Refrigeration and cooling Patent Leaders

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: 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Patents per Year

Top Inventors

Rank ↑	Inventor ↕	Patents ↕	Primary Company ↕
1	Donghoon Lee	107	LG
2	Dante Patrick Bonaquist	103	Praxair Technology
3	Wookyong Lee	96	LG
#4	Michael F. Taras	90	Carrier
#5	Alexander Lifson	87	Carrier
#6	Abhay Naik	84	Whirlpool
#7	Rakesh Agrawal	83	Air Products And Chemicals
#8	Guolian Wu	82	Whirlpool
#9	Wonyeong Jung	82	LG
#10	Patrick J. Boarman	78	Whirlpool
#11	Deokhyun Youn	75	LG
#12	Koji Yamashita	74	Mitsubishi Electric
#13	Seungseob Yeom	74	LG
#14	Brent Alden Junge	72	Haier Us Appliance Solutions
#15	Steven J. Kuehl	72	Whirlpool
#16	Yonghyun KIM	69	LG
#17	Chad J. Rotter	68	Whirlpool
#18	Henry Edward Howard	66	Praxair Technology
#19	Mingyao Xu	66	Sumitomo Heavy Industries
#20	Alan Joseph Mitchell	64	Haier Us Appliance Solutions
#21	Michael Goodman Schroeder	64	Haier Us Appliance Solutions
#22	Shitong Zha	64	Heatcraft Refrigeration Products
#23	Jin Jeong	62	Samsung
#24	Nihat O. Cur	62	Whirlpool
#25	Paul B. Allard	61	Whirlpool
#26	Jinil HONG	60	LG
#27	Sunggyun Son	56	LG
#28	Dean A. Martin	55	Whirlpool
#29	Mark Julian Roberts	55	Air Products And Chemicals
#30	Hank M. Hudson	54	Ortloff Engineers
#31	Jae Koog An	54	Samsung
#32	John D. Wilkinson	54	Ortloff Engineers
#33	Yongjun Bae	53	LG
#34	Bayram Arman	52	Praxair Technology
#35	Chongyoung Park	51	LG
#36	Haruyuki Nishijima	51	Denso
#37	Douglas D. Leclear	49	Whirlpool
#38	Neil M. Prosser	49	Praxair Technology
#39	Xiaobing Zhu	49	Qingdao Haier Joint Stock Co.
#40	Parmesh Verma	48	Carrier
#41	Rakesh Goel	48	Lennox Industries
#42	Igor Vaisman	47	Booz Allen Hamilton
#43	Naofumi Takenaka	47	Mitsubishi Electric
#44	Hirotsugu Takeuchi	46	Denso
#45	Lynne F. Hunter	46	Whirlpool
#46	Uwe Rockenfeller	46	Rocky Research
#47	Alain Guillard	45	L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
#48	Hung M. Pham	45	Emerson Climate Technologies
#49	Minkyu Oh	45	LG
#50	John Mak	44	Fluor Technologies
#51	Karl-Friedrich Laible	44	Bsh Hausgeräte Gmbh
#52	Bao Ha	43	L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
#53	Paul Higginbotham	43	Air Products And Chemicals
#54	Robert L. Wetekamp	43	Whirlpool
#55	Seong Jae Kim	43	LG
#56	Takeshi Hatomura	43	Mitsubishi Electric
#57	Alberto R. Gomes	42	Whirlpool
#58	Brian K. Culley	42	Whirlpool
#59	Ralph C. Longsworth	42	Sumitomo (Shi) Cryogenics Of America
#60	Andrew M. Tenbarge	41	Whirlpool
#61	Bill J. Koons	41	Whirlpool
#62	Scott W. Leimkuehler	41	Whirlpool
#63	Hiroyuki Morimoto	40	Mitsubishi Electric
#64	Myung Ryul Lee	40	LG
#65	Alvin V. Miller	39	Whirlpool
#66	Donald C. Erickson	39	Air Products And Chemicals
#67	Nilton Carlos Bertolini	39	Electrolux Home Products
#68	Richard H. Alsenz	39	Altech Controls
#69	Shinichi Wakamoto	39	Mitsubishi Electric
#70	Etsuhisa Yamada	38	Denso
#71	Hyoungkeun Lim	38	LG
#72	Jae Hoon Lim	38	Samsung
#73	Kyle B. Van Meter	38	Whirlpool
#74	Sanjesh Kumar Pathak	38	Whirlpool
#75	Younseok Lee	38	LG
#76	Daewoong Kim	37	LG
#77	Dongjeong Kim	37	LG
#78	Kevin Knatt	37	True Manufacturing Co.
#79	William L. Kopko	37	Johnson Controls Technology
#80	Eric Scalf	36	Midea Group Co.
#81	Hao Zhang	36	Qingdao Haier Joint Stock Co.
#82	Kyle T. Cuellar	36	Ortloff Engineers
#83	Mark McMasters	36	Bosch Automotive Service Solutions
#84	Osamu Morimoto	36	Mitsubishi Electric
#85	Tim L. Coulter	36	Whirlpool
#86	Wook Yong Lee	36	LG
#87	Yuji Motomura	36	Mitsubishi Electric
#88	Arun Acharya	35	Praxair Technology
#89	Yong-Chol Kwon	35	LG
#90	Joshua Peters	34	Booz Allen Hamilton
#91	Kook Jeong Seo	34	Samsung
#92	Kyungseok Kim	34	LG
#93	Marcus R. Fischer	34	Whirlpool
#94	Masaaki Takegami	34	Daikin Industries
#95	Steven G. Herndon	34	Whirlpool
#96	Yoon Jei Hwang	34	LG
#97	Gregory Gene Hortin	33	Whirlpool
#98	Kazuhiko Watanabe	33	Fujikoki
#99	Kosuke Tanaka	33	Tdk
#100	Kwanghyun Choi	33	LG

Top Companies

Rank ↑	Company ↕	Patents ↕
1	LG	2,362
2	Whirlpool	1,172
3	Samsung	958
#4	Carrier	880
#5	Mitsubishi Electric	688
#6	GE	485
#7	Daikin Industries	478
#8	L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude	389
#9	Praxair Technology	366
#10	Air Products And Chemicals	347
#11	Bsh Hausgeräte Gmbh	315
#12	Haier Us Appliance Solutions	307
#13	Denso	306
#14	Linde Gmbh	209
#15	The Boc Group Limited	201
#16	Electrolux Home Products	189
#17	Trane International	184
#18	Unknown	182
#19	Sanyo Electric Co.	169
#20	Kabushiki Kaisha Toshiba	167
#21	Hitachi	159
#22	Thermo King	158
#23	Sumitomo Heavy Industries	144
#24	Bsh Bosch Und Siemens Hausgeräte Gmbh	143
#25	Lennox Industries	143
#26	Maytag	138
#27	Johnson Controls Technology	134
#28	Hoshizaki Denki	130
#29	Panasonic	127
#30	Danfoss A/S	117
#31	Heatcraft Refrigeration Products	112
#32	ExxonMobil	111
#33	Haier Smart Home Co.	105
#34	Emerson Climate Technologies	98
#35	Daewoo Electronics	95
#36	Qingdao Haier Refrigerator Co.	81
#37	Sanden	81
#38	Hill Phoenix	79
#39	Midea Group Co.	78
#40	Honeywell	78
#41	Phillips Petroleum	76
#42	L'Air Liquide, Société Anonyme À Directoire Et Conseil De Surveillance Pour L'Étude Et L'Exploitation Des Procédés Georges Claude	71
#43	Sumitomo Electric Industries	69
#44	American Standard	66
#45	RTX (Raytheon)	65
#46	Dongbu Daewoo Electronics	62
#47	Fujikoki	57
#48	Hussmann	55
#49	True Manufacturing Co.	53
#50	Union Carbide	53
#51	IBM	52
#52	Aisin Seiki Kabushiki Kaisha	51
#53	Hoshizaki Electric Co.	51
#54	Parker-Hannifin	51
#55	Mahle International Gmbh	50
#56	Fluor Technologies	48
#57	Ford	48
#58	Qingdao Haier Joint Stock Co.	47
#59	White Consolidated Industries	47
#60	Rheem Manufacturing	45
#61	Rocky Research	45
#62	York International	45
#63	Coca-Cola	44
#64	Emerson Electric	43
#65	Spx	42
#66	Johnson Controls Tyco Ip Holdings Llp	41
#67	Shell Oil Compny	41
#68	Hefei Hualing Co.	40
#69	Sharp Kabushiki Kaisha	40
#70	Tyler Refrigeration	40
#71	General Motors	40
#72	Copeland Lp	39
#73	Mayekawa Mfg. Co.	39
#74	Gas Research Institute	38
#75	Hefei Midea Refrigerator Co.	38
#76	KFUPM	37
#77	Manitowoc Foodservice Companies	37
#78	Bsh Home Appliances	35
#79	Delphi Technologies	35
#80	Hamilton Sundstrand	35
#81	Tecumseh Products	35
#82	Booz Allen Hamilton	34
#83	Bosch Automotive Service Solutions	34
#84	Liebherr-Hausgeräte Ochsenhausen Gmbh	34
#85	Toshiba	34
#86	US Dept of Energy	34
#87	Ebara	33
#88	B/E Aerospace	32
#89	Fujitsu General Limited	32
#90	Nippondenso Co.	32
#91	Ortloff Engineers	32
#92	Hanon Systems	31
#93	Mitsubishi Heavy Industries Thermal Systems	31
#94	Illinois Tool Works	30
#95	Modine Manufacturing	30
#96	Nidec Sankyo	30
#97	Arcelik Anonim Sirketi	29
#98	ITRI	29
#99	Mainstream Engineering	29
#100	The Boeing	29

Refrigeration and cooling Patent Leaders All Time

Patents per Year

Top Inventors

Top Companies