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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 2023 2023

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 Payam Delgoshaei 16 Lennox Industries
2 Zhigang Xing 10 Gd Midea Air-Conditioning Equipment Co.
3 Umesh Gokhale 9 Lennox Industries
#4 Amita Brahme 8 Lennox Industries
#5 Glenn William Kowald 8 Lennox Industries
#6 Hui YU 8 Gd Midea Air-Conditioning Equipment Co.
#7 Kangwen ZHANG 8 Gd Midea Air-Conditioning Equipment Co.
#8 Michael J. Wenzel 8 Johnson Controls Technology
#9 Mohammad N. Elbsat 8 Johnson Controls Tyco Ip Holdings Llp
#10 Raheel A. Chaudhry 8 Rheem Manufacturing
#11 Timothy Scott Shaffer 8 Haier Us Appliance Solutions
#12 Yu Liu 8 Gd Midea Air-Conditioning Equipment Co.
#13 Andrew M. Boyd 7 Johnson Controls Tyco Ip Holdings Llp
#14 Douglas Notaro 7 Goodman Manufacturing Company
#15 Janathkumar Manohararaj 7 Lennox Industries
#16 Kirk H. Drees 7 Johnson Controls Technology
#17 Nguyen T. Ho 7 Lennox Industries
#18 Rakesh Goel 7 Lennox Industries
#19 Richard W. Cowan 7 Midea Group Co.
#20 Sridhar Venkatesh 7 Lennox Industries
#21 Du Yang 6 Gree Electric Appliances, Inc. Of Zhuhai
#22 Jie Tang 6 Tsinghua University
#23 Jongkeon Jeon 6 LG
#24 Karan Garg 6 Johnson Controls Tyco Ip Holdings Llp
#25 Kimitaka KADOWAKI 6 Mitsubishi Electric
#26 Theresa N. Gillette 6 Johnson Controls Technology
#27 Tieying Ye 6 Gree Electric Appliances, Inc. Of Zhuhai
#28 Yuhang Tang 6 Gd Midea Air-Conditioning Equipment Co.
#29 Zhisheng LEI 6 Gd Midea Air-Conditioning Equipment Co.
#30 Ali Zhao 5 Gd Midea Air-Conditioning Equipment Co.
#31 Christopher M. Hayden 5 Rheem Manufacturing
#32 Daeyoung Kwak 5 LG
#33 David Kangseong Lee 5 LG
#34 Haeyoong Chung 5 LG
#35 Jiyoung Kang 5 Samsung
#36 Joshua Duane Longenecker 5 Haier Us Appliance Solutions
#37 Keith R. Mowery 5 Lennox Industries
#38 Min Kyu Oh 5 LG
#39 Sohee Park 5 LG
#40 Yang Hwan No 5 LG
#41 Amit R. Chothave 4 Johnson Controls Tyco Ip Holdings Llp
#42 Anil V. Bhosale 4 Johnson Controls Technology
#43 Anthony J. Reardon 4 Johnson Controls Tyco Ip Holdings Llp
#44 Brian D. Rigg 4 Johnson Controls Technology
#45 Chang-Woo Jung 4 Samsung
#46 Christopher Blake Smith 4 Trane International
#47 Cody J. Kaiser 4 Johnson Controls Technology
#48 Craig Benjamin Williams 4 GE
#49 Dana Charles Stevenson 4 Qc Manufacturing
#50 Doyong Ha 4 LG
#51 Do Hoon Kim 4 Samsung
#52 Dongfeng Lai 4 Gree Electric Appliances, Inc. Of Zhuhai
#53 Eric Berg 4 Lennox Industries
#54 Eric R. Jurczyszak 4 Rheem Manufacturing
#55 Eric Ormsby Sakal 4 Haier Us Appliance Solutions
#56 Frederick Hazzard 4 Ademco
#57 Grant M. Lorang 4 Therma-Stor
#58 Gregory Young 4 Ademco
#59 Hansaem Park 4 LG
#60 Ilyoong Shin 4 LG
#61 Janghee Park 4 LG
#62 Jozef Boros 4 Rheem Manufacturing
#63 Joseph Paul Bush 4 Mitsubishi Electric Us
#64 Joseph Robert Tobbe 4 Haier Us Appliance Solutions
#65 Julian Berchtold 4 —
#66 Justin Patrick Todd 4 Haier Us Appliance Solutions
#67 Kevin J. Gebke 4 Rite-Hite Holding
#68 Keita KITAGAWA 4 Daikin Industries
#69 Kousuke Tsuboi 4 Daikin Industries
#70 Kristoffer J. Donhowe 4 Google
#71 Lianfa Wu 4 Gree Electric Appliances, Inc. Of Zhuhai
#72 Manfred Gerber 4 Nortek Air Solutions Canada
#73 Makoto Ikeda 4 Nippon Sheet Glass Company, Limited
#74 Michael Robin Blackwood 4 Haier Us Appliance Solutions
#75 Nathan T. Ostrye 4 Johnson Controls Technology
#76 Neelkanth S. Gupte 4 Carrier
#77 Per Rosén 4 E.On Sverige Ab
#78 Piyush Porwal 4 Rheem Manufacturing
#79 Ramya Bhagavatula 4 Assia Spe
#80 Robert T. Mills 4 Haier Us Appliance Solutions
#81 Scot M. Duncan 4 Unknown
#82 Shawn A. Hern 4 Johnson Controls Technology
#83 Shiqiang Zhang 4 Gree Electric Appliances, Inc. Of Zhuhai
#84 Stephen Budelsky 4 Haier Us Appliance Solutions
#85 Timothy I. Salsbury 4 Johnson Controls Technology
#86 Yeonsik Ha 4 LG
#87 Yongki Jeong 4 LG
#88 Yong Nam Kim 4 LG
#89 Yongcheol Sa 4 LG
#90 Yuji Motomura 4 Mitsubishi Electric
#91 Adam Myre 3 Ademco
#92 Akihiko OHTSU 3 Fujifilm
#93 Aron M. Seiler 3 Johnson Controls Technology
#94 Bastien Jovet 3 Valeo Systemes Thermiques
#95 Brian R. Butler 3 Emerson Climate Technologies
#96 Brennan H. Fentzlaff 3 Johnson Controls Tyco Ip Holdings Llp
#97 Brock L. Nigg 3 Integrated Energy Services
#98 Byungghun KIM 3 Samsung
#99 Carlos Felipe Alcala Perez 3 Johnson Controls Technology
#100 Christopher Russell Clark 3 June Life

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Johnson Controls Tyco Ip Holdings Llp 78
2 LG 73
3 Samsung 52
#4 Lennox Industries 51
#5 Mitsubishi Electric 46
#6 Daikin Industries 45
#7 Haier Us Appliance Solutions 38
#8 Midea Group Co. 35
#9 Rheem Manufacturing 34
#10 Gd Midea Air-Conditioning Equipment Co. 30
#11 Trane International 26
#12 Carrier 24
#13 Gree Electric Appliances, Inc. Of Zhuhai 23
#14 Ademco 22
#15 Whirlpool 21
#16 Unknown 17
#17 Honeywell 16
#18 Air Distribution Technologies Ip 14
#19 Google 10
#20 Bsh Hausgeräte Gmbh 9
#21 Electrolux Home Products 8
#22 Johnson Controls Technology 8
#23 Noritz 8
#24 Smc 8
#25 Electrolux Appliances Aktiebolag 7
#26 Goodman Manufacturing Company 7
#27 Panasonic 7
#28 Emerson Climate Technologies 6
#29 Kyungdong Navien Co. 6
#30 Aspen Pumps Limited 5
#31 Broan-Nutone 5
#32 Bsh Home Appliances 5
#33 Chung Ang University Industry Academic Cooperation Foundation 5
#34 Haier Smart Home Co. 5
#35 KFUPM 5
#36 Mitsubishi Electric Us 5
#37 Robert Bosch Gmbh 5
#38 Alliance For Sustainable Energy 4
#39 Alto-Shaam 4
#40 B/E Aerospace 4
#41 Xiaomi 4
#42 Denso Wave Incorporated 4
#43 E.On Sverige Ab 4
#44 Nortek Air Solutions Canada 4
#45 Qc Manufacturing 4
#46 Qingdao Haier Air-Conditioning Electronic Co. 4
#47 Rite-Hite Holding 4
#48 Therma-Stor 4
#49 Alarm.Com Incorporated 3
#50 Belimo Holding Ag 3
#51 Emerson Electric 3
#52 Frenell Ip Gmbh 3
#53 Fujifilm 3
#54 Fujitsu General Limited 3
#55 Gd Midea Heating & Ventilating Equipment Co. 3
#56 Goodman Global Group 3
#57 Gree Electric Appliances (Wuhan) Co. 3
#58 Hamilton Sundstrand 3
#59 Integrated Energy Services 3
#60 June Life 3
#61 Korea Institute Of Energy Research 3
#62 Mitsubishi Electric 3
#63 National Technology & Engineering Solutions Of Sandia 3
#64 Novelaire Technologies, L.L.C. 3
#65 Ontel Products 3
#66 Research Products 3
#67 Schneider Electric Usa 3
#68 Sharp Kabushiki Kaisha 3
#69 Solo Brands 3
#70 Stiebel Eltron Gmbh & Co. Kg 3
#71 Waterfurnace International 3
#72 Watts Regulator 3
#73 Comcast 3
#74 IBM 3
#75 Intel 3
#76 Amazon 2
#77 Apple 2
#78 Acp 2
#79 Advanced Distributor Products 2
#80 Airius Ip Holdings 2
#81 Airscape 2
#82 Allied Air Enterprises 2
#83 Best Technologies 2
#84 Bjb Gmbh & Co. Kg 2
#85 Breeo 2
#86 Capital Hardware Supply 2
#87 Champion Trust 2
#88 Changzhou University 2
#89 Chicony Power Technology Co. 2
#90 Cielo Wigle 2
#91 City University Of Hong Kong 2
#92 Condevo S.P.A. 2
#93 Daikin Applied Americas 2
#94 Dansons Us 2
#95 Degrii Co. 2
#96 De' Longhi Appliances S.R.L. Con Unico Socio 2
#97 Delos Living 2
#98 Delta T 2
#99 Denso International America 2
#100 Diversitech 2