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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 2020 2020

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 James Lee Armstrong 11 Haier Us Appliance Solutions
2 Shaun B. Atchison 10 Johnson Controls Technology
3 Joseph R. Ribbich 9 Johnson Controls Technology
#4 Steven S. Dingle 9 Therma-Stor
#5 Jerome Verhoeven 8 Therma-Stor
#6 Youngchoon Park 8 Johnson Controls Technology
#7 Hyeong Joon Seo 7 Samsung
#8 Inchul Jeong 7 Kyungdong Navien Co.
#9 Kwon Jin Kim 7 Samsung
#10 Sung-June Cho 7 Samsung
#11 Sudhi R. Sinha 7 Johnson Controls Technology
#12 Theresa N. Gillette 7 Johnson Controls Technology
#13 Tom R. Tasker 7 Johnson Controls Technology
#14 David Quam 6 Ademco
#15 James A. Scharping 6 Therma-Stor
#16 Masayuki Oishi 6 Mitsubishi Electric
#17 Michael A. Funk 6 Haier Us Appliance Solutions
#18 Noel A. Grajeda-Trevizo 6 Johnson Controls Technology
#19 Philip J. Smith 6 Computime Limited
#20 Raheel A. Chaudhry 6 Rheem Manufacturing
#21 Shawn A. Hern 6 Johnson Controls Technology
#22 Todd R. DeMonte 6 Therma-Stor
#23 Zachary J. Bruin-Slot 6 Whirlpool
#24 Andrew M. Boyd 5 Johnson Controls Tyco Ip Holdings Llp
#25 Andrew J. Przybylski 5 Johnson Controls Tyco Ip Holdings Llp
#26 Brad Paine 5 Ademco
#27 Brian D. Rigg 5 Johnson Controls Technology
#28 Eric Perez 5 Lennox Industries
#29 Farhad Abrishamkar 5 Lennox Industries
#30 Hans Juergen Paller 5 Haier Us Appliance Solutions
#31 Kevin L. Weirich 5 Ademco
#32 Michael J. Ajax 5 Johnson Controls Technology
#33 Michael J. Wenzel 5 Johnson Controls Technology
#34 Paul Bryan Cadima 5 Haier Us Appliance Solutions
#35 Shuhei Yokota 5 Mitsubishi Electric
#36 Tyler P. McCune 5 Johnson Controls Technology
#37 Vern A. Neal 5 Midea Group Co.
#38 Yasuhiro Suzuki 5 Nissan Motor Co.
#39 Yeonsik Ha 5 LG
#40 Yeon-Seob YUN 5 Samsung
#41 Yoky Matsuoka 5 Google
#42 Brian Thomas Branecky 4 —
#43 Claude Lesage 4 Giant Factories
#44 Conor DuBois 4 Therma-Stor
#45 Cody J. Kaiser 4 Johnson Controls Technology
#46 Daniel J. Trice 4 Midea Group Co.
#47 Daniel Adam Warren 4 Google
#48 Dong Yoon Lee 4 Samsung
#49 Eric Scott Johnson 4 The Procter & Gamble
#50 Frederick Hazzard 4 Ademco
#51 Jonathan A. Burns 4 Johnson Controls Technology
#52 Jong Kweon Ha 4 Samsung
#53 John C. Karamanos 4 Best Technologies
#54 John Walsh 4 —
#55 Karel Marik 4 Honeywell
#56 KwonHyung Lee 4 LG
#57 Masato Ishikawa 4 Mitsubishi Electric
#58 Masahide Kinami 4 Mitsubishi Electric
#59 Mark D. Stefanski 4 Google
#60 Mark W. Wilson 4 Midea Group Co.
#61 Michael G. Longman 4 Air Distribution Technologies Ip
#62 Moon Sun Shin 4 Samsung
#63 Pablo Vilato 4 Eurokera S.N.C.
#64 Paul Wacker 4 Honeywell
#65 Petr Endel 4 Honeywell
#66 Peter F. Vandermeulen 4 7Ac Technologies
#67 Philip Paul LePoudre 4 Nortek Air Solutions Canada
#68 Rakesh Goel 4 Lennox Industries
#69 Richard Dustin Henderson 4 Haier Us Appliance Solutions
#70 Rohini Brahme 4 Lennox Industries
#71 Robert Scott Donarski 4 Whirlpool
#72 Robert J. Mowris 4 —
#73 Steven R. Hoglund 4 Honeywell
#74 Won Jae Jin 4 Kyungdong Navien Co.
#75 Yutaka Aoyama 4 Mitsubishi Electric
#76 Aaron J. Klein 3 Ademco
#77 Akimoto SUZUKI 3 Mitsubishi Electric
#78 Alan E. Bennett 3 Lennox Industries
#79 Amol P. Joshi 3 Air Distribution Technologies Ip
#80 Andreas Hieke 3 Unknown
#81 Aneek M. Noor 3 Johnson Controls Technology
#82 Anna Vishinsky 3 Lennox Industries
#83 Bertrand Charpentier 3 Eurokera S.N.C.
#84 Brian R. Butler 3 Emerson Climate Technologies
#85 Bryan Isaac D'Souza 3 Haier Us Appliance Solutions
#86 Cary Leen 3 Honeywell
#87 Christopher Goh 3 Honeywell
#88 Chang-Woo Jung 3 Samsung
#89 Chulmin Park 3 LG
#90 Christopher Blake Smith 3 Trane International
#91 Craig Carl Heffernan 3 Alarm.Com Incorporated
#92 David J. Arneson 3 Honeywell
#93 Daniel Goodman 3 Alarm.Com Incorporated
#94 Daisuke KANEMATSU 3 Panasonic
#95 Daeyun Park 3 LG
#96 Dana Charles Stevenson 3 Qc Manufacturing
#97 Diane K. Bustamante 3 Therma-Stor
#98 Do Yeon Kim 3 Samsung
#99 Do Hoon Kim 3 Samsung
#100 Dominic M. Moore 3 Therma-Stor

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Mitsubishi Electric 85
2 Johnson Controls Technology 77
3 Haier Us Appliance Solutions 55
#4 Samsung 54
#5 LG 44
#6 Lennox Industries 35
#7 Whirlpool 28
#8 Ademco 27
#9 Trane International 26
#10 Daikin Industries 25
#11 Honeywell 23
#12 Panasonic 20
#13 Midea Group Co. 18
#14 Bsh Hausgeräte Gmbh 17
#15 Electrolux Appliances Aktiebolag 16
#16 Rheem Manufacturing 15
#17 Kyungdong Navien Co. 14
#18 Unknown 14
#19 Google 14
#20 Therma-Stor 13
#21 Carrier 12
#22 Emerson Electric 10
#23 Air Distribution Technologies Ip 9
#24 Bsh Home Appliances 8
#25 Noritz 8
#26 Smc 8
#27 Computime Limited 7
#28 Emerson Climate Technologies 7
#29 Alarm.Com Incorporated 6
#30 Gree Electric Appliances, Inc. Of Zhuhai 6
#31 Illinois Tool Works 6
#32 IBM 6
#33 Xiaomi 5
#34 Broan-Nutone 5
#35 Electrolux Home Products 5
#36 Gd Midea Air-Conditioning Equipment Co. 5
#37 Grundfos Holding A/S 5
#38 Rinnai 5
#39 Vivint 5
#40 Apple 4
#41 7Ac Technologies 4
#42 Belimo Holding Ag 4
#43 Delta Electronics 4
#44 Eurokera S.N.C. 4
#45 Hitachi-Johnson Controls Air Conditioning 4
#46 Koniniklijke Philips N.V. 4
#47 Nortek Air Solutions Canada 4
#48 GE 4
#49 Intel 4
#50 AT&T 3
#51 Alliance For Sustainable Energy 3
#52 Alto-Shaam 3
#53 Chicony Power Technology Co. 3
#54 Fujitsu General Limited 3
#55 Halton Oy 3
#56 June Life 3
#57 Lochinvar 3
#58 Mestek 3
#59 Miclau-S.R.I. 3
#60 Mitsubishi Electric 3
#61 Prihoda S.R.O. 3
#62 Progress Profiles Spa 3
#63 Qc Manufacturing 3
#64 Regal Beloit America 3
#65 Robert Bosch Gmbh 3
#66 Schneider Electric Controls Uk Limited 3
#67 Schott Ag 3
#68 Shinwa Controls Co. 3
#69 Siemens Industry 3
#70 University of California 3
#71 BOE 3
#72 Huawei 3
#73 3Eflow Ab 2
#74 Aerco International 2
#75 Airwirl 2
#76 Arcelik Anonim Sirketi 2
#77 Best Technologies 2
#78 Budich International Gmbh 2
#79 China Building Materials Academy Co. 2
#80 Coway Co. 2
#81 Daikin Europe N.V. 2
#82 Dell Products 2
#83 Denso International America 2
#84 Ecofactor 2
#85 Elemental Engineering Ag 2
#86 Elica S.P.A. 2
#87 Encycle 2
#88 Energy And Environmental Research Center Foundation 2
#89 Fujitsu Limited 2
#90 Fulton Group N.A. 2
#91 Furrion Property Holding Limited 2
#92 Gd Midea Heating & Ventilating Equipment Co. 2
#93 Grand Hall Enterprise Co. 2
#94 Grand Valley State University 2
#95 Gridpoint 2
#96 Guangdong Midea Kitchen Appliances Manufacturing Co. 2
#97 Hamilton Sundstrand 2
#98 Hanon Systems 2
#99 Heliovis Ag 2
#100 Hitachi 2