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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Engines and machines

Engines and machines Patent Leaders All Time

Primary CPC class F01 · 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 3,340 patents in 2019.peak 3,3401996: 732 patents19961997: 720 patents1998: 950 patents1999: 925 patents19992000: 1,074 patents2001: 1,306 patents2002: 1,314 patents20022003: 1,255 patents2004: 1,172 patents2005: 1,158 patents20052006: 1,283 patents2007: 1,146 patents2008: 1,105 patents20082009: 1,159 patents2010: 1,399 patents2011: 1,562 patents20112012: 2,088 patents2013: 2,075 patents2014: 2,451 patents20142015: 2,399 patents2016: 2,170 patents2017: 2,567 patents20172018: 2,823 patents2019: 3,340 patents2020: 3,328 patents20202021: 2,794 patents2022: 2,594 patents2023: 2,031 patents20232024: 1,817 patents2025: 1,642 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 George Liang 360 Florida Turbine Technologies
2 Ching-Pang Lee 259 GE
3 Ted J. Freeman 192 —
#4 Tracy A. Propheter-Hinckley 171 RTX (Raytheon)
#5 Dominic J. Mongillo 162 RTX (Raytheon)
#6 Michael G. McCaffrey 159 RTX (Raytheon)
#7 Nicholas Joseph Kray 141 GE
#8 Rolf Brück 137 Emitec Gesellschaft Fuer Emissionstechnologie Mbh
#9 Eugene V. Gonze 134 General Motors
#10 Brandon W. Spangler 130 RTX (Raytheon)
#11 Gabriel L. Suciu 130 RTX (Raytheon)
#12 Aaron D. Sippel 121 —
#13 David J. Thomas 108 —
#14 Ronald Scott Bunker 105 GE
#15 Paul M. Lutjen 100 RTX (Raytheon)
#16 Jan Hodgson 96 Emitec Gesellschaft Fuer Emissionstechnologie Mbh
#17 Frederick M. Schwarz 93 RTX (Raytheon)
#18 Gopichandra Surnilla 93 Ford
#19 Michiel J. Van Nieuwstadt 93 Ford
#20 Michael J. Paratore, Jr. 92 General Motors
#21 Daniel K. Vetters 89 —
#22 Steven Sebastian Burdgick 88 GE
#23 Ravindra Shankar Ganiger 85 GE
#24 Gary Michael Itzel 82 GE
#25 Guy Lefebvre 75 RTX (Raytheon)
#26 James E. McCarthy, Jr. 74 Eaton Intelligent Power Limited
#27 Wolfgang Maus 72 Emitec Gesellschaft Fuer Emissionstechnologie Mbh
#28 Brian D. Merry 70 RTX (Raytheon)
#29 Christopher W. Strock 70 RTX (Raytheon)
#30 Makoto Nakamura 70 Toyota
#31 Thomas E. Clark 70 RTX (Raytheon)
#32 William G. Sheridan 70 RTX (Raytheon)
#33 Michael E. McCune 69 RTX (Raytheon)
#34 San Quach 68 RTX (Raytheon)
#35 Yasuoki Tomita 67 Mitsubishi Electric
#36 Mark F. Zelesky 66 RTX (Raytheon)
#37 Michael J. Whittle 66 Rolls-Royce Plc
#38 Seinosuke Hara 66 Unisia Jecs
#39 Raymond Surace 65 RTX (Raytheon)
#40 Back Sik Kim 64 Hyundai Motor
#41 Bryan P. Dube 63 RTX (Raytheon)
#42 Kyoung Pyo Ha 63 Hyundai Motor
#43 Edward F. Pietraszkiewicz 62 RTX (Raytheon)
#44 Benjamin Paul Lacy 60 GE
#45 John Eric Rollinger 60 Ford
#46 Shinya Hirota 60 Toyota
#47 Walter Speil 60 Ina-Walzlager Schaeffler Kg
#48 Brandon Wayne Miller 59 GE
#49 Aaron Ezekiel Smith 57 GE
#50 Arthur William Sibbach 57 GE
#51 Matthew A. Devore 57 RTX (Raytheon)
#52 Xiaogang Zhang 57 Ford
#53 Jens Schafer 56 Schaeffler
#54 Satoshi Hada 56 Mitsubishi Electric
#55 Peter Hirth 55 Emitec Gesellschaft Fuer Emissionstechnologie Mbh
#56 Steven Robert Brassfield 54 GE
#57 Victor Hugo Silva Correia 54 —
#58 Christopher Charles Glynn 53 GE
#59 David Wayne Weber 53 GE
#60 Mark C. Morris 53 Honeywell
#61 Thomas N. Slavens 53 RTX (Raytheon)
#62 Thomas Stolk 52 Daimler Ag
#63 Carey Clum 51 RTX (Raytheon)
#64 Eric Durocher 51 RTX (Raytheon)
#65 Hiromasa Nishioka 51 Toyota
#66 Kirk Douglas Gallier 51 GE
#67 Jun Shi 50 —
#68 Shinichi Murata 50 Mitsubishi Motors
#69 David Karl Bidner 49 Ford
#70 Majo Cecur 49 Eaton Intelligent Power Limited
#71 Matthew Troy Hafner 49 GE
#72 Masaki Kobayashi 49 Aisin Seiki Kabushiki Kaisha
#73 Timothy M. Davis 49 RTX (Raytheon)
#74 You Sang Son 49 Hyundai Motor
#75 Alexander I. Kalina 48 Kalex
#76 Lucien Y. Bronicki 48 Ormat Industries
#77 Oliver Schnell 48 Ina Schaeffler Kg
#78 Sébastien Serge Francis Congratel 48 Safran Aircraft Engines
#79 John McConnell Delvaux 47 GE
#80 Kohei Yoshida 47 Toyota
#81 Peter Sailer 47 Schaeffler
#82 Remy Synnott 47 RTX (Raytheon)
#83 Conway Chuong 46 RTX (Raytheon)
#84 Ian Methley 46 Mechadyne Plc
#85 Ronald J. Pierik 46 Delphi Technologies
#86 Zachary Daniel Webster 46 GE
#87 Gregory Terrence Garay 45 GE
#88 Jeffrey Scott Hepburn 45 Ford
#89 Nick J. Hendriksma 45 Delphi Technologies
#90 Nitesh Jain 45 GE
#91 Thomas Ory Moniz 45 GE
#92 Yuji Noguchi 45 Aisin Seiki Kabushiki Kaisha
#93 Daiji Nagaoka 44 Isuzu Motors Limited
#94 Gregory Thomas Foster 44 GE
#95 John Setel O'Donnell 44 Rondo Energy
#96 Ken F. Blaney 44 RTX (Raytheon)
#97 Mahmoud Bahy Mahmoud Noureldin 44 Saudi Arabian Oil
#98 Yoshimasa Hayashi 44 Nissan Motor Co.
#99 Alexander Beeck 43 Alstom (Switzerland)
#100 Donald J. Lewis 43 Ford

Top Companies

Rank ↑ Company ↕ Patents ↕
1 RTX (Raytheon) 5,676
2 GE 5,580
3 Toyota 1,919
#4 Rolls-Royce Plc 1,832
#5 Ford 1,601
#6 Honda Motor Co. 1,482
#7 General Motors 1,461
#8 Hyundai Motor 883
#9 Siemens Aktiengesellschaft 814
#10 Mitsubishi Electric 805
#11 Safran Aircraft Engines 775
#12 Caterpillar 714
#13 Schaeffler 685
#14 Honeywell 602
#15 Denso 596
#16 Nissan Motor Co. 557
#17 Robert Bosch Gmbh 556
#18 Snecma 548
#19 Siemens Energy 478
#20 Hitachi 462
#21 Cummins 453
#22 Mtu Aero Engines Ag 442
#23 Borgwarner 421
#24 Kia Motors 404
#25 Yamaha Motor 391
#26 Florida Turbine Technologies 388
#27 Rolls-Royce North America 371
#28 Alstom Technology 345
#29 Delphi Technologies 316
#30 Aisin Seiki Kabushiki Kaisha 315
#31 Westinghouse Electric 293
#32 Ngk Insulators 292
#33 Unknown 284
#34 Eaton 281
#35 Emitec Gesellschaft Fuer Emissionstechnologie Mbh 274
#36 Rolls-Royce Deutschland 242
#37 Cummins Emission Solutions 240
#38 Mazda Motor 239
#39 Daimlerchrysler Ag 237
#40 Hamilton Sundstrand 229
#41 Kawasaki 228
#42 Tenneco Automotive Operating Company 228
#43 Kabushiki Kaisha Toshiba 212
#44 Isuzu Motors Limited 207
#45 Eaton Intelligent Power Limited 197
#46 Brunswick 195
#47 Societe Nationale D'Etude Et De Construction De Moteurs D'Aviation - S.N.E.C.M.A 195
#48 BMW 192
#49 Mitsubishi Hitachi Power Systems 192
#50 Dr. Ing. H.C. F. Porsche Ag 187
#51 Suzuki Motor 176
#52 John Deere 175
#53 Mahle International Gmbh 171
#54 Sanshin Industries 169
#55 Volkswagen 163
#56 Daimler Ag 161
#57 Siemens Energy Global 158
#58 Ihi 138
#59 Continental Automotive Gmbh 133
#60 Solar Turbines Incorporated 132
#61 Doosan Heavy Industries & Construction Co. 131
#62 Volvo Truck 130
#63 Mitsubishi Motors 125
#64 Faurecia Emissions Control Technologies, Usa 118
#65 Eberspächer Exhaust Technology Gmbh 116
#66 Kubota 116
#67 Audi Ag 115
#68 Hitachi Automotive Systems 115
#69 Vitesco Technologies Gmbh 113
#70 Nippon Soken 109
#71 Scania Cv Ab 109
#72 Asea Brown Boveri, S.A. 107
#73 Corning Incorporated 104
#74 Snecma Moteurs 103
#75 Unisia Jecs 101
#76 US Air Force 101
#77 Yanmar Holdings Co. 101
#78 Ina Wälzlager Schaeffler Ohg 98
#79 J. Eberspaecher 98
#80 Donaldson Company 94
#81 Mitsubishi Power 94
#82 Ina Schaeffler Kg 93
#83 International Engine Intellectual Property Company 93
#84 Ibiden Co. 91
#85 The Boeing 90
#86 Nippondenso Co. 89
#87 Saudi Arabian Oil 88
#88 Komatsu 87
#89 Chrysler Group 86
#90 Daimler-Benz Ag 86
#91 Siemens Westinghouse Power 86
#92 Cummins Filtration Ip 84
#93 Johnson Matthey Public Limited 81
#94 Purem Gmbh 81
#95 Southwest Research Institute 79
#96 Jacobs Vehicle Systems 78
#97 Mtu Motoren-Und Turbinen-Union Mãƒâ¼Nchen Gmbh 78
#98 Toyota Industries 77
#99 Subaru 75
#100 Mercedes-Benz Group Ag 75