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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 2022 2022

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 Minkyu Oh 16 LG
2 Abhay Naik 14 Whirlpool
3 Xiaobing Zhu 12 Qingdao Haier Joint Stock Co.
#4 Abdulaziz A. AlNajjar 11 Saudi Arabian Oil
#5 Akram Hamed Mohamed Kamel 11 Saudi Arabian Oil
#6 Chomin LEE 11 Samsung
#7 Igor Vaisman 11 Booz Allen Hamilton
#8 Mahmoud Bahy Mahmoud Noureldin 11 Saudi Arabian Oil
#9 Yang Gu 11 Samsung
#10 Byoungmok KIM 10 Samsung
#11 Dongyeong Kim 10 Samsung
#12 Insun Yeo 10 LG
#13 Joshua Peters 10 Booz Allen Hamilton
#14 Kyukwan Choi 10 LG
#15 Lynne F. Hunter 10 Whirlpool
#16 Yonghyun KIM 10 LG
#17 Yountae Shin 10 Samsung
#18 Eric Scalf 9 Midea Group Co.
#19 Jinil HONG 9 LG
#20 Shitong Zha 9 Heatcraft Refrigeration Products
#21 Yezo Yun 9 LG
#22 Yonghan KIM 9 Samsung
#23 Byungkwan YANG 8 Samsung
#24 Jianjun Xue 8 Qingdao Haier Co.
#25 Takuro Yamada 8 Daikin Industries
#26 Chuan Cui 7 Qingdao Haier Co.
#27 Chiwoo Song 7 LG
#28 Jin Jeong 7 Samsung
#29 Jinyoung Song 7 Samsung
#30 Kyungseok Kim 7 LG
#31 Mingyao Xu 7 Sumitomo Heavy Industries
#32 Paul B. Allard 7 Whirlpool
#33 Seonil Yu 7 LG
#34 Taecheol Park 7 Samsung
#35 Yanqing Zhang 7 Qingdao Haier Co.
#36 Yongcheol Sa 7 LG
#37 Yongman SEO 7 Samsung
#38 Daewoong Kim 6 LG
#39 Eric Berg 6 Lennox Industries
#40 Hiroki ISHIYAMA 6 Mitsubishi Electric
#41 Hyunji PARK 6 LG
#42 Ilyoong Shin 6 LG
#43 Joseph V. Mantese 6 RTX (Raytheon)
#44 Kui Zhang 6 Changxin Memory Technologies
#45 Parmesh Verma 6 RTX (Raytheon)
#46 Parmesh Verma 6 Carrier
#47 Rakesh Goel 6 Lennox Industries
#48 Robert Stahl 6 Bsh Hausgeräte Gmbh
#49 Subramanyaravi Annapragada 6 Carrier
#50 Wei Xie 6 Carrier
#51 Curtis Christian Crane 5 Johnson Controls Technology
#52 Deukwon Lee 5 LG
#53 Deokhyun Youn 5 LG
#54 Geunhyung Lee 5 LG
#55 Hongsik Kwon 5 LG
#56 Il Sung Bae 5 Samsung
#57 Kook Jeong Seo 5 Samsung
#58 Kwanghyun Choi 5 LG
#59 Laila Ahmed Salim Bahammam 5 King Abdulaziz University
#60 Masahiro Honda 5 Daikin Industries
#61 Masaaki Takegami 5 Daikin Industries
#62 Qian Bao 5 Sumitomo Heavy Industries
#63 Sanjesh Kumar Pathak 5 Whirlpool
#64 Scott Alan Eastman 5 Otis Elevator
#65 Seungjin Choi 5 BOE
#66 Seongwoo Kim 5 Samsung
#67 Wonyeong Jung 5 LG
#68 Yinshan Feng 5 Carrier
#69 Akira Ishibashi 4 Mitsubishi Electric
#70 Alan Joseph Mitchell 4 Haier Us Appliance Solutions
#71 Bong Su Son 4 Samsung
#72 Brent Alden Junge 4 Haier Us Appliance Solutions
#73 Byoungjin Ryu 4 LG
#74 Carl A. Rupp 4 Snowie
#75 Chun-Wei Yang 4 Qingdao Haier Co.
#76 Daisuke KARUBE 4 Daikin Industries
#77 Daesung Lee 4 LG
#78 Dongseok Kim 4 LG
#79 Donghoon Lee 4 LG
#80 Dustin M. Miller 4 Whirlpool
#81 Falin Yang 4 Haier Smart Home Co.
#82 Frederick J. Cogswell 4 Carrier
#83 Gustavo Frattini 4 Whirlpool
#84 Hojun Jeong 4 Samsung
#85 Hongsheng Liu 4 Carrier
#86 Hyeunsik NAM 4 LG
#87 Ikuhiro Iwata 4 Daikin Industries
#88 James A. Davis 4 Kimberly-Clark Worldwide
#89 Jeonghyun Lee 4 Samsung
#90 Jeongman NAM 4 Samsung
#91 Josh Hanson 4 Electrolux Home Products
#92 Jorge Carlos Montalvo Sanchez 4 Bsh Hausgeräte Gmbh
#93 Junsoo Han 4 LG
#94 Kangsoo Byun 4 LG
#95 Katsuhiko Hayashi 4 Panasonic
#96 Kazuhiro Takahashi 4 Daikin Industries
#97 Kevin Knatt 4 True Manufacturing Co.
#98 Louis A. Wantland 4 Haier Us Appliance Solutions
#99 Luke Erickson 4 Rebound Technologies
#100 Mathias Sigl 4 Bsh Hausgeräte Gmbh

Top Companies

Rank ↑ Company ↕ Patents ↕
1 LG 158
2 Samsung 76
3 Whirlpool 55
#4 Carrier 51
#5 Mitsubishi Electric 47
#6 Daikin Industries 37
#7 Bsh Hausgeräte Gmbh 26
#8 Haier Us Appliance Solutions 26
#9 Lennox Industries 18
#10 Johnson Controls Tyco Ip Holdings Llp 17
#11 Heatcraft Refrigeration Products 16
#12 Sumitomo Heavy Industries 15
#13 Electrolux Home Products 13
#14 Haier Smart Home Co. 13
#15 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude 13
#16 Midea Group Co. 13
#17 Qingdao Haier Co. 11
#18 Saudi Arabian Oil 11
#19 Trane International 11
#20 Booz Allen Hamilton 10
#21 Denso 9
#22 Air Products And Chemicals 8
#23 Hill Phoenix 8
#24 Johnson Controls Technology 7
#25 Mitsubishi Heavy Industries Thermal Systems 7
#26 Praxair Technology 7
#27 Nidec Sankyo 6
#28 Phc Holdings 6
#29 ExxonMobil 6
#30 Emerson Climate Technologies 5
#31 Hamilton Sundstrand 5
#32 King Abdulaziz University 5
#33 Unknown 5
#34 Danfoss A/S 4
#35 Electrolux Do Brasil S.A. 4
#36 Hefei Hualing Co. 4
#37 Hefei Midea Refrigerator Co. 4
#38 Illinois Tool Works 4
#39 Purdue Research Foundation 4
#40 Qingdao Haier Refrigerator Co. 4
#41 Rebound Technologies 4
#42 Rolls-Royce North America 4
#43 Shinwa Controls Co. 4
#44 Snowie 4
#45 True Manufacturing Co. 4
#46 Xi'An Jiaotong University 4
#47 Bitzer Kühlmaschinenbau Gmbh 3
#48 Chart Energy & Chemicals 3
#49 Hanon Systems 3
#50 Nec 3
#51 Phillips Petroleum 3
#52 Qingdao Haier Air-Conditioning Electronic Co. 3
#53 Qingdao Haier Joint Stock Co. 3
#54 Rheem Manufacturing 3
#55 The Boeing 3
#56 Uop 3
#57 Panasonic 3
#58 Aktiebolaget Skf 2
#59 B/E Aerospace 2
#60 Bsh Home Appliances 2
#61 Climate Master 2
#62 Cold Chain Technologies 2
#63 Dometic Sweden Ab 2
#64 Ember Technologies 2
#65 Emz-Hanauer Gmbh & Co. Kgaa 2
#66 Energy Recovery 2
#67 Eppendorf Ag 2
#68 Evapco 2
#69 Gd Midea Heating & Ventilating Equipment Co. 2
#70 Hangzhou Sanhua Research Institute Co. 2
#71 Hefei Midea Heating & Ventilating Equipment Co. 2
#72 Hitachi-Johnson Controls Air Conditioning 2
#73 Hoshizaki America 2
#74 Hussmann 2
#75 Innovation Thru Energy Co 2
#76 Jgc 2
#77 Kabushiki Kaisha Toshiba 2
#78 Kiutra Gmbh 2
#79 Laird Thermal Systems 2
#80 Lg Innotek Co. 2
#81 Lineage Logistics 2
#82 Messer Industries Usa 2
#83 Nuovo Pignone Tecnologie S.R.L. 2
#84 Parker-Hannifin 2
#85 Pratt Retail Specialties 2
#86 Rolls-Royce Plc 2
#87 Schneider Electric It 2
#88 Sharp Kabushiki Kaisha 2
#89 Siemens Energy Global 2
#90 Sub-Zero Group 2
#91 Thales 2
#92 The Johns Hopkins University 2
#93 Thermo King 2
#94 Transform Sr Brands 2
#95 Union Engineering A/S 2
#96 Valeo Autosystemy Sp. Z O.O. 2
#97 Veir 2
#98 Vilter Manufacturing 2
#99 Walmart Apollo 2
#100 Weiss Technik Gmbh 2