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

Combustion engines Patent Leaders in 2019 2019

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 49 Ford
2 Gabriel L. Suciu 34 RTX (Raytheon)
3 Gopichandra Surnilla 28 Ford
#4 Frederick M. Schwarz 25 RTX (Raytheon)
#5 Ross Dykstra Pursifull 23 Ford
#6 Joseph Norman Ulrey 19 Ford
#7 Thomas G. Leone 18 Ford
#8 John Eric Rollinger 16 Ford
#9 Brian D. Merry 15 RTX (Raytheon)
#10 William G. Sheridan 15 RTX (Raytheon)
#11 Daniel Bernard Kupratis 14 RTX (Raytheon)
#12 Jesse M. Chandler 14 RTX (Raytheon)
#13 Joseph Lyle Thomas 13 Ford
#14 Andre Julien 12 RTX (Raytheon)
#15 Joerg Kemmerling 12 Ford
#16 Mohannad Hakeem 12 Ford
#17 Xiaogang Zhang 12 Ford
#18 Andreas Kuske 11 Ford
#19 Ethan D. Sanborn 11 Ford
#20 Jean Thomassin 11 RTX (Raytheon)
#21 Vanco Smiljanovski 11 Ford
#22 Adam Nathan Banker 10 Ford
#23 Brandon Wayne Miller 10 GE
#24 Chris Paul Glugla 10 Ford
#25 Chandra S. Namuduri 10 General Motors
#26 Eric Matthew Kurtz 10 Ford
#27 Helmut Matthias Kindl 10 Ford
#28 Kenneth James Miller 10 Ford
#29 Louis J. Serrano 10 Tula Etechnology
#30 Baitao Xiao 9 Ford
#31 Franz Arnd Sommerhoff 9 Ford
#32 Kyoung Pyo Ha 9 Hyundai Motor
#33 Lei Hao 9 General Motors
#34 Michael Howard Shelby 9 Ford
#35 Michael James Uhrich 9 Ford
#36 Motoyuki Abe 9 Hitachi Automotive Systems
#37 William K. Ackermann 9 RTX (Raytheon)
#38 You Sang Son 9 Hyundai Motor
#39 Daniel Dusa 8 Ford
#40 Douglas Raymond Martin 8 Ford
#41 Imad Hassan Makki 8 Ford
#42 In Sang Ryu 8 Hyundai Motor
#43 Kiyoung Kwon 8 Hyundai Motor
#44 Michael E. McCune 8 RTX (Raytheon)
#45 Paul Hollar 8 Ford
#46 Paul M. Najt 8 General Motors
#47 Ryo KUSAKABE 8 Hitachi Automotive Systems
#48 Adam Edgar Klingbeil 7 GE
#49 Adam J. Richards 7 Ford
#50 Brad Alan Boyer 7 Ford
#51 Christopher Donald Wicks 7 Ford
#52 Dennis Seung-Man Yang 7 Ford
#53 Gary D. Roberge 7 RTX (Raytheon)
#54 Hanno Friederichs 7 Ford
#55 Hamid-Reza Ossareh 7 Ford
#56 Hua Zhang 7 GE
#57 James Robert Mischler 7 GE
#58 Kiyotaka Ogura 7 Hitachi Automotive Systems
#59 Lubomir A. Ribarov 7 Hamilton Sundstrand
#60 Masahiro Toyohara 7 Hitachi Automotive Systems
#61 Michael Weinenger 7 —
#62 Shintaro Hotta 7 Toyota
#63 Yoshihiko Akagi 7 Hitachi Automotive Systems
#64 Adithya Pravarun Re Ranga 6 Ford
#65 Alston Ilford Scipio 6 GE
#66 Bruno Villeneuve 6 RTX (Raytheon)
#67 Choo Saeng Choi 6 Hyundai Motor
#68 Chang Han Kim 6 Hyundai Motor
#69 Christian Winge Vigild 6 Ford
#70 Daniel A. Makled 6 Ford
#71 David Menheere 6 RTX (Raytheon)
#72 Danis Burton Smith 6 Honeywell
#73 Dietmar Schulze 6 Eco Holding 1 Gmbh
#74 Dong Ho Chu 6 Hyundai Motor
#75 Eiji Ikuta 6 Toyota
#76 Giuseppe Conte 6 General Motors
#77 Giandomenico Serra 6 Continental Automotive Gmbh
#78 Hassene Jammoussi 6 Ford
#79 Jun-Mo Kang 6 General Motors
#80 Kishiro NAGAI 6 Hitachi Automotive Systems
#81 Masanao Idogawa 6 Toyota
#82 Miguel Azevedo 6 —
#83 Michael McQuillen 6 Ford
#84 Michiel J. Van Nieuwstadt 6 Ford
#85 Osamu Mukaihara 6 Hitachi Automotive Systems
#86 Philip H. Snyder 6 Rolls-Royce North America
#87 Robert Roy Jentz 6 Ford
#88 Robert E. Malecki 6 RTX (Raytheon)
#89 Russell P. Durrett 6 General Motors
#90 Sanji Ekanayake 6 GE
#91 Shunichi Takeda 6 Denso
#92 Suresh Gopalakrishnan 6 General Motors
#93 Thomas Ory Moniz 6 GE
#94 Thomas N. Slavens 6 RTX (Raytheon)
#95 Tyler Kelly 6 Ford
#96 Yoshihito Yasukawa 6 Hitachi Automotive Systems
#97 Yuki Nose 6 Toyota
#98 Yue Wang 6 Bytedance
#99 Andrea Puccini 5 Continental Automotive Gmbh
#100 Augustin Curlier 5 Safran Aircraft Engines

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Ford 332
2 RTX (Raytheon) 290
3 Toyota 236
#4 GE 186
#5 General Motors 138
#6 Hyundai Motor 123
#7 Denso 104
#8 Continental Automotive Gmbh 79
#9 Honda Motor Co. 78
#10 Kia Motors 75
#11 Robert Bosch Gmbh 70
#12 Rolls-Royce Plc 60
#13 Hitachi Automotive Systems 59
#14 Caterpillar 58
#15 Mazda Motor 56
#16 Mitsubishi Electric 46
#17 Safran Aircraft Engines 43
#18 Nissan Motor Co. 37
#19 Mahle International Gmbh 34
#20 Borgwarner 32
#21 Cummins 32
#22 Rolls-Royce North America 31
#23 Hamilton Sundstrand 30
#24 Tenneco Automotive Operating Company 28
#25 Delphi Technologies Ip Limited 27
#26 Rohr 24
#27 Mann+Hummel Gmbh 22
#28 Yanmar Holdings Co. 22
#29 Aisan Kogyo Kabushiki Kaisha 20
#30 Garrett Transportation I 20
#31 The Boeing 20
#32 Ihi 18
#33 Honeywell 18
#34 Mitsubishi Hitachi Power Systems 17
#35 Mitsubishi Motors 17
#36 Siemens Aktiengesellschaft 15
#37 Subaru 15
#38 Westport Power 15
#39 Andreas Stihl Ag & Co. Kg 14
#40 Continental Automotive France 14
#41 Kawasaki 14
#42 Aisin Seiki Kabushiki Kaisha 13
#43 Cpt Group Gmbh 13
#44 Fca Us Llc. 13
#45 Rolls-Royce Deutschland 13
#46 Tula Etechnology 13
#47 Ansaldo Energia Switzerland Ag 12
#48 Yamabiko 12
#49 Achates Power 11
#50 Briggs & Stratton 11
#51 Volvo Truck 11
#52 ExxonMobil 11
#53 BMW 10
#54 Mahle Filter Systems Japan 10
#55 Safran Helicopter Engines 10
#56 Suzuki Motor 10
#57 Ifp Energies Nouvelles 9
#58 Mitsubishi Heavy Industries Engine & Turbocharger 9
#59 Mtu Friedrichshafen Gmbh 9
#60 Brunswick 8
#61 Cnh Industrial America 8
#62 Southwest Research Institute 8
#63 Yamaha Motor 8
#64 Delavan 7
#65 Kohler 7
#66 Progress Rail Locomotive 7
#67 Scania Cv Ab 7
#68 Unknown 7
#69 Woodward 7
#70 Airbus Operations Sas 6
#71 Audi Ag 6
#72 Eco Holding 1 Gmbh 6
#73 Enplas 6
#74 Hitachi 6
#75 Hyundai Kefico 6
#76 Isuzu Motors Limited 6
#77 Jaguar Land Rover Limited 6
#78 KFUPM 6
#79 K&N Engineering 6
#80 Man Energy Solutions Se 6
#81 Man Truck &Bus Ag 6
#82 Saudi Arabian Oil 6
#83 Walbro 6
#84 Bombardier Recreational Products 5
#85 Bright Acceleration Technologies 5
#86 Eaton Intelligent Power Limited 5
#87 Mahle Metal Leve S/A 5
#88 Stanadyne 5
#89 Zama Japan Kabushiki Kaisha 5
#90 Aircelle 4
#91 Arianegroup Sas 4
#92 Dr. Ing. H.C. F. Porsche Ag 4
#93 Etagen 4
#94 Fairbanks Morse 4
#95 Futaba Industrial Co. 4
#96 Husqvarna Ab 4
#97 Illinois Tool Works 4
#98 Innio Jenbacher Gmbh & Co Og 4
#99 Toyota Central R&D Labs 4
#100 Toyota Industries 4