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

Heating and ventilation Patent Leaders All Time

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 Yoky Matsuoka 70 Google
2 Paul Bryan Cadima 69 Haier Us Appliance Solutions
3 Timothy Scott Shaffer 50 Haier Us Appliance Solutions
#4 Kirk H. Drees 49 Johnson Controls Technology
#5 Takashi Ban 49 —
#6 Anthony M. Fadell 48 Google
#7 Rakesh Goel 47 Lennox Industries
#8 Yuji Motomura 47 Mitsubishi Electric
#9 Michael J. Wenzel 44 Johnson Controls Technology
#10 Raheel A. Chaudhry 44 Rheem Manufacturing
#11 Sivaprasad Akasam 44 Intel
#12 Sridhar Deivasigamani 44 Intel
#13 Theodore S. Bolton 42 Carrier
#14 Jozef Boros 41 Rheem Manufacturing
#15 Matthew Lee Rogers 41 Google
#16 Shaun B. Atchison 41 Johnson Controls Technology
#17 David J. Emmons 40 Ademco
#18 Koji Yamashita 37 Mitsubishi Electric
#19 James Lee Armstrong 36 Haier Us Appliance Solutions
#20 Mohammad N. Elbsat 36 Johnson Controls Tyco Ip Holdings Llp
#21 Andrey V. Livchak 35 Oy Halton Group
#22 Kevin J. Gebke 34 Rite-Hite Holding
#23 Kunyoung Lee 34 LG
#24 Payam Delgoshaei 34 Lennox Industries
#25 Richard W. Cowan 34 Midea Group Co.
#26 Todd R. DeMonte 34 Therma-Stor
#27 Claude Lesage 33 Giant Factories
#28 David Sloo 33 Google
#29 Eric Perez 33 Lennox Industries
#30 Hyeong Joon Seo 33 Samsung
#31 Naofumi Takenaka 33 Mitsubishi Electric
#32 Paul Wacker 33 Honeywell
#33 Theresa N. Gillette 33 Johnson Controls Technology
#34 Won Hee Lee 33 Samsung
#35 Michael F. Taras 32 Carrier
#36 Taeyoon Kim 32 LG
#37 Zhigang Xing 32 Gd Midea Air-Conditioning Equipment Co.
#38 Derek W. Schrock 31 Oy Halton Group
#39 Andrew M. Boyd 30 Johnson Controls Tyco Ip Holdings Llp
#40 Jieun Choi 30 LG
#41 Robert D. Turney 30 Johnson Controls Technology
#42 Steven S. Dingle 30 Therma-Stor
#43 Cary Leen 29 Honeywell
#44 David Quam 29 Ademco
#45 Tomohiro Yabu 29 Daikin Industries
#46 Daniel J. Dempsey 28 Carrier
#47 Daniel Adam Warren 28 Google
#48 Hans Juergen Paller 28 Haier Us Appliance Solutions
#49 Hiroyuki Morimoto 28 Mitsubishi Electric
#50 John C. Karamanos 28 Best Technologies
#51 Kyoungho Lee 28 LG
#52 Sanghyuk Son 28 LG
#53 Brian D. Rigg 27 Johnson Controls Technology
#54 Eric Scott Johnson 27 The Procter & Gamble
#55 Gad Assaf 27 Geophysical Engineering
#56 Jongsu Lee 27 LG
#57 Joon Ho Yoon 27 Samsung
#58 Mark D. Stefanski 27 Google
#59 Peter F. Vandermeulen 27 7Ac Technologies
#60 Sung-June Cho 27 Samsung
#61 Takahiro Moroi 26 —
#62 Chang-Woo Jung 25 Samsung
#63 Kensaku Maeda 25 Ebara
#64 Per Rosén 25 E.On Sverige Ab
#65 Rangoli Sharan 25 Google
#66 Yeon-Seob YUN 25 Samsung
#67 David Charles Lyons 24 Hon Technology
#68 Martin Taplan 24 Schott Ag
#69 Robert J. Mowris 24 —
#70 Sudhi R. Sinha 24 Johnson Controls Technology
#71 Timothy S. O'Brien 24 Group14 Technologies
#72 Timothy I. Salsbury 24 Johnson Controls Technology
#73 Brad Terlson 23 Honeywell
#74 David Deng 23 Continental Appliances
#75 David Schultz 23 Honeywell
#76 John Douglas Steinberg 23 Ecofactor
#77 Jungwoo Lee 23 LG
#78 Kimitaka KADOWAKI 23 Mitsubishi Electric
#79 Nikhil Bhogal 23 June Life
#80 Rajendra K. Shah 23 Carrier
#81 Rick A. Bagwell 23 Oy Halton Group
#82 Ronald J. Shimek 23 Heat-N-Glo Fireplace Products
#83 Steven R. Hoglund 23 Honeywell
#84 Umesh Gokhale 23 Lennox Industries
#85 Wan Soo Kim 23 LG
#86 Alexander K. Maghsadi 22 Solo Brands
#87 Daniel J. Trice 22 Midea Group Co.
#88 Do Yeon Kim 22 Samsung
#89 Janghee Park 22 LG
#90 John F. Broker 22 Emerson Electric
#91 Joseph R. Ribbich 22 Johnson Controls Technology
#92 Mark Rajan Malhotra 22 Google
#93 Masahiko Takagi 22 Mitsubishi Electric
#94 Takashi Matsumoto 22 Honda Motor Co.
#95 Yeonsik Ha 22 LG
#96 Youngchoon Park 22 Johnson Controls Technology
#97 Dana Charles Stevenson 21 Qc Manufacturing
#98 Eric Berg 21 Lennox Industries
#99 Hidefumi Mori 21 —
#100 Hung M. Pham 21 Emerson Climate Technologies

Top Companies

Rank ↑ Company ↕ Patents ↕
1 LG 907
2 Mitsubishi Electric 840
3 Samsung 594
#4 Daikin Industries 568
#5 Carrier 548
#6 Unknown 472
#7 Honeywell 425
#8 Lennox Industries 353
#9 Haier Us Appliance Solutions 350
#10 Whirlpool 303
#11 Johnson Controls Technology 283
#12 Trane International 236
#13 Rheem Manufacturing 232
#14 GE 226
#15 Panasonic 218
#16 Midea Group Co. 211
#17 Johnson Controls Tyco Ip Holdings Llp 205
#18 Google 161
#19 Emerson Electric 159
#20 Smc 154
#21 Gd Midea Air-Conditioning Equipment Co. 146
#22 Ademco 141
#23 Bsh Hausgeräte Gmbh 136
#24 Sharp Kabushiki Kaisha 118
#25 Kabushiki Kaisha Toshiba 112
#26 Bsh Home Appliances 106
#27 Sumitomo Electric Industries 99
#28 Bsh Bosch Und Siemens Hausgeräte Gmbh 97
#29 Gree Electric Appliances, Inc. Of Zhuhai 96
#30 Maytag 96
#31 Sanyo Electric Co. 92
#32 Electrolux Home Products 88
#33 Noritz 85
#34 American Standard 84
#35 Tyco Fire & Security Gmbh 84
#36 Fujitsu General Limited 82
#37 Rinnai 82
#38 Air Distribution Technologies Ip 74
#39 IBM 68
#40 Kyungdong Navien Co. 67
#41 Hitachi 65
#42 Toyota Industries 61
#43 Electrolux Appliances Aktiebolag 58
#44 Intel 58
#45 Electrolux Home Products Corporation N. V. 57
#46 Gas Research Institute 57
#47 Broan-Nutone 49
#48 Robertshaw Controls 46
#49 RTX (Raytheon) 42
#50 Illinois Tool Works 41
#51 The Boeing 41
#52 Therma-Stor 41
#53 Bradford White 40
#54 Oy Halton Group 40
#55 Rite-Hite Holding 39
#56 Denso 38
#57 Dyson Technology Limited 38
#58 Gd Midea Heating & Ventilating Equipment Co. 38
#59 3M 37
#60 Belimo Holding Ag 33
#61 Goodman Manufacturing Company 33
#62 Alarm.Com Incorporated 32
#63 Emerson Climate Technologies 32
#64 Apple 31
#65 Haier Smart Home Co. 30
#66 Miele & Cie. Kg 29
#67 Research Products 29
#68 Siemens Industry 28
#69 Solo Brands 28
#70 Alto-Shaam 27
#71 Nortek Air Solutions Canada 27
#72 Rational Aktiengesellschaft 27
#73 7Ac Technologies 26
#74 Ebara 26
#75 E.G.O. Elektro-Geraetebau Gmbh 26
#76 Hitachi-Johnson Controls Air Conditioning 26
#77 US Dept of Energy 26
#78 York International 26
#79 Danfoss A/S 25
#80 Robert Bosch Gmbh 25
#81 Schott Ag 25
#82 White Consolidated Industries 25
#83 Daikin Europe N.V. 24
#84 E.On Sverige Ab 24
#85 Grundfos Holding A/S 24
#86 Lochinvar 24
#87 Qingdao Haier Air Conditioner General Corp. 24
#88 Qingdao Haier Air-Conditioning Electronic Co. 24
#89 Schott Glas 24
#90 CEA 23
#91 Ecofactor 23
#92 Hon Technology 23
#93 June Life 23
#94 Koniniklijke Philips N.V. 23
#95 Regal Beloit America 23
#96 Sunpower 23
#97 Alliance For Sustainable Energy 21
#98 Copeland Lp 21
#99 E.G.O. Elektro-Gerate Blanc U. Fischer 21
#100 KFUPM 21