Combustion equipment Patent Leaders 2021

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	Gregory Allen Boardman	12	GE
2	Jason A. Ryon	11	Delavan
3	Pradeep Naik	11	GE
#4	Lev Alexander Prociw	10	Delavan
#5	Clayton Stuart Cooper	7	GE
#6	Keijiro Saito	7	Mitsubishi Electric
#7	Michael A. Benjamin	7	GE
#8	Paul Bryan Cadima	5	Haier Us Appliance Solutions
#9	Robert Sze	5	RTX (Raytheon)
#10	Bengt-Ake Andersson	4	Improbed Ab
#11	Carey Clum	4	RTX (Raytheon)
#12	Chung-Chin Huang	4	Grand Mate Co.
#13	Chin-Ying Huang	4	Grand Mate Co.
#14	David Albin Lind	4	GE
#15	Hsing-Hsiung Huang	4	Grand Mate Co.
#16	Hsin-Ming Huang	4	Grand Mate Co.
#17	James B. Hoke	4	RTX (Raytheon)
#18	Jon E. Sobanski	4	RTX (Raytheon)
#19	Joseph Zelina	4	GE
#20	Kevin Sauer	4	—
#21	Oleg Morenko	4	RTX (Raytheon)
#22	Randal G. McKinney	4	RTX (Raytheon)
#23	Stephen K. Kramer	4	RTX (Raytheon)
#24	Steven D. Porter	4	RTX (Raytheon)
#25	Yen-Jen Yeh	4	Grand Mate Co.
#26	Yunyoung Doh	4	Doosan Heavy Industries & Construction Co.
#27	Christopher A. Wiklof	3	Clearsign Combustion
#28	Dennis M. Moura	3	RTX (Raytheon)
#29	Dongsik Han	3	Bbb
#30	Donggon Lee	3	Doosan Heavy Industries & Construction Co.
#31	Dragisa Ristic	3	GE
#32	Duane Douglas Thomsen	3	GE
#33	Eric John Stevens	3	GE
#34	Frank J. Cunha	3	RTX (Raytheon)
#35	Fredrik Lind	3	Improbed Ab
#36	Gregory A. Zink	3	Delavan
#37	Guillaume Aurelien Godel	3	Safran Aircraft Engines
#38	Haris Musaefendic	3	Safran Aircraft Engines
#39	Henrik Thunman	3	Improbed Ab
#40	Hua Wei HUANG	3	Rolls-Royce Plc
#41	Jongho Uhm	3	Doosan Heavy Industries & Construction Co.
#42	Karthikeyan Sampath	3	GE
#43	Kenji Miyamoto	3	Autonetworks Technologies
#44	Kuan-Chou Lin	3	Grand Mate Co.
#45	Manampathy G. Giridharan	3	GE
#46	Nayan Vinodbhai Patel	3	GE
#47	Romain Nicolas Lunel	3	Snecma
#48	San Quach	3	RTX (Raytheon)
#49	Satoshi Takiguchi	3	Mitsubishi Electric
#50	Shinji Akamatsu	3	Mitsubishi Electric
#51	Si-Man Amy Lao	3	RTX (Raytheon)
#52	Stanislav Kostka	3	RTX (Raytheon)
#53	Timothy A. Fox	3	Siemens Energy
#54	Wei-Cheng Wu	3	TSMC
#55	Ajoy Patra	2	GE
#56	Allen Michael Danis	2	GE
#57	Amin Akbarimonfared	2	Rheem Manufacturing
#58	Anders RAGNARSSON	2	Tigercat Industries
#59	Andrew James Seeley	2	Edwards Limited
#60	Arthur Wesley Johnson	2	GE
#61	Bernhard Schreiner	2	Linde Gmbh
#62	Borys SHERSHNYOV	2	Doosan Enerbility Co.
#63	Brandon Wayne Miller	2	GE
#64	Brian Silva	2	Bsh Hausgeräte Gmbh
#65	Carl L. MULDAL	2	Rolls-Royce Plc
#66	Christophe Chabaille	2	Safran Aircraft Engines
#67	Charlie Edmond Jones	2	GE
#68	Christian SKOVBO	2	—
#69	Clifford E. Johnson	2	Siemens Energy
#70	Corey D. Anderson	2	RTX (Raytheon)
#71	Craig Alan Gonyou	2	GE
#72	Daniel James Bickley	2	Rolls-Royce Plc
#73	Daniel Cassar	2	Siemens Energy Global
#74	Daniel Alan Niergarth	2	GE
#75	Divo Catozzo	2	Warming Trends
#76	Douglas C. Comrie	2	Nox Ii
#77	DOUGLAS W. KARKOW	2	Clearsign Combustion
#78	Drew Allen Dominique	2	Solar Turbines Incorporated
#79	Dylan Garrett Pratt	2	Pebble Technology
#80	Ernesto Andres Vallejo Ruiz	2	GE
#81	Ethan Patrick O'Connor	2	GE
#82	Fernando Biagioli	2	GE
#83	Frank Michael Kluger	2	GE
#84	Fumitaka Ichihashi	2	RTX (Raytheon)
#85	Honza Stastny	2	RTX (Raytheon)
#86	Ikuhiro Sumi	2	Jfe Steel
#87	In Chan Choi	2	Doosan Enerbility Co.
#88	Inchan Choi	2	Doosan Enerbility Co.
#89	Jacob Greenfield	2	Delavan
#90	James Harper	2	GE
#91	Jan Lundgren	2	Volvo Aero
#92	Jack D. Petty	2	—
#93	Jaewon Seo	2	Samsung
#94	Jeffrey J. Bolebruch	2	Blasch Precision Ceramics
#95	Jean Lucas	2	Centre National Du Machinisme Agricole, Du Genie Rural, Des Eaux Et Des Forets (Cemagref)
#96	Jeffrey Michael Martini	2	GE
#97	Jeremy Styborski	2	RTX (Raytheon)
#98	JOSEPH COLANNINO	2	Clearsign Combustion
#99	John D. Holdcraft	2	—
#100	Jost Imfeld	2	Ansaldo Energia Switzerland Ag

Top Companies

Rank ↑	Company ↕	Patents ↕
1	GE	58
2	RTX (Raytheon)	51
3	Rolls-Royce Plc	19
#4	Siemens Energy Global	16
#5	Delavan	14
#6	Mitsubishi Power	11
#7	Honeywell	8
#8	Doosan Heavy Industries & Construction Co.	7
#9	Haier Us Appliance Solutions	6
#10	Safran Aircraft Engines	6
#11	Ansaldo Energia Switzerland Ag	5
#12	Rolls-Royce North America	5
#13	Bsh Hausgeräte Gmbh	4
#14	Bsh Home Appliances	4
#15	Clearsign Technologies	4
#16	Grand Mate Co.	4
#17	Improbed Ab	4
#18	Saudi Arabian Oil	4
#19	Solar Turbines Incorporated	4
#20	Lennox Industries	3
#21	Mitsubishi Electric	3
#22	Pro-Iroda Industries	3
#23	Rinnai	3
#24	Rolls-Royce Deutschland	3
#25	Woodward	3
#26	Beckett Gas	2
#27	Blasch Precision Ceramics	2
#28	Chugai Ro Co.	2
#29	Edwards Limited	2
#30	Emerson Electric	2
#31	Jfe Steel	2
#32	Kawasaki	2
#33	Messer Industries Usa	2
#34	Nox Ii	2
#35	Pebble Technology	2
#36	Rheem Manufacturing	2
#37	Safran Helicopter Engines	2
#38	Siemens Aktiengesellschaft	2
#39	Solaronics	2
#40	Taiheiyo Cement	2
#41	Tigercat Industries	2
#42	Unknown	2
#43	Warming Trends	2
#44	Wuyi University	2
#45	LG	2
#46	8 Rivers Capital	1
#47	Air Products And Chemicals	1
#48	Allied Air Enterprises	1
#49	Arvos Ljungstrom	1
#50	Babington Technology	1
#51	Berry Metal	1
#52	Bertelli & Partners S.R.L	1
#53	Bloom Engineering Company	1
#54	Cardinal Ip Holding	1
#55	Carrier	1
#56	Channel Products	1
#57	Chromalloy Gas Turbine	1
#58	CEA	1
#59	Diamond Candles	1
#60	Doosan Lentjes Gmbh	1
#61	Douglas Technical Limited	1
#62	Dustex	1
#63	Dyc Turbines	1
#64	Eaton Intelligent Power Limited	1
#65	Ebara	1
#66	Eberspächer Climate Control Systems Gmbh	1
#67	Electric Power Research Institute	1
#68	Electrolux Appliances Aktiebolag	1
#69	Emerson Process Management Regulator Technologies	1
#70	Ensyn Renewables	1
#71	Exodraft A/S	1
#72	Fives North American Combustion	1
#73	Fpi Fireplace Products International	1
#74	Fulton Group N.A.	1
#75	Gas Fired Products	1
#76	Ghp Group	1
#77	Haldor Topsøe A/S	1
#78	Halliburton Energy Services	1
#79	Hanwha Aerospace Co.	1
#80	Hotstart	1
#81	Hubbell Incorporated	1
#82	Ifp Energies Nouvelles	1
#83	Illinois Tool Works	1
#84	Indian Institute Of Technology Madras (Iit Madras)	1
#85	Institute Of Nuclear Energy Research, Atomic Energy Council	1
#86	John Gibson Enterprises	1
#87	Johns Manville	1
#88	John Zink Company	1
#89	King Abdullah University Of Science And Technology	1
#90	KFUPM	1
#91	Korea Institute Of Energy Research	1
#92	Kyungdong Navien Co.	1
#93	Linde Engineering North America	1
#94	Linde Gmbh	1
#95	Ludela Technologies	1
#96	Martin Gmbh Für Umwelt- Und Energietechik	1
#97	Maxitrol	1
#98	Mitsubishi Heavy Industries Engineering	1
#99	Moneyhun Equipment Sales & Service Co.	1
#100	Nanjing Forestry University	1

Combustion equipment Patent Leaders in 2021 2021

Patents per Year

Top Inventors

Top Companies