Combustion equipment Patent Leaders 2018

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	JOSEPH COLANNINO	18	Clearsign Combustion
2	Christopher A. Wiklof	17	Clearsign Combustion
3	DOUGLAS W. KARKOW	9	Clearsign Combustion
#4	Igor A. Krichtafovitch	9	Clearsign Combustion
#5	David B. Goodson	6	Clearsign Combustion
#6	Kaitlin Marie Graham	6	GE
#7	Robert E. Breidenthal	6	Clearsign Combustion
#8	Curtis L. Taylor	5	Honeywell
#9	Frank J. Cunha	5	RTX (Raytheon)
#10	Jonathan Dwight Berry	5	GE
#11	Lewis Berkley Davis, Jr.	5	GE
#12	Lev Alexander Prociw	5	Delavan
#13	Bruno Schuermans	4	Alstom Technology
#14	Charalambos Polyzopoulos	4	Siemens Energy
#15	Duane Douglas Thomsen	4	GE
#16	Gregory Thomas Foster	4	GE
#17	James Hua Lau	4	Progreen Labs
#18	Krishnakumar Venkataraman	4	GE
#19	Luis Murillo	4	Progreen Labs
#20	Nayan Vinodbhai Patel	4	GE
#21	Peter Stuttaford	4	Power Systems Mfg.
#22	Richard L. Thackway	4	Siemens Energy
#23	Satoshi Takiguchi	4	Mitsubishi Electric
#24	Stanley Kevin Widener	4	GE
#25	Timothy S. Snyder	4	RTX (Raytheon)
#26	Tomomi Koganezawa	4	Hitachi
#27	Tracy A. Prevo	4	Clearsign Combustion
#28	Zhongtao Dai	4	RTX (Raytheon)
#29	Alexander W. Williams	3	RTX (Raytheon)
#30	Atsushi Yuasa	3	Mitsubishi Electric
#31	Christopher B. Lyons	3	Prince Castle
#32	Cheng-Nan Yang	3	Pro-Iroda Industries
#33	Daniel J. Masterson	3	Masterson Enterprises
#34	Denis Jean Maurice Sandelis	3	Snecma
#35	Dipan Pravin Surati	3	Fellowes
#36	Ewald Freitag	3	Ansaldo Energia Switzerland Ag
#37	Frederic Geiger	3	GE
#38	Francois Granier	3	GE
#39	James B. Hoke	3	RTX (Raytheon)
#40	Jason A. Ryon	3	Delavan
#41	Jianping Wang	3	Hoffmann-La Roche
#42	Kazuki ABE	3	Mitsubishi Hitachi Power Systems
#43	Kazuyoshi Terakoshi	3	Tsukishima Kikai Co.
#44	Keisuke Miura	3	Kubota
#45	Keijiro Saito	3	Mitsubishi Electric
#46	Kristin Kopp-Vaughan	3	RTX (Raytheon)
#47	Lucas John Stoia	3	GE
#48	Mirko Ruben Bothien	3	Ansaldo Energia Switzerland Ag
#49	Michael John Hughes	3	GE
#50	Michael Papple	3	RTX (Raytheon)
#51	Monica Pacheco-Tougas	3	RTX (Raytheon)
#52	Shinji Akamatsu	3	Mitsubishi Electric
#53	Stanislav Kostka	3	RTX (Raytheon)
#54	Takafumi Yamamoto	3	Tokai Rubber Industries
#55	Thierry Pourchot	3	GE
#56	Adnan Eroglu	2	Alstom Technology
#57	Akinori Hayashi	2	Mitsubishi Hitachi Power Systems
#58	Alfred Albert Mancini	2	GE
#59	Almaz Valeev	2	GE
#60	Andrew James Seeley	2	Edwards Limited
#61	Axel Widenhorn	2	Dürr Systems Ag
#62	Bard Lindstrom	2	Powercell Sweden Ab
#63	Bernard Joseph Jean Pierre Carrere	2	Turbomeca
#64	Berthold Köstlin	2	Siemens Aktiengesellschaft
#65	Bruce E. Cain	2	North American Manufacturing
#66	Bruce Crowder	2	Precision Combustion
#67	Brice Marie Yves Emile Le Pannerer	2	Safran Aircraft Engines
#68	Brad Patterson	2	Honeywell
#69	Carolyn Ashley Antoniono	2	GE
#70	Carleton Drew Tait	2	Biomass Energy Enhancements
#71	Christian Beck	2	Pitney Bowes
#72	Christopher D. Curl	2	Alstom Technology
#73	Christopher Drake	2	RTX (Raytheon)
#74	Chunyun Hu	2	Dongfang Electric
#75	Chunfei Zhang	2	Dongfang Electric
#76	Craig Alan Gonyou	2	GE
#77	David Kucera	2	Honeywell
#78	David M. Ritland	2	Siemens Energy
#79	Dean A. Kovash	2	Steffes
#80	Dereck Joseph Ouellet	2	GE
#81	Didier Hippolyte Hernandez	2	Snecma
#82	Dominic J. Mongillo	2	RTX (Raytheon)
#83	Donald E. Pinnick	2	—
#84	Douglas M Van Thorre	2	Biomass Energy Enhancements
#85	Gabriele Gangale	2	Worgas Bruciatori S.R.L.
#86	Hany Rizkalla	2	Alstom Technology
#87	Ian J. Toon	2	Rolls-Royce Plc
#88	Ilya Aleksandrovich Slobodyanskiy	2	GE
#89	Isamu Orito	2	Sanki Engineering Co.
#90	James P. Bangerter	2	RTX (Raytheon)
#91	Jacob William Hardes	2	Siemens Energy
#92	James D. Hill	2	RTX (Raytheon)
#93	James M. Hurney	2	Siemens Energy
#94	James B. Prichard	2	Emerson Electric
#95	Jeffrey M. Cohen	2	RTX (Raytheon)
#96	Jiang Liu	2	Dongfang Electric
#97	Jorge Richard Angulo	2	Whirlpool
#98	Johannes Hermanus Maria Disselhorst	2	Air Products And Chemicals
#99	Jonathan Hale Kegley	2	GE
#100	John S. Tu	2	RTX (Raytheon)

Top Companies

Rank ↑	Company ↕	Patents ↕
1	GE	64
2	RTX (Raytheon)	39
3	Clearsign Combustion	19
#4	Mitsubishi Hitachi Power Systems	14
#5	Ansaldo Energia Switzerland Ag	12
#6	Rolls-Royce Plc	12
#7	Siemens Aktiengesellschaft	12
#8	Honeywell	12
#9	Delavan	9
#10	Siemens Energy	8
#11	Ansaldo Energia Ip Uk Limited	6
#12	Mitsubishi Electric	5
#13	Noritz	5
#14	Snecma	5
#15	Air Products And Chemicals	4
#16	Kyungdong Navien Co.	4
#17	Progreen Labs	4
#18	Pro-Iroda Industries	4
#19	Rolls-Royce North America	4
#20	Safran Aircraft Engines	4
#21	Changzhou Gardensun Furnace Co.	3
#22	Edwards Limited	3
#23	Ihi	3
#24	Kawasaki	3
#25	Lennox Industries	3
#26	Masterson Enterprises	3
#27	Rinnai	3
#28	Rolls-Royce Deutschland	3
#29	The Babcock & Wilcox	3
#30	Tsukishima Kikai Co.	3
#31	Webasto Se	3
#32	ExxonMobil	3
#33	Azbil	2
#34	Beyrodts Best	2
#35	Carrier	2
#36	Copreci, S.Coop.	2
#37	Dongfang Electric	2
#38	Doosan Heavy Industries & Construction Co.	2
#39	Dürr Systems Ag	2
#40	Eberspächer Climate Control Systems Gmbh	2
#41	Emerson Electric	2
#42	Fives North American Combustion	2
#43	Haier Us Appliance Solutions	2
#44	Halliburton Energy Services	2
#45	Johns Manville	2
#46	Kovea Co.	2
#47	Lamplight Farms Incorporated	2
#48	Mitsubishi Heavy Industries Environmental & Chemical Engineering Co.	2
#49	Ngk Spark Plug Co.	2
#50	Precision Combustion	2
#51	Rheem Manufacturing	2
#52	Safran Helicopter Engines	2
#53	Sanki Engineering Co.	2
#54	Sit S.P.A.	2
#55	Steffes	2
#56	Unknown	2
#57	Whirlpool	2
#58	Worgas Bruciatori S.R.L.	2
#59	AMD	1
#60	Alite Gmbh	1
#61	Andritz	1
#62	Babcock Power Services	1
#63	Bic-Violex Sa	1
#64	Biomass Controls	1
#65	Nevada System Of Higher Education On Behalf Of The Of The University Of Nevada, Reno	1
#66	Bond Manufacturing Co.	1
#67	Borgwarner Beru Systems Gmbh	1
#68	Borgwarner Ludwigsburg Gmbh	1
#69	Bosch	1
#70	Broco	1
#71	Bromic Heating Pty. Limited	1
#72	Bsh Hausgeräte Gmbh	1
#73	Chinook End-Stage Recycling Limited	1
#74	Degremont	1
#75	Deutsches Zentrum Für Luft—Und Raumfahrt E.V.	1
#76	Diamond Candles	1
#77	Dieffenbacher Gmbh Maschinen- Und Anlagenbau	1
#78	Doosan Babcock Limited	1
#79	Doosan Lentjes Gmbh	1
#80	Dunan Microstaq	1
#81	Eclipse	1
#82	Ecolab Usa	1
#83	Eisenmann Se	1
#84	Electrolux Appliances Aktiebolag	1
#85	Electrolux Home Products Corporation N. V.	1
#86	Eltek S.P.A.	1
#87	Emisshield	1
#88	Ensyn Renewables	1
#89	Environmental Energy Services	1
#90	European Copper	1
#91	Evonik Degussa Gmbh	1
#92	Exergyn	1
#93	Exodraft A/S	1
#94	Exponential Technologies	1
#95	Field Controls	1
#96	Fives Pillard	1
#97	Gas Technology Institute	1
#98	Haldor Topsøe A/S	1
#99	Hanbat National University Industry-Academic Cooperation Foundation	1
#100	Hanwha Techwin Co.	1

Combustion equipment Patent Leaders in 2018 2018

Patents per Year

Top Inventors

Top Companies