{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Technologies", "item": "https://www.patentleaderboard.com/technologies"}, {"@type": "ListItem", "position": 3, "name": "Combustion engines", "item": "https://www.patentleaderboard.com/technology/combustion-engines"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Combustion engines

Combustion engines Patent Leaders in 2023 2023

Primary CPC class F02 · Section F

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: 2016201720182019202020212022202320242025

Patents per Year

Patents granted per year, 1996 to 2025Bar chart with a peak of 3,504 patents in 2019.peak 3,5041996: 1,278 patents19961997: 1,294 patents1998: 1,623 patents1999: 1,588 patents19992000: 1,833 patents2001: 2,148 patents2002: 2,201 patents20022003: 2,266 patents2004: 2,345 patents2005: 2,128 patents20052006: 2,254 patents2007: 1,917 patents2008: 1,769 patents20082009: 1,537 patents2010: 1,983 patents2011: 1,884 patents20112012: 2,141 patents2013: 2,425 patents2014: 2,430 patents20142015: 2,568 patents2016: 2,849 patents2017: 3,158 patents20172018: 3,451 patents2019: 3,504 patents2020: 3,262 patents20202021: 2,935 patents2022: 2,624 patents2023: 2,145 patents20232024: 1,924 patents2025: 1,530 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Aed M. Dudar 28 Ford
2 Jason A. Ryon 21 Delavan
3 Adam Edgar Klingbeil 18 GE
#4 Lev Alexander Prociw 18 Delavan
#5 Daniel Bernard Kupratis 17 RTX (Raytheon)
#6 Ricardo Rodriguez-Ramon 17 Bj Energy Solutions
#7 Tony Yeung 17 Bj Energy Solutions
#8 Brandon Wayne Miller 14 GE
#9 Gabriel L. Suciu 14 RTX (Raytheon)
#10 Frederick M. Schwarz 13 RTX (Raytheon)
#11 Craig W Bemment 12 Rolls-Royce Plc
#12 Marc J. Muldoon 12 RTX (Raytheon)
#13 Thomas Michael Lavertu 12 GE
#14 Brandon P. Williams 11 Collins Engine Nozzles
#15 Joseph B. Staubach 11 RTX (Raytheon)
#16 Timothy Gormley 11 Rohr
#17 Peter Swann 10 Rolls-Royce Plc
#18 Christopher P Madden 9 Rolls-Royce Plc
#19 Eric Dillen 9 GE
#20 J. Michael Gwidt 9 General Motors
#21 Kenji Uchida 9 Mazda Motor
#22 Mark Spruce 9 Rolls-Royce Plc
#23 Neil J. Terwilliger 9 RTX (Raytheon)
#24 Ryohei Ono 9 Mazda Motor
#25 William G. Sheridan 9 RTX (Raytheon)
#26 Yuji Harada 9 Mazda Motor
#27 Adrien Louis Simon 8 Safran Transmission Systems
#28 Andrea Piazza 8 GE
#29 Arthur William Sibbach 8 GE
#30 Joseph Foster 8 Bj Energy Solutions
#31 Natalie C Wong 8 Rolls-Royce Plc
#32 Paul R. Hanrahan 8 RTX (Raytheon)
#33 Rani Kiwan 8 Ford
#34 Thomas S Binnington 8 Rolls-Royce Plc
#35 Yuto Ikeda 8 Toyota
#36 Adam Krach 7 Ford
#37 Chris Paul Glugla 7 Ford
#38 Eric Lee Schroeder 7 Caterpillar
#39 Jeffrey Douglas Rambo 7 GE
#40 Yuki Nose 7 Toyota
#41 Alastair G Hobday 6 Rolls-Royce Plc
#42 Benjamin J Keeler 6 Rolls-Royce Plc
#43 Brian D. Merry 6 RTX (Raytheon)
#44 Daniel Blacker 6 Rolls-Royce Plc
#45 David A Jones 6 Rolls-Royce Plc
#46 Daniel Alan Niergarth 6 GE
#47 James H. Buchwitz 6 Polaris Industries
#48 Jeffrey Allen Doering 6 Ford
#49 J. Steven Kolhouse 6 Cummins
#50 John Eric Rollinger 6 Ford
#51 Lucas R. Salfer 6 Polaris Industries
#52 Michael A. Benjamin 6 GE
#53 Michael E. McCune 6 RTX (Raytheon)
#54 Ravindra Shankar Ganiger 6 GE
#55 Ryan Prescott Susca 6 Hamilton Sundstrand
#56 Stéphane Eloy 6 Vitesco Technologies Gmbh
#57 Steve Williams 6 K&N Engineering
#58 Takanobu Gotoh 6 Toyota
#59 Brenton William Bush 5 Caterpillar
#60 Bugra Han Ertas 5 GE
#61 Caroline Marie Frantz 5 Safran Aircraft Engines
#62 Daniel Alecu 5 RTX (Raytheon)
#63 Dallas J. Blake 5 Polaris Industries
#64 Darren J. Hedlund 5 Polaris Industries
#65 David Menheere 5 RTX (Raytheon)
#66 Douglas Raymond Martin 5 Ford
#67 Eric Matthew Kurtz 5 Ford
#68 Eyitayo James Owoeye 5 GE
#69 Ghislain Plante 5 RTX (Raytheon)
#70 Gregory A. Zink 5 Delavan
#71 Hitoki Sugimoto 5 Toyota
#72 Kennon Guglielmo 5 Econtrols
#73 Keith Morgan 5 RTX (Raytheon)
#74 Kevin Nguyen 5 RTX (Raytheon)
#75 Kenth I. Svensson 5 Caterpillar
#76 Kian McCaldon 5 RTX (Raytheon)
#77 Masashi Inaba 5 Denso
#78 Marc Versaevel 5 Safran Nacelles
#79 Mitsuhiro Muto 5 Mazda Motor
#80 Michiel J. Van Nieuwstadt 5 Ford
#81 Narayanan Payyoor 5 GE
#82 Philippe Beauchesne-Martel 5 RTX (Raytheon)
#83 Shawn Spannbauer 5 Ford
#84 Takuma Fujii 5 Sony
#85 Tatsuya Okuwa 5 Kawasaki
#86 Werner HOLLY 5 Mercedes-Benz Group Ag
#87 Weize Kang 5 GE
#88 Adrian Benjamin Bodishbaugh 4 Ice Thermal Harvesting
#89 Aigbedion Akwara 4 GE
#90 Andrew O. Marrack 4 Caterpillar
#91 Anthony Kyle Perfetto 4 Cummins
#92 Brian Lewis Devendorf 4 GE
#93 Bruno Alexandre Didier Jacon 4 Safran Aircraft Engines
#94 Carrie Jeanne Murtland 4 Ice Thermal Harvesting
#95 Cory A. Brown 4 Caterpillar
#96 Dana R. Coldren 4 Caterpillar
#97 Derek D. Zimney 4 Polaris Industries
#98 Fabio De Bellis 4 GE
#99 Fredrik Rahm 4 Volvo Truck
#100 Gary Collopy 4 RTX (Raytheon)

Top Companies

Rank ↑ Company ↕ Patents ↕
1 RTX (Raytheon) 212
2 GE 134
3 Ford 104
#4 Caterpillar 64
#5 Toyota 63
#6 Rolls-Royce Plc 61
#7 Safran Aircraft Engines 45
#8 Hyundai Motor 44
#9 Cummins 41
#10 Kia 39
#11 Mazda Motor 35
#12 Hamilton Sundstrand 34
#13 Denso 32
#14 Vitesco Technologies Gmbh 32
#15 Transportation Ip Holdings 31
#16 Rohr 28
#17 Hitachi Astemo 24
#18 Honda Motor Co. 24
#19 Mitsubishi Electric 24
#20 Volvo Truck 24
#21 General Motors 20
#22 Robert Bosch Gmbh 18
#23 Bj Energy Solutions 17
#24 Collins Engine Nozzles 17
#25 Safran Nacelles 17
#26 Garrett Transportation I 16
#27 Nissan Motor Co. 16
#28 Mitsubishi Heavy Industries Engine & Turbocharger 13
#29 Rolls-Royce North America 13
#30 Safran Transmission Systems 13
#31 The Boeing 13
#32 Tula Etechnology 13
#33 Woodward 12
#34 Honeywell 11
#35 Aisan Kogyo Kabushiki Kaisha 10
#36 Eaton Intelligent Power Limited 10
#37 Kawasaki 10
#38 Mahle International Gmbh 10
#39 Polaris Industries 10
#40 Yamaha Motor 10
#41 Airbus Operations Sas 9
#42 Kohler 9
#43 Yamabiko 9
#44 Briggs & Stratton 8
#45 Mann+Hummel Gmbh 8
#46 Subaru 8
#47 John Deere 8
#48 BMW 7
#49 Delphi Technologies Ip Limited 7
#50 Fca Us Llc. 7
#51 K&N Engineering 7
#52 Mercedes-Benz Group Ag 7
#53 Rolls-Royce Deutschland 7
#54 Scania Cv Ab 7
#55 Textron Innovations 7
#56 Volkswagen 7
#57 Walbro 7
#58 Yanmar Power Technology Co. 7
#59 Borgwarner 6
#60 Innio Jenbacher Gmbh & Co Og 6
#61 Jaguar Land Rover Limited 6
#62 Man Truck & Bus Se 6
#63 Saudi Arabian Oil 6
#64 Siemens Energy Global 6
#65 8 Rivers Capital 5
#66 Bombardier Recreational Products 5
#67 Hyundai Kefico 5
#68 Kia Motors 5
#69 Kubota 5
#70 Safran 5
#71 Tenneco Automotive Operating Company 5
#72 Unison Industries 5
#73 Unknown 5
#74 Achates Power 4
#75 American Cng 4
#76 Arctic Cat 4
#77 Arianegroup Sas 4
#78 Audi Ag 4
#79 Delavan 4
#80 Econtrols 4
#81 Husqvarna Ab 4
#82 Ice Thermal Harvesting 4
#83 Illinois Tool Works 4
#84 International Engine Intellectual Property Company 4
#85 Toyota Industries 4
#86 Kawasaki Motors 4
#87 MIT 4
#88 Mitsubishi Motors 4
#89 Nikki Co. 4
#90 Perkins Engines Company Limited 4
#91 Rolls-Royce Solutions, Gmbh 4
#92 Schaeffler 4
#93 Yantai Jereh Petroleum Equipment & Technologies Co. 4
#94 Advanced Flow Engineering 3
#95 Andreas Stihl Ag & Co. Kg 3
#96 Arianegroup Gmbh 3
#97 Asahi Denso Co. 3
#98 Brp Us 3
#99 Champion Power Equipment 3
#100 Coavis 3