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

Combustion engines Patent Leaders All Time

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 Ross Dykstra Pursifull 400 Ford
2 Gopichandra Surnilla 374 Ford
3 Aed M. Dudar 332 Ford
#4 Gabriel L. Suciu 264 RTX (Raytheon)
#5 Joseph Norman Ulrey 228 Ford
#6 Thomas G. Leone 194 Ford
#7 Chris Paul Glugla 186 Ford
#8 Frederick M. Schwarz 180 RTX (Raytheon)
#9 Daniel Bernard Kupratis 161 RTX (Raytheon)
#10 Friedrich Boecking 150 Robert Bosch Gmbh
#11 William G. Sheridan 130 RTX (Raytheon)
#12 Brian D. Merry 124 RTX (Raytheon)
#13 Yuji Yasui 123 Honda Motor Co.
#14 Donald J. Lewis 120 Ford
#15 John D. Russell 118 Ford
#16 John Eric Rollinger 115 Ford
#17 Mario Ricco 109 C.R.F. Societa' Consortile Per Azioni
#18 Brandon Wayne Miller 107 GE
#19 Jeffrey Allen Doering 98 Ford
#20 Daniel Joseph Styles 97 Ford
#21 Ferdinand Reiter 96 Robert Bosch Gmbh
#22 Mamoru Yoshioka 95 Toyota
#23 John E. Cook 94 Siemens Canada Limited
#24 Michael E. McCune 93 RTX (Raytheon)
#25 Shusuke Akazaki 93 Honda Motor Co.
#26 Michael John Cullen 92 Ford
#27 Joseph Lyle Thomas 91 Ford
#28 Masahiko Kato 89 Sanshin Industries
#29 Robert Roy Jentz 87 Ford
#30 Dana R. Coldren 86 Caterpillar
#31 Jun-Mo Kang 86 General Motors
#32 Minoru Ohsuga 86 Hitachi
#33 Paul M. Najt 85 General Motors
#34 Shumpei Hasegawa 83 Honda Motor Co.
#35 Brad Alan Boyer 81 Ford
#36 Daniel R. Cohn 81 MIT
#37 Leslie Bromberg 80 MIT
#38 Craig W Bemment 79 Rolls-Royce Plc
#39 James Michael Kerns 78 Ford
#40 Christopher E. Whitney 77 General Motors
#41 Kenichi Machida 77 Honda Motor Co.
#42 Hideo Kawamura 76 Isuzu Motors Limited
#43 Masanao Idogawa 76 Toyota
#44 Masanori Takahashi 76 Sanshin Industries
#45 Toshiharu Nogi 76 Hitachi
#46 Wataru Fukui 76 Mitsubishi Electric
#47 Jean Thomassin 75 RTX (Raytheon)
#48 Michiel J. Van Nieuwstadt 75 Ford
#49 Mrdjan J. Jankovic 75 Ford
#50 Paul D. Perry 75 Siemens Canada Limited
#51 Xiaogang Zhang 74 Ford
#52 Yue Wang 74 Bytedance
#53 Douglas Raymond Martin 73 Ford
#54 Adam Edgar Klingbeil 72 GE
#55 Lester L. Peters 72 —
#56 Michael Howard Shelby 72 Ford
#57 David Karl Bidner 71 Ford
#58 Jason A. Ryon 71 Delavan
#59 Eric Matthew Kurtz 69 Ford
#60 Ernst Wild 69 Robert Bosch Gmbh
#61 Georg Mallebrein 69 Robert Bosch Gmbh
#62 Joseph B. Staubach 69 RTX (Raytheon)
#63 Andreas Kuske 68 Ford
#64 Gary D. Roberge 68 RTX (Raytheon)
#65 Lev Alexander Prociw 68 Delavan
#66 Siegfried Sumser 68 Daimlerchrysler Ag
#67 Helmut Denz 67 Robert Bosch Gmbh
#68 Mark W. Peters 67 Stoneridge Control Devices
#69 Hatsuo Nagaishi 66 Nissan Motor Co.
#70 Motoyuki Abe 66 Hitachi Automotive Systems
#71 Thomas Ory Moniz 66 GE
#72 Alex O'Connor Gibson 65 Ford
#73 Ilya Kolmanovsky 65 Ford
#74 Jesse M. Chandler 65 RTX (Raytheon)
#75 Michael James Uhrich 65 Ford
#76 Ralph Wayne Cunningham 65 Ford
#77 Timothy Gormley 65 Rohr
#78 Allan Joseph Kotwicki 64 Ford
#79 Andre Julien 64 RTX (Raytheon)
#80 Hong Zhang 64 Vitesco Technologies Gmbh
#81 Louis J. Serrano 64 Tula Etechnology
#82 Toshihiko Igashira 64 Nippon Soken
#83 Guy Bernard Vauchel 63 Aircelle
#84 Toshio Iwata 63 Mitsubishi Electric
#85 Alan R. Stockner 62 Caterpillar
#86 Atsushi Inoue 62 Mazda Motor
#87 Julia Helen Buckland 62 Ford
#88 Michael J. Hornby 62 —
#89 Naoki Tomisawa 62 Unisia Jecs
#90 Roy Edward McAlister 62 Mcalister Technologies
#91 Takuya Shiraishi 62 Hitachi
#92 Michael Peter Cooke 61 Delphi Technologies
#93 Chen-Fang Chang 60 General Motors
#94 Daisaku Sawada 60 Toyota
#95 Hans-Christoph Magel 60 Robert Bosch Gmbh
#96 Takeshi Atago 60 Hitachi
#97 Adam Nathan Banker 59 Ford
#98 Dennis Seung-Man Yang 59 Ford
#99 Keiichiro Aoki 59 Toyota
#100 Mitsuo Hitomi 58 Mazda Motor

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Ford 4,783
2 Toyota 4,674
3 Robert Bosch Gmbh 4,642
#4 RTX (Raytheon) 3,255
#5 Honda Motor Co. 3,004
#6 GE 2,871
#7 General Motors 2,669
#8 Denso 2,242
#9 Nissan Motor Co. 1,974
#10 Caterpillar 1,923
#11 Mitsubishi Electric 1,894
#12 Hitachi 1,250
#13 Hyundai Motor 1,088
#14 Mazda Motor 1,001
#15 Cummins 961
#16 Rolls-Royce Plc 960
#17 Yamaha Motor 867
#18 Continental Automotive Gmbh 798
#19 Nippondenso Co. 721
#20 Honeywell 637
#21 Siemens Aktiengesellschaft 635
#22 Sanshin Industries 548
#23 Kia Motors 528
#24 Unknown 510
#25 Delphi Technologies 502
#26 Aisan Kogyo Kabushiki Kaisha 456
#27 Daimlerchrysler Ag 417
#28 Hamilton Sundstrand 413
#29 Subaru 409
#30 The Boeing 401
#31 Mitsubishi Motors 393
#32 Mahle International Gmbh 365
#33 Isuzu Motors Limited 346
#34 Andreas Stihl Ag & Co. Kg 333
#35 Hitachi Automotive Systems 327
#36 Borgwarner 321
#37 Nippon Soken 303
#38 Brunswick 301
#39 Safran Aircraft Engines 299
#40 Lucas Industries Limited 298
#41 Kawasaki 296
#42 Rohr 274
#43 Siemens Automotive 272
#44 BMW 270
#45 Outboard Marine 269
#46 Snecma 261
#47 Walbro 258
#48 Aisin Seiki Kabushiki Kaisha 243
#49 Lucas Industries Public Limited 237
#50 Dr. Ing. H.C. F. Porsche Ag 236
#51 Briggs & Stratton 230
#52 International Engine Intellectual Property Company 229
#53 John Deere 229
#54 Rolls-Royce North America 227
#55 Suzuki Motor 225
#56 Siemens Vdo Automotive Ag 220
#57 Chrysler Group 207
#58 Daimler-Benz Ag 206
#59 Visteon Global Technologies 200
#60 Keihin 197
#61 Mann+Hummel Gmbh 197
#62 Vitesco Technologies Gmbh 197
#63 Volkswagen 197
#64 Unisia Jecs 181
#65 Diesel Kiki Co. 179
#66 US Air Force 176
#67 Mtu Friedrichshafen Gmbh 169
#68 Rolls-Royce Deutschland 167
#69 Yanmar Holdings Co. 165
#70 Eaton 160
#71 Southwest Research Institute 157
#72 Hitachi Car Engineering Co. 156
#73 Volvo Truck 153
#74 C.R.F. Societa' Consortile Per Azioni 152
#75 Detroit Diesel 149
#76 Audi Ag 147
#77 Airbus Operations Sas 145
#78 Kioritz 145
#79 Bendix Limited 143
#80 Avl List Gmbh 142
#81 Sundstrand 141
#82 Ngk Spark Plug Co. 140
#83 Tula Etechnology 136
#84 Fca Us Llc. 128
#85 Federal-Mogul Worldwide 128
#86 Delphi Technologies Ip Limited 122
#87 Woodward 122
#88 Aircelle 121
#89 Ihi 121
#90 Alstom Technology 120
#91 Hitachi Astemo 119
#92 Daimler Ag 117
#93 Societe Nationale D'Etude Et De Construction De Moteurs D'Aviation - S.N.E.C.M.A 115
#94 Mercedes-Benz Group Ag 114
#95 Kubota 113
#96 Safran Nacelles 110
#97 Filterwerk Mann & Hummel Gmbh 109
#98 Kohler 108
#99 Siemens Canada Limited 108
#100 Yamaha Marine 106