Combustion equipment Patent Leaders 2022

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	Jonathan Dwight Berry	8	GE
2	Luca Tentorio	8	Rolls-Royce Plc
3	Timothy S. Snyder	8	RTX (Raytheon)
#4	Michael A. Benjamin	6	GE
#5	Michael John Hughes	6	GE
#6	Steven C. Vise	6	GE
#7	Aaron D. Sippel	5	—
#8	Ahmed Abdelhafez	5	KFUPM
#9	DOUGLAS W. KARKOW	5	Clearsign Combustion
#10	Donald Kendrick	5	Clearsign Technologies
#11	Filippo Zambon	5	Rolls-Royce Plc
#12	Giacomo Di Chiaro	5	Rolls-Royce Plc
#13	Imon-Kalyan BAGCHI	5	Rolls-Royce Deutschland
#14	Jason A. Ryon	5	Delavan
#15	Jonathan Knapton	5	Rolls-Royce Plc
#16	Juan Carlos Roman Casado	5	Rolls-Royce Plc
#17	Kenta Taniguchi	5	Mitsubishi Electric
#18	Lev Alexander Prociw	5	Delavan
#19	Medhat Ahmed Nemitallah	5	KFUPM
#20	Mohamed A. Habib	5	KFUPM
#21	Paul Bryan Cadima	5	Haier Us Appliance Solutions
#22	Radu Irimia	5	Rolls-Royce Plc
#23	Romain Nicolas Lunel	5	Snecma
#24	Ted J. Freeman	5	—
#25	Borys SHERSHNYOV	4	Doosan Enerbility Co.
#26	Christopher A. Wiklof	4	Clearsign Combustion
#27	Dennis M. Moura	4	RTX (Raytheon)
#28	Fumitaka Ichihashi	4	RTX (Raytheon)
#29	Gurunath Gandikota	4	GE
#30	Jacques Marcel Arthur Bunel	4	Snecma
#31	JAMES K. DANSIE	4	Clearsign Technologies
#32	Karthikeyan Sampath	4	GE
#33	Kapil Kumar Singh	4	IBM
#34	Kei Inoue	4	Mitsubishi Electric
#35	Kenji Miyamoto	4	Autonetworks Technologies
#36	Keijiro Saito	4	Mitsubishi Electric
#37	Lawrence A. Binek	4	RTX (Raytheon)
#38	Perumallu Vukanti	4	GE
#39	Satoshi Takiguchi	4	Mitsubishi Electric
#40	Satoshi Tanimura	4	Mitsubishi Electric
#41	Stephen K. Kramer	4	RTX (Raytheon)
#42	Allen Michael Danis	3	GE
#43	Alexander Myatlev	3	Doosan Enerbility Co.
#44	Carey Clum	3	RTX (Raytheon)
#45	Clayton Stuart Cooper	3	GE
#46	Eric John Stevens	3	GE
#47	François Xavier Chapelle	3	Safran Aircraft Engines
#48	Gregory Allen Boardman	3	GE
#49	Jason Dean Fuller	3	GE
#50	James B. Hoke	3	RTX (Raytheon)
#51	Narendra Digamber Joshi	3	GE
#52	Nayan Vinodbhai Patel	3	GE
#53	Nicholas R. Overman	3	GE
#54	Pradeep Naik	3	GE
#55	Tin Cheung John Hu	3	RTX (Raytheon)
#56	Yuya Sano	3	Taiheiyo Cement
#57	Aaron Michael Dziech	2	GE
#58	Akira Baba	2	Yazaki
#59	Akinori Hayashi	2	Mitsubishi Hitachi Power Systems
#60	Alessandro Scarpato	2	Ansaldo Energia Switzerland Ag
#61	Andre Theuer	2	Ansaldo Energia Switzerland Ag
#62	Brian Martin	2	Electrolux Home Products
#63	Chung-Chin Huang	2	Grand Mate Co.
#64	Chin-Ying Huang	2	Grand Mate Co.
#65	Chin-Lin Tsai	2	Roburn Company
#66	Christopher James Wenner	2	GE
#67	David William Billman	2	Haier Us Appliance Solutions
#68	Daniel L. Folkers	2	Chromalloy Gas Turbine
#69	Dan-Ranjiv Joory	2	Safran Aircraft Engines
#70	David Kalensky	2	Gas Technology Institute
#71	Dariusz Oliwiusz Palys	2	GE
#72	Darton J. Zink	2	Zeeco
#73	Dennis Craig Siegel	2	Wm Intellectual Property Holdings, L.L.C.
#74	Donald Michael Corsmeier	2	GE
#75	Duane Douglas Thomsen	2	GE
#76	Evan Butcher	2	RTX (Raytheon)
#77	Félix Querejeta Andueza	2	Copreci, S.Coop.
#78	Frank J. Cunha	2	RTX (Raytheon)
#79	Gregory W. Zeaton	2	Rolls-Royce North America
#80	Gregory A. Zink	2	Delavan
#81	Haris Musaefendic	2	Safran Aircraft Engines
#82	Hsing-Hsiung Huang	2	Grand Mate Co.
#83	Hsin-Ming Huang	2	Grand Mate Co.
#84	Jason Nathaniel Cook	2	GE
#85	Jack D. Petty	2	—
#86	James Robins	2	Rolls-Royce Deutschland
#87	JESSE DUMAS	2	Clearsign Technologies
#88	Jennifer Nicole Lea	2	Haier Us Appliance Solutions
#89	JONATHAN BUCHER	2	Clearsign Combustion
#90	JOSEPH COLANNINO	2	Clearsign Combustion
#91	John McKinney	2	The Duriron Company
#92	John Petersen	2	Zeeco
#93	Jon E. Sobanski	2	RTX (Raytheon)
#94	Jun Kyu Park	2	Kyungdong Navien Co.
#95	Kana Horiba	2	Taiheiyo Cement
#96	Katsuyoshi TADA	2	Mitsubishi Electric
#97	Kevin Sauer	2	—
#98	Kevin W. White	2	RTX (Raytheon)
#99	Kosuke Kitakaze	2	Mitsubishi Electric
#100	Koji Kuramashi	2	Kyocera Document Solutions

Top Companies

Rank ↑	Company ↕	Patents ↕
1	GE	60
2	RTX (Raytheon)	44
3	Rolls-Royce Plc	20
#4	Mitsubishi Power	12
#5	Safran Aircraft Engines	12
#6	Mitsubishi Electric	9
#7	Haier Us Appliance Solutions	7
#8	Siemens Energy Global	7
#9	Rolls-Royce Deutschland	6
#10	Rolls-Royce North America	6
#11	Honeywell	6
#12	Clearsign Technologies	5
#13	Collins Engine Nozzles	5
#14	KFUPM	5
#15	Rheem Manufacturing	4
#16	Ansaldo Energia Switzerland Ag	3
#17	Bsh Hausgeräte Gmbh	3
#18	Carrier	3
#19	Copreci, S.Coop.	3
#20	Midea Group Co.	3
#21	Regal Beloit America	3
#22	Taiheiyo Cement	3
#23	Ademco	2
#24	Chromalloy Gas Turbine	2
#25	Delavan	2
#26	Electrolux Home Products	2
#27	Gas Technology Institute	2
#28	Grand Mate Co.	2
#29	Illinois Tool Works	2
#30	Kawasaki	2
#31	Kyungdong Navien Co.	2
#32	Pro-Iroda Industries	2
#33	Roburn Company	2
#34	Unknown	2
#35	Webasto Se	2
#36	Whirlpool	2
#37	Wm Intellectual Property Holdings, L.L.C.	2
#38	Zeeco	2
#39	8 Rivers Capital	1
#40	Aecc Commercial Aircraft Engine Co.	1
#41	American Air Liquide	1
#42	Andritz	1
#43	Astec Co.	1
#44	Azbil	1
#45	Beckett Gas	1
#46	Bekaert Combustion Technology B.V.	1
#47	Berry Metal	1
#48	Bertelli & Partners S.R.L	1
#49	Beteiligungen Sorg Gmbh & Co. Kg	1
#50	Beyrodts Best	1
#51	Bloom Engineering Company	1
#52	Brunswick	1
#53	Bsh Home Appliances	1
#54	Casale Sa	1
#55	Central Boiler	1
#56	Clearsign Combustion	1
#57	Dansons Us	1
#58	Diamond Candles	1
#59	Doosan Enerbility Co.	1
#60	Douglas Technical Limited	1
#61	Drever International	1
#62	Dustex	1
#63	Dyc Turbines	1
#64	Ebm Papst Landshut Gmbh	1
#65	Electrolux Appliances Aktiebolag	1
#66	Field Controls	1
#67	Fulton Group N.A.	1
#68	Gree Electric Appliances, Inc. Of Zhuhai	1
#69	Gsi Outdoors	1
#70	Guangdong University Of Technology	1
#71	Hanwha Aerospace Co.	1
#72	Harger	1
#73	Honda Motor Co.	1
#74	Huazhong University Of Science And Technology	1
#75	Hubbell Incorporated	1
#76	Ihi	1
#77	Indian Institute Of Technology Madras (Iit Madras)	1
#78	Johns Manville	1
#79	Khalifa University Of Science And Technology	1
#80	King Abdullah University Of Science And Technology	1
#81	L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude	1
#82	Ludela Technologies	1
#83	Man Energy Solutions Se	1
#84	Masterson Enterprises	1
#85	Maxitrol	1
#86	Mestek	1
#87	Mitsubishi Heavy Industries Aero Engines	1
#88	Mitsubishi Heavy Industries Engineering	1
#89	Mitsubishi Heavy Industries Environmental & Chemical Engineering Co.	1
#90	Ningbo Richen Electrical Appliance Co.	1
#91	Noritz	1
#92	Nova Chemicals (International) S.A.	1
#93	Novelis	1
#94	Nuovo Pignone Srl	1
#95	Office National D'Etudes Et De Recherches Aérospatiales	1
#96	Orkli, S.Coop.	1
#97	Outotec (Finland) Oy	1
#98	Parker-Hannifin	1
#99	Pilkington Group Limited	1
#100	Pittway Sarl	1

Combustion equipment Patent Leaders in 2022 2022

Patents per Year

Top Inventors

Top Companies