{"@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": "Engines and machines", "item": "https://www.patentleaderboard.com/technology/engines-and-machines"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Engines and machines

Engines and machines Patent Leaders in 2017 2017

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 Jan Hodgson 17 Emitec Gesellschaft Fuer Emissionstechnologie Mbh
2 John Eric Rollinger 14 Ford
3 Ted J. Freeman 11 —
#4 You Sang Son 11 Hyundai Motor
#5 Ching-Pang Lee 10 GE
#6 Eugene V. Gonze 10 General Motors
#7 Timothy M. Davis 10 RTX (Raytheon)
#8 Xiaoqing Zheng 10 GE
#9 Kyoung Pyo Ha 9 Hyundai Motor
#10 Mahmoud Bahy Mahmoud Noureldin 9 Saudi Arabian Oil
#11 Michael Golin 9 Tenneco Automotive Operating Company
#12 Richard C. Uskert 9 —
#13 Yevgeniy Shteyman 9 Siemens Energy
#14 Ali Bayrakdar 8 Schaeffler
#15 David J. Thomas 8 —
#16 Manfred Feldmann 8 Mtu Aero Engines Ag
#17 Yue-Ming Chen 8 General Motors
#18 Alexander Vovk 7 Hyundai Motor
#19 Back Sik Kim 7 Hyundai Motor
#20 Brandon W. Spangler 7 RTX (Raytheon)
#21 Frank Stiehler 7 Mtu Aero Engines Ag
#22 Jin Ha Lee 7 Hyundai Motor
#23 Mikihiro Kajiura 7 Hitachi Automotive Systems
#24 Michiel J. Van Nieuwstadt 7 Ford
#25 Rolf Brück 7 Emitec Gesellschaft Fuer Emissionstechnologie Mbh
#26 Ahmad Saleh Bunaiyan 6 Saudi Arabian Oil
#27 Alston Ilford Scipio 6 GE
#28 Atsuo Okaichi 6 Panasonic
#29 Austin Robert Zurface 6 Eaton
#30 Benjamin Paul Lacy 6 GE
#31 Dale Edward Evans 6 Rolls-Royce Plc
#32 Hani Mohammed Al Saed 6 Saudi Arabian Oil
#33 Jin-Woo Park 6 Samsung
#34 Joschka Schaub 6 Fev Group Gmbh
#35 Kenji Furui 6 Toyota
#36 Michael A. Weisse 6 RTX (Raytheon)
#37 Osao Kido 6 Panasonic
#38 Paul M. Lutjen 6 RTX (Raytheon)
#39 Rudolf Stanka 6 Mtu Aero Engines Ag
#40 Sanji Ekanayake 6 GE
#41 Takumi Hikichi 6 Panasonic
#42 Thomas Hess 6 Mtu Aero Engines Ag
#43 Thomas Wittka 6 Hyundai Motor
#44 Victor John Morgan 6 GE
#45 Xiaogang Zhang 6 Ford
#46 Yosuke Iwase 6 Hitachi Automotive Systems
#47 Adam L. Chamberlain 5 —
#48 Akram R. Zahdeh 5 General Motors
#49 Anthony P. Cherolis 5 RTX (Raytheon)
#50 Andreas Döring 5 Man Truck &Bus Ag
#51 Arifumi Matsumoto 5 Toyota
#52 Eduardo Alano 5 Faurecia Emissions Control Technologies, Usa
#53 Edward J. Gallagher 5 RTX (Raytheon)
#54 Gabriel L. Suciu 5 RTX (Raytheon)
#55 Georges Maguin 5 Continental Automotive Gmbh
#56 Hiromasa Nishioka 5 Toyota
#57 John A. Orosa 5 Siemens Energy
#58 Matthew Troy Hafner 5 GE
#59 Masaki Kobayashi 5 Aisin Seiki Kabushiki Kaisha
#60 Mark F. Zelesky 5 RTX (Raytheon)
#61 Osamu Kosuda 5 Panasonic
#62 Paul A. Pietrzyk 5 Ford
#63 Peter Bauer 5 Emitec Gesellschaft Fuer Emissionstechnologie Mbh
#64 Roberto Argolini 5 General Motors
#65 Shigeto Adachi 5 Kobe Steel
#66 Sven Schepers 5 Emitec Gesellschaft Fuer Emissionstechnologie Mbh
#67 Taiga Hagimoto 5 Toyota
#68 Tadashi Uchiyama 5 Isuzu Motors Limited
#69 Timothy C. Ernst 5 Cummins
#70 Vijay Ramappan 5 General Motors
#71 Yoshitaka Hayama 5 Honda Motor Co.
#72 Yoji Okita 5 Ihi
#73 Yoshiyuki Sandou 5 Yanmar Holdings Co.
#74 Aaron Ezekiel Smith 4 GE
#75 Adam J. Kotrba 4 Tenneco Automotive Operating Company
#76 Alexander Boeck 4 Mtu Aero Engines Ag
#77 Alan D. Sheidler 4 John Deere
#78 Antoine Jean-Philippe Beaujard 4 Snecma
#79 Anthony Louis Giglio 4 GE
#80 Andreas Hartung 4 Mtu Aero Engines Ag
#81 Anil L. Salunkhe 4 Siemens Energy
#82 Bernard Baran Zabek 4 GE
#83 Brian Cole 4 Caterpillar
#84 Brian Duguay 4 RTX (Raytheon)
#85 Carlos Simon-Delgado 4 Ansaldo Energia Switzerland Ag
#86 Cheikh Diouf 4 Continental Automotive Gmbh
#87 Christophe Paul Jacquemard 4 Safran Aircraft Engines
#88 Christian Vorsmann 4 Emitec Gesellschaft Fuer Emissionstechnologie Mbh
#89 Clifford E. Maki 4 Ford
#90 Conway Chuong 4 RTX (Raytheon)
#91 Daichi Imai 4 Toyota
#92 David Richard Johns 4 GE
#93 David Edward Schick 4 GE
#94 David Wayne Weber 4 GE
#95 David J. Wiebe 4 Siemens Energy
#96 Debora Manther 4 Schaeffler
#97 Ed Badillo 4 Ford
#98 Eisaku Ito 4 Mitsubishi Electric
#99 Erwin Bayer 4 Mtu Aero Engines Ag
#100 Eric Berndt 4 Schaeffler

Top Companies

Rank ↑ Company ↕ Patents ↕
1 GE 236
2 RTX (Raytheon) 222
3 Toyota 106
#4 Rolls-Royce Plc 94
#5 Hyundai Motor 89
#6 Ford 86
#7 Snecma 77
#8 General Motors 64
#9 Mtu Aero Engines Ag 51
#10 Siemens Energy 49
#11 Siemens Aktiengesellschaft 44
#12 Schaeffler 43
#13 Honda Motor Co. 35
#14 Mitsubishi Electric 34
#15 Mitsubishi Hitachi Power Systems 33
#16 Borgwarner 32
#17 Caterpillar 30
#18 Honeywell 30
#19 Continental Automotive Gmbh 23
#20 Rolls-Royce North America 23
#21 Eberspächer Exhaust Technology Gmbh 21
#22 Tenneco Automotive Operating Company 21
#23 Cummins 19
#24 Hamilton Sundstrand 19
#25 Ihi 19
#26 Yanmar Holdings Co. 19
#27 Emitec Gesellschaft Fuer Emissionstechnologie Mbh 17
#28 Isuzu Motors Limited 17
#29 Kia Motors 17
#30 Aisin Seiki Kabushiki Kaisha 16
#31 Cummins Emission Solutions 16
#32 Denso 15
#33 Eaton 15
#34 Rolls-Royce Deutschland 15
#35 Kabushiki Kaisha Toshiba 14
#36 Robert Bosch Gmbh 14
#37 Hitachi Automotive Systems 13
#38 Delphi Technologies 12
#39 Faurecia Emissions Control Technologies, Usa 11
#40 Mahle International Gmbh 11
#41 Saudi Arabian Oil 11
#42 Solar Turbines Incorporated 11
#43 Ansaldo Energia Switzerland Ag 10
#44 Hino Motors 10
#45 Man Truck &Bus Ag 10
#46 John Deere 10
#47 Komatsu 9
#48 Safran Aero Boosters 9
#49 Ansaldo Energia Ip Uk Limited 8
#50 Cummins Ip 8
#51 Toyota Industries 8
#52 Kawasaki 8
#53 Mazda Motor 8
#54 Ngk Insulators 8
#55 Fca Us Llc. 7
#56 Fev Group Gmbh 7
#57 Florida Turbine Technologies 7
#58 Kobe Steel 7
#59 Scania Cv Ab 7
#60 ExxonMobil 7
#61 Bosch Mahle Turbo Systems Gmbh & Go. Kg 6
#62 Daimler Ag 6
#63 Electro-Motive Diesel 6
#64 Faurecia Emissions Control Technologies, Germany Gmbh 6
#65 Ibiden Co. 6
#66 Mitsubishi Heavy Industries Compressor 6
#67 Nissan Motor Co. 6
#68 Nittan Valve Co. 6
#69 Unknown 6
#70 Volkswagen 6
#71 Panasonic 6
#72 Basf Se 5
#73 Brunswick 5
#74 Cummins Intellectual Property 5
#75 Donaldson Company 5
#76 Doosan Heavy Industries & Construction Co. 5
#77 Futaba Industrial Co. 5
#78 Herakles 5
#79 Hilite Germany Gmbh 5
#80 International Engine Intellectual Property Company 5
#81 Jacobs Vehicle Systems 5
#82 Johnson Matthey Public Limited 5
#83 Kubota 5
#84 Otics 5
#85 Perkins Engines Company Limited 5
#86 Rohr 5
#87 Suzuki Motor 5
#88 Yamaha Motor 5
#89 Airbus Operations Sas 4
#90 Cummins Filtration Ip 4
#91 Dresser-Rand 4
#92 Dr. Ing. H.C. F. Porsche Ag 4
#93 Echogen Power Systems 4
#94 Ecoservices 4
#95 Hanon Systems 4
#96 Hitachi 4
#97 Inergy Automotive Systems Research (Societe Anonyme) 4
#98 Jaguar Land Rover Limited 4
#99 Man Diesel & Turbo Se 4
#100 Mikuni 4