Combustion equipment Patent Leaders 2020

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 Jeffery Eastwood	11	RTX (Raytheon)
2	Christopher A. Wiklof	10	Clearsign Combustion
3	Dennis M. Moura	10	RTX (Raytheon)
#4	DOUGLAS W. KARKOW	9	Clearsign Combustion
#5	Frank J. Cunha	9	RTX (Raytheon)
#6	Geoffrey David Myers	8	GE
#7	Jonathan Dwight Berry	8	GE
#8	JOSEPH COLANNINO	8	Clearsign Combustion
#9	Lev Alexander Prociw	8	Delavan
#10	Monica Pacheco-Tougas	8	RTX (Raytheon)
#11	San Quach	8	RTX (Raytheon)
#12	Stanislav Kostka	8	RTX (Raytheon)
#13	Jason A. Ryon	7	Delavan
#14	Lee E. Bouldin	7	RTX (Raytheon)
#15	Lucas John Stoia	7	GE
#16	Michael John Hughes	7	GE
#17	Steven W. Burd	7	RTX (Raytheon)
#18	Steven D. Porter	7	RTX (Raytheon)
#19	Wei-Long Chen	7	Pro-Iroda Industries
#20	Duane Douglas Thomsen	6	GE
#21	Michael A. Benjamin	6	GE
#22	Nayan Vinodbhai Patel	6	GE
#23	Paul Bryan Cadima	6	Haier Us Appliance Solutions
#24	Carsten CLEMEN	5	Rolls-Royce Deutschland
#25	Chung-Chin Huang	5	Grand Mate Co.
#26	Chin-Ying Huang	5	Grand Mate Co.
#27	Hsing-Hsiung Huang	5	Grand Mate Co.
#28	Hsin-Ming Huang	5	Grand Mate Co.
#29	James B. Hoke	5	RTX (Raytheon)
#30	Jeffrey T. Morton	5	RTX (Raytheon)
#31	Kaitlin Marie Graham	5	GE
#32	Keigo Matsumoto	5	Oki Data
#33	Matthew D. Parekh	5	RTX (Raytheon)
#34	Shinji Akamatsu	5	Mitsubishi Electric
#35	Takashi Ojiro	5	Rinnai
#36	Thomas Edward Johnson	5	GE
#37	Yen-Jen Yeh	5	Grand Mate Co.
#38	Benjamin Bellows	4	RTX (Raytheon)
#39	Brian T. Hazel	4	RTX (Raytheon)
#40	Christian Beck	4	Pitney Bowes
#41	Gregory Allen Boardman	4	GE
#42	Igor A. Krichtafovitch	4	Clearsign Combustion
#43	JAMES K. DANSIE	4	Clearsign Technologies
#44	Jayaprakash Natarajan	4	GE
#45	JESSE DUMAS	4	Clearsign Technologies
#46	Jonathan Lemoine	4	RTX (Raytheon)
#47	Kevin Zacchera	4	RTX (Raytheon)
#48	Kuan-Chou Lin	4	Grand Mate Co.
#49	Michael Maurer	4	Ansaldo Energia Switzerland Ag
#50	Peter Stuttaford	4	Power Systems Mfg.
#51	Richard Martin DiCintio	4	GE
#52	Ryuichiro Tanaka	4	Hitachi
#53	Satoshi Takiguchi	4	Mitsubishi Electric
#54	Seth Reynolds Hoffman	4	GE
#55	Stephen C. HARDING	4	Rolls-Royce Plc
#56	Stephen K. Kramer	4	RTX (Raytheon)
#57	Stanley Kevin Widener	4	GE
#58	Taiki Kinoshita	4	Mitsubishi Electric
#59	Takahiro Ono	4	Omron
#60	Timothy James Purcell	4	GE
#61	Tracy A. Propheter-Hinckley	4	RTX (Raytheon)
#62	Adnan Eroglu	3	Alstom Technology
#63	Albert K. Cheung	3	RTX (Raytheon)
#64	Alexey Yurievich Gerasimov	3	GE
#65	Alfred Albert Mancini	3	GE
#66	Andreas Sadil	3	RTX (Raytheon)
#67	Andre Theuer	3	Ansaldo Energia Switzerland Ag
#68	Bernard Tam-Yen Sam	3	Ansaldo Energia Ip Uk Limited
#69	Brandon W. Spangler	3	RTX (Raytheon)
#70	Clayton Stuart Cooper	3	GE
#71	David J. Sander	3	RTX (Raytheon)
#72	Donald Mark Bailey	3	GE
#73	Douglas C. Comrie	3	Nox Ii
#74	Donald Kendrick	3	Clearsign Technologies
#75	Douglas Anthony Pennell	3	Alstom Technology
#76	Dustin W. Davis	3	RTX (Raytheon)
#77	Ewald Freitag	3	Ansaldo Energia Switzerland Ag
#78	Gregory A. Zink	3	Delavan
#79	Igor Baibuzenko	3	Ansaldo Energia Switzerland Ag
#80	James P. Bangerter	3	RTX (Raytheon)
#81	Jessica L. Serra	3	RTX (Raytheon)
#82	Joshua R. McNally	3	Power Systems Mfg.
#83	John S. Tu	3	RTX (Raytheon)
#84	John Philip Wood	3	Ansaldo Energia Switzerland Ag
#85	Kazuhiro Domoto	3	Mitsubishi Electric
#86	Kay HEINZE	3	Rolls-Royce Deutschland
#87	Kevin J. Spence	3	Doosan Heavy Industries & Construction Co.
#88	Masaki Sugatani	3	Noritz
#89	Masaru Takeuchi	3	Brother Kogyo
#90	Mark F. Zelesky	3	RTX (Raytheon)
#91	Narendra Digamber Joshi	3	GE
#92	Olga Deiss	3	Siemens Aktiengesellschaft
#93	Paul A. HUCKER	3	Rolls-Royce Plc
#94	Randal G. McKinney	3	RTX (Raytheon)
#95	Ricardo Trindade	3	RTX (Raytheon)
#96	Robert E. Breidenthal	3	Clearsign Combustion
#97	Ronnie Ray Pentecost	3	GE
#98	Robert Sze	3	RTX (Raytheon)
#99	Russell B. Hanson	3	RTX (Raytheon)
#100	Sarah Marie Monahan	3	GE

Top Companies

Rank ↑	Company ↕	Patents ↕
1	RTX (Raytheon)	97
2	GE	89
3	Mitsubishi Hitachi Power Systems	19
#4	Rolls-Royce Plc	18
#5	Ansaldo Energia Switzerland Ag	14
#6	Siemens Aktiengesellschaft	14
#7	Clearsign Technologies	10
#8	Honeywell	10
#9	Delavan	9
#10	Doosan Heavy Industries & Construction Co.	9
#11	Rinnai	8
#12	Unknown	8
#13	Haier Us Appliance Solutions	7
#14	Kawasaki	7
#15	Pro-Iroda Industries	7
#16	Rolls-Royce Deutschland	7
#17	Rolls-Royce North America	7
#18	Edwards Limited	5
#19	Grand Mate Co.	5
#20	Noritz	5
#21	Safran Aircraft Engines	4
#22	Whirlpool	4
#23	Clearsign Combustion	3
#24	Emerson Electric	3
#25	Lennox Industries	3
#26	Mitsubishi Electric	3
#27	Nox Ii	3
#28	Smc	3
#29	Toyota	3
#30	Air Products And Chemicals	2
#31	Ansaldo Energia Ip Uk Limited	2
#32	Borgwarner Ludwigsburg Gmbh	2
#33	Carrier	2
#34	Chugai Ro Co.	2
#35	Hanwha Aerospace Co.	2
#36	Honda Motor Co.	2
#37	Ihi	2
#38	Japan Aerospace Exploration Agency	2
#39	L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude	2
#40	Linde Gmbh	2
#41	National Chung Shan Institute Of Science And Technology	2
#42	Outotec (Finland) Oy	2
#43	Praxair Technology	2
#44	Precision Combustion	2
#45	Rheem Manufacturing	2
#46	Safran Helicopter Engines	2
#47	S.A. Lhoist Recherche Et Développement	2
#48	Southwest Research Institute	2
#49	University Of Texas System	2
#50	Viessmann Werke Gmbh & Co. Kg	2
#51	Webasto Se	2
#52	Ws-Wärmeprozesstechnik Gmbh	2
#53	8 Rivers Capital	1
#54	Ademco	1
#55	Adler Hot Oil Service	1
#56	Alzeta	1
#57	Ansaldo Energia S.P.A.	1
#58	Arizona Board Of Regents For And On Behalf Of Arizona State University	1
#59	Babington Technology	1
#60	B&B Agema Gmbh	1
#61	Beckett Gas	1
#62	Bertelli & Partners S.R.L	1
#63	Beyrodts Best	1
#64	Biochar Now	1
#65	Blasch Precision Ceramics	1
#66	Brown Stove Works	1
#67	Brunswick	1
#68	Bsh Hausgeräte Gmbh	1
#69	Bsh Home Appliances	1
#70	Burner Systems International	1
#71	Chang Gung University	1
#72	Channel Products	1
#73	CEA	1
#74	Dalian Institute Of Chemical Physics, Chinese Academy Of Sciences	1
#75	Diamond Candles	1
#76	Doosan Lentjes Gmbh	1
#77	Duerr Systems Ag	1
#78	Ebara	1
#79	Eberspächer Climate Control Systems Gmbh	1
#80	Electrolux Appliances Aktiebolag	1
#81	Eltek S.P.A.	1
#82	Emerson Process Management Regulator Technologies	1
#83	Ensyn Renewables	1
#84	E.T.I.A.—Evaluation Technologique, Ingenierie Et Applications	1
#85	Exergyn	1
#86	Flsmidth A/S	1
#87	Fraunhofer	1
#88	Gas Technology Institute	1
#89	Geek Wraps	1
#90	Geosyntec Consultants	1
#91	Harger	1
#92	Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Natual Resources	1
#93	Hitachi Zosen Inova Ag	1
#94	Hubbell Incorporated	1
#95	Illinois Tool Works	1
#96	Imerys Usa	1
#97	Improbed Ab	1
#98	Indian Oil Corporation Limited	1
#99	Johns Manville	1
#100	John Zink Company	1

Combustion equipment Patent Leaders in 2020 2020

Patents per Year

Top Inventors

Top Companies