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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Heating and ventilation

Heating and ventilation Patent Leaders in 2019 2019

Primary CPC class F24 · 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 1,516 patents in 2023.peak 1,5161996: 366 patents19961997: 364 patents1998: 474 patents1999: 542 patents19992000: 521 patents2001: 553 patents2002: 458 patents20022003: 445 patents2004: 444 patents2005: 415 patents20052006: 427 patents2007: 359 patents2008: 313 patents20082009: 311 patents2010: 468 patents2011: 470 patents20112012: 576 patents2013: 635 patents2014: 832 patents20142015: 916 patents2016: 903 patents2017: 1,100 patents20172018: 1,229 patents2019: 1,459 patents2020: 1,491 patents20202021: 1,415 patents2022: 1,460 patents2023: 1,516 patents20232024: 1,496 patents2025: 1,486 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Jieun Choi 12 LG
2 Jongsu Lee 10 LG
3 Kunyoung Lee 10 LG
#4 Kyoungho Lee 10 LG
#5 Paul Bryan Cadima 10 Haier Us Appliance Solutions
#6 Sanghyuk Son 10 LG
#7 Taeyoon Kim 10 LG
#8 Yoky Matsuoka 9 Google
#9 Rakesh Goel 8 Lennox Industries
#10 David J. Emmons 7 Ademco
#11 Eric Perez 7 Lennox Industries
#12 Nicholas Cizek 7 Malta
#13 Philippe Larochelle 7 Malta
#14 Robert B. Laughlin 7 Malta
#15 Chungook Chong 6 LG
#16 David Quam 6 Ademco
#17 Hyeong Joon Seo 6 Samsung
#18 Jungwoo Lee 6 LG
#19 Temple Chadwick 6 Bsh Home Appliances
#20 Todd R. DeMonte 6 Therma-Stor
#21 Andrey V. Livchak 5 Oy Halton Group
#22 Daniel J. Dempsey 5 Carrier
#23 David Dysinger 5 Bsh Home Appliances
#24 Evan J. Fisher 5 Google
#25 Fadi M. Alsaleem 5 Emerson Climate Technologies
#26 Nobuyuki Kojima 5 Canon
#27 Raheel A. Chaudhry 5 Rheem Manufacturing
#28 Steven S. Dingle 5 Therma-Stor
#29 Yasuhiro Suzuki 5 Nissan Motor Co.
#30 Yuji Motomura 5 Mitsubishi Electric
#31 Anthony M. Fadell 4 Google
#32 Bob Peng 4 Forum Us
#33 Brad Paine 4 Ademco
#34 Claude Lesage 4 Giant Factories
#35 Daniel A. Castillo 4 Lennox Industries
#36 Daebong Yang 4 LG
#37 Derek Hjorth 4 Forum Us
#38 Derek W. Schrock 4 Oy Halton Group
#39 Dong-Ho Lee 4 Samsung
#40 Eric Berg 4 Lennox Industries
#41 Fabio Gambardella 4 Whirlpool Emea S.P.A.
#42 Fabienne Reinhard-Herrscher 4 Electrolux Appliances Aktiebolag
#43 Hirofumi Koge 4 Mitsubishi Electric
#44 Hyuckju Kwon 4 LG
#45 Iqbal Lotey 4 Forum Us
#46 Jayprakash Charavda 4 Lennox Industries
#47 Janghee Park 4 LG
#48 Jeahyuk Wie 4 LG
#49 Jozef Boros 4 Rheem Manufacturing
#50 John Gaska 4 Forum Us
#51 John M. House 4 Johnson Controls Technology
#52 John Adam Yantis 4 Haier Us Appliance Solutions
#53 Kevin Visscher 4 Forum Us
#54 Kirk H. Drees 4 Johnson Controls Technology
#55 Mamoru Hamada 4 Mitsubishi Electric
#56 Masayuki Oishi 4 Mitsubishi Electric
#57 Masaki Toyoshima 4 Mitsubishi Electric
#58 Michael J. Wenzel 4 Johnson Controls Technology
#59 Nguyen T. Ho 4 Lennox Industries
#60 Osamu Morimoto 4 Mitsubishi Electric
#61 Randy Vanberg 4 Forum Us
#62 Rick A. Bagwell 4 Oy Halton Group
#63 Richard Dustin Henderson 4 Haier Us Appliance Solutions
#64 Seungyoun Kim 4 LG
#65 Sivaprasad Akasam 4 Intel
#66 Soumitri Kolavennu 4 Honeywell
#67 Sridhar Deivasigamani 4 Intel
#68 Steven Schneider 4 Lennox Industries
#69 Sunil K. Khiani 4 Lennox Industries
#70 Tatsuo Furuta 4 Canon
#71 Takaaki TAKISHITA 4 Mitsubishi Electric
#72 Timothy I. Salsbury 4 Johnson Controls Technology
#73 William Boone Daniels, II 4 —
#74 Woo Seog Song 4 Samsung
#75 Yongki Jeong 4 LG
#76 Youngsoo Kim 4 LG
#77 Younggu Lee 4 LG
#78 Andrew Hamilton Hanks 3 Trane International
#79 Andreas Hieke 3 Unknown
#80 Baikyoung Chung 3 LG
#81 Baosheng Yan 3 Qingdao Haier Air Conditioner General Corp.
#82 Bertrand Jacquin 3 Carrier
#83 Branko Ivanovic 3 Electrolux Appliances Aktiebolag
#84 Bryan Smith 3 Lennox Industries
#85 Christopher James Adelmann 3 Haier Us Appliance Solutions
#86 Clifford K. Ho 3 National Technology & Engineering Solutions Of Sandia
#87 Darrin W. Beardslee 3 Oy Halton Group
#88 David William Billman 3 Haier Us Appliance Solutions
#89 Daisuke Shimamoto 3 Mitsubishi Electric
#90 David Sloo 3 Google
#91 Dietmar Hildner 3 Electrolux Appliances Aktiebolag
#92 Emilio Placer Maruri 3 Bsh Hausgeräte Gmbh
#93 Eric Deng 3 Hestan Commercial
#94 Guangfen Jia 3 Qingdao Haier Air Conditioner General Corp.
#95 Hayato Horie 3 Mitsubishi Electric
#96 Hayato Mori 3 Kyocera Document Solutions
#97 Hans Juergen Paller 3 Haier Us Appliance Solutions
#98 Hideyuki FUJISAWA 3 Noritz
#99 Hiroyuki Kayama 3 Canon
#100 Hiroki Taoka 3 Panasonic

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Mitsubishi Electric 75
2 LG 71
3 Haier Us Appliance Solutions 44
#4 Daikin Industries 38
#5 Lennox Industries 37
#6 Samsung 36
#7 Johnson Controls Technology 35
#8 Ademco 30
#9 Panasonic 26
#10 Carrier 21
#11 Whirlpool 21
#12 Bsh Hausgeräte Gmbh 16
#13 Trane International 14
#14 Google 14
#15 Hitachi-Johnson Controls Air Conditioning 13
#16 Unknown 13
#17 Honeywell 13
#18 IBM 13
#19 Rheem Manufacturing 12
#20 Electrolux Appliances Aktiebolag 11
#21 Midea Group Co. 11
#22 Noritz 10
#23 Fujitsu General Limited 9
#24 Bsh Home Appliances 8
#25 Smc 8
#26 Air Distribution Technologies Ip 7
#27 Electrolux Home Products Corporation N. V. 7
#28 Malta 7
#29 Rinnai 7
#30 Therma-Stor 7
#31 Intel 7
#32 Emerson Electric 6
#33 Gd Midea Air-Conditioning Equipment Co. 6
#34 Oy Halton Group 6
#35 Qingdao Haier Air Conditioner General Corp. 6
#36 Alarm.Com Incorporated 5
#37 Electrolux Home Products 5
#38 Grundfos Holding A/S 5
#39 The Boeing 5
#40 Broan-Nutone 4
#41 Gd Midea Heating & Ventilating Equipment Co. 4
#42 Gree Electric Appliances, Inc. Of Zhuhai 4
#43 Kyocera 4
#44 Siemens Industry 4
#45 University of California 4
#46 Whirlpool Emea S.P.A. 4
#47 Xiaomi 4
#48 Tesla 4
#49 Advanced Conservation Technology Distribution 3
#50 Alto-Shaam 3
#51 Coway Co. 3
#52 Delta Electronics 3
#53 Denso 3
#54 Ecofactor 3
#55 Emerson Climate Technologies 3
#56 Faber S.P.A. 3
#57 Field Controls 3
#58 Forum Us 3
#59 Hamilton Sundstrand 3
#60 Heatcraft Refrigeration Products 3
#61 Hestan Commercial 3
#62 Illinois Tool Works 3
#63 Intex Holdings Pty 3
#64 Kimura Kohki Co. 3
#65 Koniniklijke Philips N.V. 3
#66 Lochinvar 3
#67 Mitsubishi Electric 3
#68 National Technology & Engineering Solutions Of Sandia 3
#69 Nortek Air Solutions Canada 3
#70 Omachron Intellectual Property 3
#71 Progress Profiles Spa 3
#72 Schott Ag 3
#73 State Farm 3
#74 Vivint 3
#75 7Ac Technologies 2
#76 Beijing Smartmi Technology Co. 2
#77 Belimo Holding Ag 2
#78 British Gas Trading Limited 2
#79 Canplas Industries 2
#80 CNRS 2
#81 Clean Power Research, L.L.C. 2
#82 Crowdcomfort 2
#83 Daikin Europe N.V. 2
#84 Denso Wave Incorporated 2
#85 Digi International 2
#86 Dyson Technology Limited 2
#87 Eaton Intelligent Power Limited 2
#88 Ecobee 2
#89 Eemax 2
#90 Efficient Energy Gmbh 2
#91 Energyhub 2
#92 Fimcim S.P.A. 2
#93 Fpi Fireplace Products International 2
#94 Glasspoint Solar 2
#95 Guangdong Midea Kitchen Appliances Manufacturing Co. 2
#96 Heatworks Technologies 2
#97 Ikorongo Technology 2
#98 Ironridge 2
#99 Kabushiki Kaisha Toshiba 2
#100 King Saud University 2