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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 2017 2017

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 Koji Yamashita 22 Mitsubishi Electric
2 Patrick J. Boarman 17 Whirlpool
3 Hiroyuki Morimoto 13 Mitsubishi Electric
#4 Mingyao Xu 11 Sumitomo Heavy Industries
#5 Naofumi Takenaka 11 Mitsubishi Electric
#6 Steven J. Kuehl 11 Whirlpool
#7 Guolian Wu 10 Whirlpool
#8 Brian K. Culley 9 Whirlpool
#9 Fumitake Unezaki 8 Mitsubishi Electric
#10 Gregory Gene Hortin 8 Whirlpool
#11 Kazunori Hatakeyama 8 Mitsubishi Electric
#12 Shinichi Wakamoto 8 Mitsubishi Electric
#13 Takeshi Hatomura 8 Mitsubishi Electric
#14 Andrew D. Litch 7 Whirlpool
#15 Jaime A. Valencia 7 ExxonMobil
#16 Maged Ahmed El-Shaarawi 7 KFUPM
#17 Nihat O. Cur 7 Whirlpool
#18 Shinsaku Kusube 7 Mitsubishi Electric
#19 Shinya Matsushita 7 Mitsubishi Electric
#20 Sung Cheol Kang 7 Samsung
#21 Etsuhisa Yamada 6 Denso
#22 Haruyuki Nishijima 6 Denso
#23 Hyoungkeun Lim 6 LG
#24 Jae Koog An 6 Samsung
#25 Jangseok Lee 6 LG
#26 Katsuhiro Ishimura 6 Mitsubishi Electric
#27 Mark E. Thomas 6 Whirlpool
#28 Rakesh Goel 6 Lennox Industries
#29 Tomoichiro Tamura 6 Panasonic
#30 Tsutomu Makino 6 Mitsubishi Electric
#31 Woonkyu Seo 6 LG
#32 Alberto R. Gomes 5 Whirlpool
#33 Ayoung Choo 5 LG
#34 Bunki Kawano 5 Panasonic
#35 Dean A. Martin 5 Whirlpool
#36 Eric Berg 5 Lennox Industries
#37 Hung M. Pham 5 Emerson Climate Technologies
#38 James W. Kendall 5 Whirlpool
#39 Jaeyoul Lee 5 LG
#40 Jin Jeong 5 Samsung
#41 John D. Bittner 5 Hill Phoenix
#42 John Mak 5 Fluor Technologies
#43 Kenichi Suzuki 5 Sanden
#44 Koji Azuma 5 Mitsubishi Electric
#45 Kyukwan Choi 5 LG
#46 Lindsey Ann Wohlgamuth 5 Whirlpool
#47 Michael Alexander Benedict 5 Haier Us Appliance Solutions
#48 Myungjin Chung 5 LG
#49 Naoki Watanabe 5 Hitachi
#50 Nilton Carlos Bertolini 5 Electrolux Home Products
#51 Osamu Morimoto 5 Mitsubishi Electric
#52 Satoshi Kawano 5 Daikin Industries
#53 Sangbong Lee 5 LG
#54 Sang Hyun Park 5 Samsung
#55 Shogo Tamaki 5 Mitsubishi Electric
#56 Siyeon An 5 LG
#57 Yuusuke Fujimoto 5 Daikin Industries
#58 Yuji Motomura 5 Mitsubishi Electric
#59 Andrew M. Tenbarge 4 Whirlpool
#60 Arthur Darde 4 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
#61 Bill J. Koons 4 Whirlpool
#62 Brent Alden Junge 4 Haier Us Appliance Solutions
#63 Byoung Mok Kim 4 Samsung
#64 Cass Khoo 4 —
#65 Chad J. Rotter 4 Whirlpool
#66 Daesung Lee 4 LG
#67 Daisuke Shimamoto 4 Mitsubishi Electric
#68 Dylan M. Lundberg 4 Bosch Automotive Service Solutions
#69 Hyunbum Kim 4 LG
#70 Ikkyu Lee 4 LG
#71 Jeonghwan Kim 4 LG
#72 Jihyun Im 4 LG
#73 Jindong Kim 4 LG
#74 Kazutoshi Nishizawa 4 Nippondenso Co.
#75 Kazuyoshi Shinozaki 4 Mitsubishi Electric
#76 Kenta Yuasa 4 Mitsubishi Electric
#77 Kosuke Tanaka 4 Tdk
#78 Kwanhyung Kim 4 LG
#79 Masahiro Oka 4 Daikin Industries
#80 Mark Julian Roberts 4 Air Products And Chemicals
#81 Makoto Saito 4 Mitsubishi
#82 Myoungju Lee 4 LG
#83 Parmesh Verma 4 Carrier
#84 Samnyol Hong 4 LG
#85 Seung Yong Yang 4 Samsung
#86 Shota Kamiya 4 Mitsubishi Electric
#87 Shinya Matsuoka 4 Daikin Industries
#88 Shinichi Yatsuzuka 4 Denso
#89 Shitong Zha 4 Heatcraft Refrigeration Products
#90 So Nomoto 4 Mitsubishi Electric
#91 Sungdu Kwon 4 LG
#92 Sung Jin Yang 4 Samsung
#93 Takeshi Kaneko 4 Tgk Co.
#94 Takahiro Matsuura 4 Canon
#95 Takaaki Morie 4 Sumitomo Heavy Industries
#96 Thomas D. Radcliff 4 Carrier
#97 Todd J. Tunzi 4 Whirlpool
#98 Tsuyoshi Morimoto 4 Denso
#99 William L. Kopko 4 Johnson Controls Technology
#100 Yanggyu Kim 4 LG

Top Companies

Rank ↑ Company ↕ Patents ↕
1 LG 95
2 Whirlpool 91
3 Mitsubishi Electric 84
#4 Samsung 53
#5 Daikin Industries 34
#6 Haier Us Appliance Solutions 28
#7 Carrier 25
#8 Sumitomo Heavy Industries 20
#9 Denso 19
#10 Bsh Hausgeräte Gmbh 18
#11 Lennox Industries 18
#12 Trane International 17
#13 Panasonic 16
#14 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude 15
#15 ExxonMobil 13
#16 Johnson Controls Technology 12
#17 Dongbu Daewoo Electronics 11
#18 Electrolux Home Products 11
#19 Mahle International Gmbh 11
#20 Thermo King 10
#21 Arcelik Anonim Sirketi 8
#22 KFUPM 8
#23 Sanden 8
#24 Hill Phoenix 7
#25 Praxair Technology 7
#26 RTX (Raytheon) 7
#27 Phillips Petroleum 6
#28 Air Products And Chemicals 5
#29 Danfoss A/S 5
#30 Emerson Climate Technologies 5
#31 Fluor Technologies 5
#32 Keihin Thermal Technology 5
#33 Linde Gmbh 5
#34 Tgk Co. 5
#35 Bosch Automotive Service Solutions 4
#36 Daikin Applied Americas 4
#37 Gentherm Incorporated 4
#38 Hussmann 4
#39 Koniniklijke Philips N.V. 4
#40 Liebert 4
#41 Mahle Behr Gmbh & Co. Kg 4
#42 Robert Bosch Gmbh 4
#43 Valeo Systemes Thermiques 4
#44 Ford 4
#45 Airbus Operations Limited 3
#46 Aisin Seiki Kabushiki Kaisha 3
#47 Ambassador Asset Management Limited 3
#48 CEA 3
#49 Efficient Energy Gmbh 3
#50 Fujitsu General Limited 3
#51 Hanon Systems 3
#52 Johnson Controls-Hitachi Air Conditioning Technology (Hong Kong) Limited 3
#53 Technip France 3
#54 Toshiba Carrier 3
#55 Unknown 3
#56 GE 3
#57 Aht Cooling Systems Gmbh 2
#58 Astronautics Corporation Of America 2
#59 Black & Veatch 2
#60 Coldway 2
#61 Ebullient 2
#62 Emc Ip Holding Company 2
#63 Empire Technology Development 2
#64 Emz-Hanauer Gmbh & Co. Kgaa 2
#65 Fujitsu Limited 2
#66 Hangzhou Sanhua Research Institute Co. 2
#67 Heatcraft Refrigeration Products 2
#68 Hefei Hualing Co. 2
#69 Hefei Midea Refrigerator Co. 2
#70 Hisense Ronshen (Guangdong) Refrigerator Co. 2
#71 Illinois Tool Works 2
#72 Intirion 2
#73 Toyota Central R&D Labs 2
#74 Kobe Steel 2
#75 Kooltronic 2
#76 KAIST 2
#77 Liconic Ag 2
#78 Liddup 2
#79 Linde Engineering North America 2
#80 Major Bravo Limited 2
#81 Mitsubishi Electric 2
#82 Modine Manufacturing 2
#83 Nissan Motor Co. 2
#84 Oxicool 2
#85 Phononic Devices 2
#86 Pilot Energy Solutions 2
#87 Quantum Design International 2
#88 Reddy Ice Technology 2
#89 Rocky Research 2
#90 Saipem S.A. 2
#91 Shell Oil Compny 2
#92 Smc 2
#93 Supercooler Technologies 2
#94 The Boeing 2
#95 The Sure Chill Company Limited 2
#96 Tippmann Companies 2
#97 Tokitae 2
#98 True Manufacturing Co. 2
#99 Uop 2
#100 Winway Technology Co. 2