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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 2018 2018

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 15 LG
2 Kyoungho Lee 15 LG
3 Sanghyuk Son 15 LG
#4 Jongsu Lee 14 LG
#5 Kunyoung Lee 14 LG
#6 Taeyoon Kim 14 LG
#7 Jungwoo Lee 11 LG
#8 Yoky Matsuoka 9 Google
#9 Anthony M. Fadell 8 Google
#10 Matthew Lee Rogers 8 Google
#11 David Sloo 7 Google
#12 Sivaprasad Akasam 7 Intel
#13 Sridhar Deivasigamani 7 Intel
#14 David J. Emmons 6 Ademco
#15 Fumitake Unezaki 6 Mitsubishi Electric
#16 Jean-Claude Lesage 6 Miclau-S.R.I.
#17 Younggu Lee 6 LG
#18 Amy Ragland 5 Honeywell
#19 Ben Braden 5 Bsh Home Appliances
#20 Daniel A. Castillo 5 Lennox Industries
#21 David Quam 5 Ademco
#22 Hyuckju Kwon 5 LG
#23 Jayprakash Charavda 5 Lennox Industries
#24 Koji Yamashita 5 Mitsubishi Electric
#25 Mark D. Stefanski 5 Google
#26 Paul Bryan Cadima 5 Haier Us Appliance Solutions
#27 Philip R. McKee 5 Alto-Shaam
#28 Preston Gilmer 5 Ademco
#29 Raheel A. Chaudhry 5 Rheem Manufacturing
#30 Rangoli Sharan 5 Google
#31 Steve R. Peterson 5 Honeywell
#32 Sunil K. Khiani 5 Lennox Industries
#33 Timothy Scott Shaffer 5 Haier Us Appliance Solutions
#34 Yangho Kim 5 LG
#35 Youngsoo Kim 5 LG
#36 Andrey V. Livchak 4 Oy Halton Group
#37 Cary Leen 4 Honeywell
#38 Christopher James Adelmann 4 Haier Us Appliance Solutions
#39 Chungook Chong 4 LG
#40 Daniel Adam Warren 4 Google
#41 Derek W. Schrock 4 Oy Halton Group
#42 Eric Barton 4 Honeywell
#43 James Lee Armstrong 4 Haier Us Appliance Solutions
#44 Jeongtaek Park 4 LG
#45 Nguyen T. Ho 4 Lennox Industries
#46 Rakesh Goel 4 Lennox Industries
#47 Randall L. Lisbona 4 Lennox Industries
#48 Stephen Bernard Froelicher 4 Haier Us Appliance Solutions
#49 Steven R. Hoglund 4 Honeywell
#50 Sung-June Cho 4 Samsung
#51 Thomas Kuckelkorn 4 Schott Ag
#52 Timothy Russell 4 Bsh Home Appliances
#53 Travis Read 4 Ademco
#54 Unchang Jeong 4 LG
#55 Yen-Jen Yeh 4 Grand Mate Co.
#56 Zachary J. Bruin-Slot 4 Whirlpool
#57 Adrienne Thomle 3 Honeywell
#58 Alwin Neukamm 3 Electrolux Home Products Corporation N. V.
#59 Andrew James Grose 3 Whirlpool
#60 Arthur Y. Hinton 3 Rheem Manufacturing
#61 Byung Yul So 3 Samsung
#62 Cary Pinkalla 3 Rite-Hite Holding
#63 Carlo Filippo Ratti 3 MIT
#64 Chung-Chin Huang 3 Grand Mate Co.
#65 Chin-Ying Huang 3 Grand Mate Co.
#66 Chris Moy 3 Hestan Commercial
#67 Claude Lesage 3 Giant Factories
#68 Cory Grabinger 3 Honeywell
#69 Dong Woon Kang 3 Samsung
#70 Edward H. Metzger 3 Mjc
#71 Enzo Giaretta 3 —
#72 Eric Deng 3 Hestan Commercial
#73 Eric Scott Johnson 3 The Procter & Gamble
#74 Eric Perez 3 Lennox Industries
#75 Evan J. Fisher 3 Google
#76 Filippo Matarazzi 3 Whirlpool Emea S.P.A.
#77 Hari Thiruvengada 3 Honeywell
#78 Hiroyuki JINNAI 3 Mitsubishi Electric
#79 Hirofumi Koge 3 Mitsubishi Electric
#80 Hiroyuki Morimoto 3 Mitsubishi Electric
#81 Hsing-Hsiung Huang 3 Grand Mate Co.
#82 Hsin-Ming Huang 3 Grand Mate Co.
#83 Ingyu Yang 3 LG
#84 James Lau 3 Rab Lighting
#85 Josef Novotny 3 Honeywell
#86 John Setel O'Donnell 3 Rondo Energy
#87 Joon Ho Yoon 3 Samsung
#88 Jung Ho Kim 3 Samsung
#89 Kevin J. Gebke 3 Rite-Hite Holding
#90 Kenta Nezu 3 Fujitsu General Limited
#91 Kuan-Chou Lin 3 Grand Mate Co.
#92 Lee Thomas VanLanen 3 Alto-Shaam
#93 Lee Wa Wong 3 —
#94 Mamoru Hamada 3 Mitsubishi Electric
#95 Mark Rajan Malhotra 3 Google
#96 Marco Maria Pedrazzo 3 Whirlpool Emea S.P.A.
#97 Makoto Saito 3 Mitsubishi
#98 Miroslav Mikulica 3 Honeywell
#99 Michael Plitkins 3 Google
#100 Naomichi Tamura 3 Mitsubishi Electric

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Mitsubishi Electric 74
2 LG 56
3 Honeywell 54
#4 Haier Us Appliance Solutions 31
#5 Lennox Industries 31
#6 Google 30
#7 Samsung 26
#8 Daikin Industries 25
#9 Unknown 21
#10 Trane International 16
#11 Whirlpool 16
#12 Carrier 12
#13 Johnson Controls Technology 12
#14 Fujitsu General Limited 10
#15 Noritz 10
#16 Bsh Hausgeräte Gmbh 9
#17 Bsh Home Appliances 9
#18 Electrolux Home Products Corporation N. V. 9
#19 Rinnai 9
#20 Panasonic 9
#21 Rheem Manufacturing 8
#22 Dyson Technology Limited 7
#23 Emerson Electric 7
#24 Kyungdong Navien Co. 7
#25 Intel 7
#26 Electrolux Home Products 5
#27 Gree Electric Appliances, Inc. Of Zhuhai 5
#28 Mahle International Gmbh 5
#29 Miclau-S.R.I. 5
#30 Oy Halton Group 5
#31 Sunpower 5
#32 Vivint 5
#33 Whirlpool Emea S.P.A. 5
#34 Alto-Shaam 4
#35 Delta Electronics 4
#36 Denso Wave Incorporated 4
#37 Electrolux Appliances Aktiebolag 4
#38 Hestan Commercial 4
#39 Midea Group Co. 4
#40 Mitsubishi Hitachi Power Systems 4
#41 Nortek Air Solutions Canada 4
#42 Smc 4
#43 3M 3
#44 Arcelik Anonim Sirketi 3
#45 Broan-Nutone 3
#46 Glasspoint Solar 3
#47 Grand Mate Co. 3
#48 Toyota Industries 3
#49 Mitsubishi Electric 3
#50 Mjc 3
#51 Rite-Hite Holding 3
#52 Savo-Solar Oy 3
#53 Schneider Electric It 3
#54 Schott Solar Ag 3
#55 Sharp Kabushiki Kaisha 3
#56 Siemens Concentrated Solar Power 3
#57 The Boeing 3
#58 Toshiba Carrier 3
#59 US Air Force 3
#60 IBM 3
#61 Lam Research 3
#62 Amazon 2
#63 Apple 2
#64 7Ac Technologies 2
#65 Air Distribution Technologies Ip 2
#66 Alliance For Sustainable Energy 2
#67 Azbil 2
#68 Battelle Memorial Institute 2
#69 Bekaert Combustion Technology B.V. 2
#70 Belimo Holding Ag 2
#71 Byd Company Limited 2
#72 Clearsign Combustion 2
#73 Csr Building Products Limited 2
#74 Danfoss A/S 2
#75 Eberspächer Climate Control Systems Gmbh 2
#76 Ecofactor 2
#77 Eemax 2
#78 Intellectual Ventures 2
#79 Emerson Climate Technologies 2
#80 Enerco Group 2
#81 Enverid Systems 2
#82 Espec 2
#83 Eurokera S.N.C. 2
#84 Gd Midea Air-Conditioning Equipment Co. 2
#85 Gd Midea Heating & Ventilating Equipment Co. 2
#86 Gridpoint 2
#87 Grundfos Holding A/S 2
#88 Illinois Tool Works 2
#89 June Life 2
#90 Kobayashi Pharmaceutical Co. 2
#91 Korea Institute Of Energy Research 2
#92 MIT 2
#93 Miro Co. 2
#94 Mitek Holdings 2
#95 Modern Flames, Llc. 2
#96 Modine Manufacturing 2
#97 Munters 2
#98 Opower 2
#99 Owens Corning Intellectual Capital 2
#100 Pegasus Solar 2