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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Combustion engines

Combustion engines Patent Leaders in 2018 2018

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 46 Ford
2 Gabriel L. Suciu 43 RTX (Raytheon)
3 Gopichandra Surnilla 42 Ford
#4 Chris Paul Glugla 30 Ford
#5 Joseph Norman Ulrey 28 Ford
#6 Ross Dykstra Pursifull 26 Ford
#7 Frederick M. Schwarz 24 RTX (Raytheon)
#8 Daniel Bernard Kupratis 21 RTX (Raytheon)
#9 Kyoung Pyo Ha 20 Hyundai Motor
#10 William G. Sheridan 20 RTX (Raytheon)
#11 Xiaogang Zhang 20 Ford
#12 You Sang Son 20 Hyundai Motor
#13 Joerg Kemmerling 19 Ford
#14 Helmut Matthias Kindl 18 Ford
#15 In Sang Ryu 18 Hyundai Motor
#16 Jesse M. Chandler 18 RTX (Raytheon)
#17 Kiyoung Kwon 18 Hyundai Motor
#18 Vanco Smiljanovski 18 Ford
#19 Franz Arnd Sommerhoff 17 Ford
#20 Andreas Kuske 15 Ford
#21 Brian D. Merry 15 RTX (Raytheon)
#22 Jean Thomassin 15 RTX (Raytheon)
#23 Mohannad Hakeem 13 Ford
#24 Richard E. Soltis 13 Ford
#25 Baitao Xiao 12 Ford
#26 Hideki Hagari 12 Mitsubishi Electric
#27 Joseph Lyle Thomas 12 Ford
#28 Brad Alan Boyer 11 Ford
#29 Daniel A. Makled 11 Ford
#30 Ethan D. Sanborn 11 Ford
#31 Hamid-Reza Ossareh 11 Ford
#32 Lewis Berkley Davis, Jr. 11 GE
#33 Michael McQuillen 11 Ford
#34 Thomas G. Leone 11 Ford
#35 Christopher Donald Wicks 10 Ford
#36 James D. Hill 10 RTX (Raytheon)
#37 Sanji Ekanayake 10 GE
#38 Yuji Ikeda 10 Imagineering
#39 Adam Edgar Klingbeil 9 GE
#40 Alston Ilford Scipio 9 GE
#41 Daniel Joseph Styles 9 Ford
#42 Douglas Raymond Martin 9 Ford
#43 Gary D. Roberge 9 RTX (Raytheon)
#44 Kenneth James Miller 9 Ford
#45 Louis J. Serrano 9 Tula Etechnology
#46 Satoru Nakayama 9 Denso
#47 Takahiro Yamazaki 9 Yamabiko
#48 Yusuke Suzuki 9 Toyota
#49 Adam Nathan Banker 8 Ford
#50 Andre Julien 8 RTX (Raytheon)
#51 Daniel Paul Madison 8 Ford
#52 Franz J. Brinkmann 8 Ford
#53 James Robert Mischler 8 GE
#54 John Eric Rollinger 8 Ford
#55 Masanao Idogawa 8 Toyota
#56 Michael E. McCune 8 RTX (Raytheon)
#57 Norihisa Nakagawa 8 Toyota
#58 Paul Hollar 8 Ford
#59 Robert Roy Jentz 8 Ford
#60 Susumu Kojima 8 Toyota
#61 Timothy Gormley 8 Rohr
#62 Wesley K. Lord 8 RTX (Raytheon)
#63 Yuji Yamaguchi 8 Toyota
#64 Akimitsu Sugiura 7 Denso
#65 Daniel Dusa 7 Ford
#66 Dennis Seung-Man Yang 7 Ford
#67 Dong Hee Han 7 Hyundai Motor
#68 Gary L. Hunter 7 Avl Powertrain Engineering
#69 Joseph Philip Klosinski 7 GE
#70 Jong Il Park 7 Hyundai Motor
#71 Mauro Grandi 7 Continental Automotive Gmbh
#72 Mike Fontaine 7 —
#73 Michihisa Yokono 7 Mitsubishi Electric
#74 Richard P. Meisner 7 RTX (Raytheon)
#75 Scott Arthur Day 7 GE
#76 Shuntaro Okazaki 7 Toyota
#77 Shunichi Takeda 7 Denso
#78 William K. Ackermann 7 RTX (Raytheon)
#79 Yoshikazu Miyabe 7 Aisan Kogyo Kabushiki Kaisha
#80 Andreas Rehwald 6 Robert Bosch Gmbh
#81 Boris Karpman 6 RTX (Raytheon)
#82 Clifford E. Maki 6 Ford
#83 Daniel Marc 6 Continental Automotive Gmbh
#84 Eric Matthew Kurtz 6 Ford
#85 Gregory Patrick McConville 6 Ford
#86 Harold Lamar Jordan, Jr. 6 GE
#87 Hiroshi Miyamoto 6 Mitsubishi Electric
#88 Hidekazu Tsunoda 6 Yamabiko
#89 Hiroyuki Yamashita 6 Kao
#90 Keiichiro Aoki 6 Toyota
#91 Luke Henry 6 GE
#92 Lubomir A. Ribarov 6 Hamilton Sundstrand
#93 Makoto Toriyama 6 Denso
#94 Minoru Akita 6 Aisan Kogyo Kabushiki Kaisha
#95 Michael Fischer 6 Robert Bosch Gmbh
#96 Michael James Uhrich 6 Ford
#97 Nathan Snape 6 RTX (Raytheon)
#98 Noriyasu Adachi 6 Toyota
#99 Predrag Todorovic 6 Rolls-Royce Deutschland
#100 Rex Allen Morgan 6 GE

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Ford 371
2 RTX (Raytheon) 287
3 Toyota 231
#4 GE 163
#5 General Motors 127
#6 Hyundai Motor 125
#7 Denso 109
#8 Robert Bosch Gmbh 91
#9 Continental Automotive Gmbh 84
#10 Caterpillar 73
#11 Mazda Motor 56
#12 Honda Motor Co. 54
#13 Mitsubishi Electric 51
#14 Cummins 49
#15 Nissan Motor Co. 44
#16 Borgwarner 37
#17 Rolls-Royce Plc 34
#18 Kia Motors 33
#19 Snecma 29
#20 The Boeing 26
#21 Aisan Kogyo Kabushiki Kaisha 25
#22 Hamilton Sundstrand 24
#23 Mahle International Gmbh 23
#24 Rohr 23
#25 Honeywell 22
#26 Hitachi Automotive Systems 21
#27 Siemens Aktiengesellschaft 20
#28 Mitsubishi Hitachi Power Systems 19
#29 Delphi Technologies Ip Limited 18
#30 Kawasaki 18
#31 Federal-Mogul Worldwide 17
#32 Rolls-Royce Deutschland 17
#33 Achates Power 16
#34 Fca Us Llc. 16
#35 Safran Aircraft Engines 15
#36 Unknown 15
#37 Denso International America 14
#38 Tula Etechnology 14
#39 ExxonMobil 14
#40 Airbus Operations Sas 13
#41 Jaguar Land Rover Limited 12
#42 Rolls-Royce North America 12
#43 Westport Power 12
#44 Yanmar Holdings Co. 12
#45 Aircelle 11
#46 Ihi 11
#47 Mann+Hummel Gmbh 11
#48 Yamabiko 11
#49 Yamaha Motor 11
#50 Avl Powertrain Engineering 10
#51 Brunswick 10
#52 Mitsubishi Motors 10
#53 Mtu Friedrichshafen Gmbh 10
#54 Volvo Truck 10
#55 Walbro 10
#56 Ansaldo Energia Switzerland Ag 9
#57 Imagineering 9
#58 BMW 8
#59 Briggs & Stratton 8
#60 Dr. Ing. H.C. F. Porsche Ag 8
#61 Safran Helicopter Engines 8
#62 Scania Cv Ab 8
#63 Southwest Research Institute 8
#64 Woodward 8
#65 Airbus Helicopters 7
#66 Aisin Seiki Kabushiki Kaisha 7
#67 Kyosan Denki Co. 7
#68 Pierburg Gmbh 7
#69 Suzuki Motor 7
#70 8 Rivers Capital 6
#71 Cnh Industrial America 6
#72 Toyota Industries 6
#73 Kohler 6
#74 Kubota 6
#75 Magneti Marelli S.P.A. 6
#76 Man Truck &Bus Ag 6
#77 Mitsubishi Heavy Industries Engine & Turbocharger 6
#78 Ngk Spark Plug Co. 6
#79 Safran Nacelles 6
#80 Volvo Car 6
#81 Avl List Gmbh 5
#82 Continental Automotive France 5
#83 Doosan Infracore Co. 5
#84 Florida Turbine Technologies 5
#85 Ifp Energies Nouvelles 5
#86 International Engine Intellectual Property Company 5
#87 Schaeffler 5
#88 Subaru 5
#89 Valeo Systemes De Controle Moteur 5
#90 Volkswagen 5
#91 Zama Japan Kabushiki Kaisha 5
#92 Ansaldo Energia Ip Uk Limited 4
#93 Arianegroup Sas 4
#94 Audi Ag 4
#95 Baldwin Filters 4
#96 Dayco Ip Holdings 4
#97 Eaton Intelligent Power Limited 4
#98 Etagen 4
#99 Fev Group Gmbh 4
#100 Hyundai Kefico 4