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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 2024 2024

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 Zhigang Xing 12 Gd Midea Air-Conditioning Equipment Co.
2 Per Rosén 9 E.On Sverige Ab
3 Jacob Skogström 8 E.On Sverige Ab
#4 Weiming Li 8 Samsung
#5 Alexander K. Maghsadi 7 Solo Brands
#6 Kirk H. Drees 7 Johnson Controls Technology
#7 Payam Delgoshaei 7 Lennox Industries
#8 Rakesh Goel 7 Lennox Industries
#9 Fredrik Rosenqvist 6 E.On Sverige Ab
#10 Hui YU 6 Gd Midea Air-Conditioning Equipment Co.
#11 Jeffrey R. Weilert 6 Solo Brands
#12 Junseok Bae 6 LG
#13 Michael J. Wenzel 6 Johnson Controls Technology
#14 Mohammad N. Elbsat 6 Johnson Controls Tyco Ip Holdings Llp
#15 Yuji Motomura 6 Mitsubishi Electric
#16 Bengt Lindoff 5 Ericsson
#17 Chi-Feng Huang 5 Microjet Technology Co.
#18 Hao-Jan Mou 5 Microjet Technology Co.
#19 Hyeong Joon Seo 5 Samsung
#20 Jeffrey L. Stewart 5 Trane International
#21 Junichi Shimoda 5 Daikin Industries
#22 Keita KITAGAWA 5 Daikin Industries
#23 Paul Bryan Cadima 5 Haier Us Appliance Solutions
#24 Seongkuk Mun 5 LG
#25 Yung-Lung Han 5 Microjet Technology Co.
#26 Andrew M. Boyd 4 Johnson Controls Tyco Ip Holdings Llp
#27 Anthony J. Reardon 4 Johnson Controls Tyco Ip Holdings Llp
#28 Chang-Woo Jung 4 Samsung
#29 Chin-Chuan Wu 4 Microjet Technology Co.
#30 David J. Emmons 4 Ademco
#31 Daniel R. Rumler 4 Johnson Controls Technology
#32 Eric Berg 4 Lennox Industries
#33 Eric Scott Johnson 4 The Procter & Gamble
#34 Fahad G. Al-Amri 4 Imam Abdulrahman Bin Faisal University
#35 Forest Reider 4 Belimo Holding Ag
#36 Joon Ho Yoon 4 Samsung
#37 Jun Kyu Park 4 Kyungdong Navien Co.
#38 Karan Garg 4 Johnson Controls Tyco Ip Holdings Llp
#39 Kashif Irshad 4 KFUPM
#40 Katsuhiro Ishimura 4 Mitsubishi Electric
#41 Kazuyuki Kobayashi 4 Mitsubishi Electric
#42 Kangwen ZHANG 4 Gd Midea Air-Conditioning Equipment Co.
#43 Kimitaka KADOWAKI 4 Mitsubishi Electric
#44 Kosuke Tanaka 4 Tdk
#45 Long Zhang 4 Magnecomp
#46 Mark D. Everly 4 Watlow Electric Manufacturing
#47 Masahiko Takagi 4 Mitsubishi Electric
#48 Parmeshwar G. Patil 4 Air Distribution Technologies Ip
#49 Peter Konowalczyk 4 Octopus Energy Heating Limited
#50 Richard Zane DeLoach 4 Renu
#51 Sebastien Flesch 4 Bsh Hausgeräte Gmbh
#52 Shaun B. Atchison 4 Johnson Controls Technology
#53 Shiliang Wang 4 Lennox Industries
#54 Shiqiang Zhang 4 Gree Electric Appliances, Inc. Of Zhuhai
#55 Shutao Zhou 4 Haier Smart Home Co.
#56 Sivaprasad Akasam 4 Intel
#57 Sivakumar Gopalnarayanan 4 Rheem Manufacturing
#58 Sridhar Deivasigamani 4 Intel
#59 Sriram Ramanujam 4 Johnson Controls Tyco Ip Holdings Llp
#60 Sunggyu Choi 4 LG
#61 Theresa N. Gillette 4 Johnson Controls Technology
#62 Timothy Scott Shaffer 4 Haier Us Appliance Solutions
#63 Tooru Fujimoto 4 Daikin Industries
#64 Wei Guo 4 China Unionpay Co.
#65 Youichi HANDA 4 Daikin Industries
#66 Yoji ONAKA 4 Mitsubishi Electric
#67 Allan Daly 3 Apple
#68 Amit Parsai 3 Lennox Industries
#69 Andrew Alan Harmeling 3 Lamplight Farms Incorporated
#70 Anup T. Kole 3 Air Distribution Technologies Ip
#71 Ayumi Konishi 3 Panasonic
#72 Baitian Zhuo 3 Qingdao Haier Air-Conditioning Electronic Co.
#73 Bernard P. Clement 3 Johnson Controls Technology
#74 Bin Shi 3 Qingdao Haier Air-Conditioning Electronic Co.
#75 Brian Thomas Branecky 3 —
#76 Brian R. Butler 3 Emerson Climate Technologies
#77 Brian D. Rigg 3 Johnson Controls Technology
#78 Christopher M. Hayden 3 Rheem Manufacturing
#79 Chang Heoi Heo 3 Kyungdong Navien Co.
#80 Changwoo JUNG 3 Samsung
#81 Ching-Sung Lin 3 Microjet Technology Co.
#82 Craig Benjamin Williams 3 GE
#83 Daniel J. Knight 3 Lamplight Farms Incorporated
#84 Defu Gao 3 Guangdong Giwee Technology Co.
#85 Douglas Notaro 3 Goodman Manufacturing Company
#86 Fashen LIU 3 Gd Midea Air-Conditioning Equipment Co.
#87 Francesco Borrelli 3 Apple
#88 Gakuto Sakai 3 Daikin Industries
#89 Guillaume Laurent 3 Bsh Hausgeräte Gmbh
#90 Hans Juergen Paller 3 Haier Us Appliance Solutions
#91 Hiromi Suenaga 3 Sharp Kabushiki Kaisha
#92 Huachao Jiao 3 Gree Electric Appliances, Inc. Of Zhuhai
#93 Izumi Yamamoto 3 Citizen Watch Co.
#94 Jaehwa Jung 3 LG
#95 Janathkumar Manohararaj 3 Lennox Industries
#96 Jinwoo Park 3 Samsung
#97 Jonathan D. Douglas 3 Trane International
#98 Joshua Duane Longenecker 3 Haier Us Appliance Solutions
#99 John Walsh 3 —
#100 Jun-Ho Hwang 3 Samsung

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Mitsubishi Electric 86
2 Daikin Industries 65
3 LG 54
#4 Samsung 44
#5 Midea Group Co. 42
#6 Tyco Fire & Security Gmbh 42
#7 Gd Midea Air-Conditioning Equipment Co. 39
#8 Johnson Controls Tyco Ip Holdings Llp 35
#9 Haier Us Appliance Solutions 31
#10 Rheem Manufacturing 29
#11 Lennox Industries 27
#12 Trane International 25
#13 Gree Electric Appliances, Inc. Of Zhuhai 20
#14 Bsh Hausgeräte Gmbh 19
#15 Air Distribution Technologies Ip 18
#16 Panasonic 17
#17 Carrier 15
#18 Fujitsu General Limited 14
#19 Haier Smart Home Co. 14
#20 Whirlpool 14
#21 Ademco 10
#22 Honeywell 10
#23 Johnson Controls Technology 9
#24 Coway Co. 8
#25 Electrolux Appliances Aktiebolag 8
#26 E.On Sverige Ab 8
#27 Kyungdong Navien Co. 8
#28 Qingdao Haier Air-Conditioning Electronic Co. 8
#29 Copeland Lp 7
#30 Gd Midea Heating & Ventilating Equipment Co. 7
#31 Goodman Manufacturing Company 7
#32 Solo Brands 7
#33 Unknown 7
#34 Apple 6
#35 Rinnai America 6
#36 Smc 6
#37 Copeland Comfort Control Lp 5
#38 Daikin Europe N.V. 5
#39 Microjet Technology Co. 5
#40 Qingdao Haier Air Conditioner General Corp. 5
#41 Watlow Electric Manufacturing 5
#42 Belimo Holding Ag 4
#43 Electrolux Home Products 4
#44 Guangdong Giwee Technology Co. 4
#45 Imam Abdulrahman Bin Faisal University 4
#46 KFUPM 4
#47 Mitsubishi Heavy Industries Thermal Systems 4
#48 Octopus Energy Heating Limited 4
#49 Qingdao Hisense Hitachi Air-Conditioning Systems Co. 4
#50 Sharp Kabushiki Kaisha 4
#51 Intel 4
#52 Alarm.Com Incorporated 3
#53 Xiaomi 3
#54 Broan-Nutone 3
#55 Clean Power Research, L.L.C. 3
#56 Fh Alliance 3
#57 Heatcraft Refrigeration Products 3
#58 Hitachi Industrial Equipment Systems Co. 3
#59 Ningbo Fotile Kitchen Ware Co. 3
#60 Nortek Air Solutions Canada 3
#61 Ojjo 3
#62 Regal Beloit America 3
#63 Renu 3
#64 Sharkninja Operating 3
#65 Watts Regulator 3
#66 3M 2
#67 Array Tech 2
#68 Arzel Zoning Technology 2
#69 B/E Aerospace 2
#70 Borgwarner Ludwigsburg Gmbh 2
#71 Bsh Home Appliances 2
#72 Chronomite Laboratories 2
#73 Denso Wave Incorporated 2
#74 Dyson Technology Limited 2
#75 Eberspächer Catem Gmbh & 2
#76 E.G.O. Elektro-Geraetebau Gmbh 2
#77 Gas Technology Institute 2
#78 G&G Technology Co. 2
#79 Goodman Global Group 2
#80 Greentouch Usa 2
#81 Guangdong Midea White Home Appliance Technology Innovation Center Co. 2
#82 Harvest Thermal 2
#83 Hisense (Guangdong) Air Conditioning Co. 2
#84 Illinois Tool Works 2
#85 Inertech Ip 2
#86 June Life 2
#87 Lamplight Farms Incorporated 2
#88 Marlin Gas Services 2
#89 Miele & Cie. Kg 2
#90 Modern Flames, Llc. 2
#91 Mr. Bar-B-Q Products 2
#92 Nanjing University 2
#93 National Machine 2
#94 Nibco 2
#95 Nihon Spindle Manufacturing Co. 2
#96 Noritz 2
#97 Paloma Co. 2
#98 Rensselaer Polytechnic Institute 2
#99 Rheem Australia Pty Limited 2
#100 Rinnai 2