changwoan Yang 6 LG
#16 Dongseok Kim 6 LG
#17 Edward J. Trudeau, Jr. 6 Emerson Climate Technologies
#18 Haruyuki Nishijima 6 Denso
#19 Henry Edward Howard 6 Praxair Technology
#20 Jihyun Im 6 LG
#21 Jindong Kim 6 LG
#22 John K. Besore 6 GE
#23 Koji Yamashita 6 Mitsubishi Electric
#24 Minh Pham-Huy 6 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
#25 Naofumi Takenaka 6 Mitsubishi Electric
#26 Paul Kong 6 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
#27 Rakesh Goel 6 Lennox Industries
#28 Tanzer Yildizgoecer 6 Bsh Hausgeräte Gmbh
#29 Thomas D. Radcliff 6 Carrier
#30 Wendy Yip 6 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
#31 Wonyeong Jung 6 LG
#32 Yasuhiro Suzuki 6 Nissan Motor Co.
#33 Bong Su Son 5 Samsung
#34 Christian Muller 5 Cooltech Applications
#35 Chad J. Rotter 5 Whirlpool
#36 Chuan Zhang 5 Bsh Hausgeräte Gmbh
#37 Dimitri GOLUBEV 5 Linde Gmbh
#38 Hangbok Lee 5 LG
#39 Heejun Lee 5 LG
#40 Hung M. Pham 5 Emerson Climate Technologies
#41 Hyun-Il Lee 5 Samsung
#42 Ikkyu Lee 5 LG
#43 Jisu Park 5 LG
#44 Kangsoo Byun 5 LG
#45 Karl-Friedrich Laible 5 Bsh Hausgeräte Gmbh
#46 Kyungseok Kim 5 LG
#47 Lauren Nicole Platts 5 Haier Us Appliance Solutions
#48 Maulik R. Shelat 5 Praxair Technology
#49 Noriyuki MATSUKURA 5 Mitsubishi Heavy Industries Thermal Systems
#50 Patrick J. Boarman 5 Whirlpool
#51 Parmesh Verma 5 Carrier
#52 Qian Bao 5 Sumitomo Heavy Industries
#53 Robert H. Austin 5 Princeton University
#54 Sang Woon Jeon 5 Samsung
#55 Takeshi Hatomura 5 Mitsubishi Electric
#56 Takaaki Morie 5 Sumitomo Heavy Industries
#57 Yoomin Park 5 LG
#58 Yoshiyuki Yokoyama 5 Denso
#59 Akira Maeda 4 Yazaki
#60 Alain Briglia 4 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
#61 Axel Julio Ramm 4 Whirlpool
#62 Bagawathkumar Chellappan 4 Haier Us Appliance Solutions
#63 Bok Hyun Jang 4 Samsung
#64 Brian Michael Schork 4 Haier Us Appliance Solutions
#65 Byeong-Soo Kim 4 Samsung
#66 Charles Benjamin Miller 4 Haier Us Appliance Solutions
#67 Christian Schmid 4 HP
#68 Daoud A. Jandal 4 Trane International
#69 Daniel J. Schutte 4 Liebert
#70 Der-Kai Hung 4 Lennox Industries
#71 Douglas A. Ducote, Jr. 4 Chart Energy & Chemicals
#72 Emre Guentav 4 Bsh Hausgeräte Gmbh
#73 Eugene Suh 4 LG
#74 Feng Tan 4 University Of Electronic Science And Technology Of China
#75 Gerald McDonnell 4 Inertech Ip
#76 Guillermo Enrique Morales Espejel 4 Aktiebolaget Skf
#77 Hanhyo Kim 4 LG
#78 Haibo Tao 4 Qingdao Haier Joint Stock Co.
#79 Hans Wallin 4 Aktiebolaget Skf
#80 Heayoun Sul 4 LG
#81 Huan Zhao 4 Skyworks Solutions
#82 Hyunki Kim 4 LG
#83 Hyun Joo Kim 4 Samsung
#84 Jack Leon Esformes 4 Carrier
#85 Jaeyoul Lee 4 LG
#86 Jeonghwan Kim 4 LG
#87 Jerry M. Visin 4 Whirlpool
#88 Junya Minami 4 Daikin Industries
#89 Jungkyu Son 4 LG
#90 Kazunori Hatakeyama 4 Mitsubishi Electric
#91 Kazuya Watanabe 4 Aisin Seiki Kabushiki Kaisha
#92 Kevin Knatt 4 True Manufacturing Co.
#93 Kihyun Park 4 LG
#94 Kyeongyun Kim 4 LG
#95 Kyoung Ki Park 4 Samsung
#96 Marcel Christians 4 Carrier
#97 Mario Kammerhuber 4 Aktiebolaget Skf
#98 Mark E. Thomas 4 Whirlpool
#99 Minsub Kim 4 LG
#100 Mohamed Alshourbagy 4 Whirlpool

Top Companies

Rank ↑ Company ↕ Patents ↕
1 LG 153
2 Samsung 64
3 Bsh Hausgeräte Gmbh 63
#4 Whirlpool 58
#5 Mitsubishi Electric 50
#6 Haier Us Appliance Solutions 46
#7 Carrier 45
#8 Trane International 29
#9 Denso 25
#10 Daikin Industries 24
#11 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude 24
#12 Lennox Industries 23
#13 Johnson Controls Technology 17
#14 Dongbu Daewoo Electronics 15
#15 Emerson Climate Technologies 15
#16 Linde Gmbh 15
#17 Sumitomo Heavy Industries 15
#18 Praxair Technology 13
#19 Thermo King 12
#20 Panasonic 12
#21 Electrolux Home Products 11
#22 Heatcraft Refrigeration Products 11
#23 ExxonMobil 11
#24 Mitsubishi Heavy Industries Thermal Systems 10
#25 Danfoss A/S 9
#26 Gree Electric Appliances, Inc. Of Zhuhai 9
#27 Mahle International Gmbh 9
#28 Qingdao Haier Joint Stock Co. 8
#29 Ford 8
#30 Air Products And Chemicals 7
#31 Midea Group Co. 6
#32 True Manufacturing Co. 6
#33 Vertiv 6
#34 Walmart Apollo 6
#35 B/E Aerospace 5
#36 Cooltech Applications 5
#37 Hyundai Motor 5
#38 Unknown 5
#39 GE 5
#40 Agc 4
#41 Aktiebolaget Skf 4
#42 Black & Veatch 4
#43 Central Glass Company, Limited 4
#44 Chart Energy & Chemicals 4
#45 Fluor Technologies 4
#46 Fujikoki 4
#47 Gd Midea Heating & Ventilating Equipment Co. 4
#48 Gentherm Incorporated 4
#49 Hamilton Sundstrand 4
#50 Hanon Systems 4
#51 Hefei Hualing Co. 4
#52 Hill Phoenix 4
#53 Toyota Central R&D Labs 4
#54 Sanden 4
#55 Shell Oil Compny 4
#56 The Armor All/Stp Products 4
#57 Honeywell 4
#58 Bechtel Hydrocarbon Technology Solutions 3
#59 Bitzer Kühlmaschinenbau Gmbh 3
#60 Bsh Home Appliances 3
#61 Dae Chang Co. 3
#62 Daikin Applied Americas 3
#63 Doubleday Acquisitions 3
#64 Dresser-Rand 3
#65 Fuji Electric Co. 3
#66 Fujitsu General Limited 3
#67 Hefei Midea Refrigerator Co. 3
#68 Hisense Ronshen (Guangdong) Refrigerator Co. 3
#69 Hitachi-Johnson Controls Air Conditioning 3
#70 Hussmann 3
#71 Keihin Thermal Technology 3
#72 Liebherr-Hausgeräte Lienz Gmbh 3
#73 Liebherr-Hausgeräte Ochsenhausen Gmbh 3
#74 Mayekawa Mfg. Co. 3
#75 Rheem Manufacturing 3
#76 Snowie 3
#77 Sub-Zero Group 3
#78 Tgk Co. 3
#79 York (Wuxi) Air Conditioning And Refrigeration Co. 3
#80 Amazon 2
#81 Applied Materials 2
#82 Alltemp Products Company Limited 2
#83 Ambassador Asset Management Limited 2
#84 Arcelik Anonim Sirketi 2
#85 B Medical System S.A.R.L 2
#86 Bosch Automotive Service Solutions 2
#87 Butts Properties 2
#88 Coway Co. 2
#89 Daikin Europe N.V. 2
#90 Efficient Energy Gmbh 2
#91 Embraco Indústria De Compressores E Soluções Em Refrigeração Ltda. 2
#92 Emerson Climate Technologies Retail Solutions 2
#93 Emz-Hanauer Gmbh & Co. Kgaa 2
#94 Follett 2
#95 Hall Labs 2
#96 Hangzhou Sanhua Research Institute Co. 2
#97 Hudson Technologies 2
#98 Inertech Ip 2
#99 Kia Motors 2
#100 KFUPM 2