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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

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 833 patents in 2024.peak 8331996: 317 patents19961997: 306 patents1998: 378 patents1999: 426 patents19992000: 424 patents2001: 369 patents2002: 446 patents20022003: 425 patents2004: 247 patents2005: 261 patents20052006: 359 patents2007: 359 patents2008: 371 patents20082009: 372 patents2010: 414 patents2011: 425 patents20112012: 443 patents2013: 467 patents2014: 520 patents20142015: 543 patents2016: 535 patents2017: 686 patents20172018: 718 patents2019: 818 patents2020: 832 patents20202021: 731 patents2022: 733 patents2023: 736 patents20232024: 833 patents2025: 787 patents2025

Top Inventors

Rank Inventor Patents Primary Company
1 John F. Cameron 8 Trimble Navigation Limited
2 Kurtis L. Maynard 7 Trimble Navigation Limited
3 Harry H. Arzouman 6 Safe-T-Jack
#4 Harold Terry 5 Otis Elevator
#5 Jannah A. Stanley 5 Otis Elevator
#6 Michael Matheisl 5 Inventio Ag
#7 Bryan Averill 4 Warn Industries
#8 Curt Conquest 4 Trimble Navigation Limited
#9 Darren G. Fretz 4 Warn Industries
#10 Darrin R. Ihle 4 Crown Equipment
#11 Daryl J. Marvin 4 Otis Elevator
#12 Esko Aulanko 4 Kone
#13 Gongbo Zhou 4 China University Of Mining And Technology
#14 Guohua Cao 4 China University Of Mining And Technology
#15 Hans Kocher 4 Inventio Ag
#16 Hongqiao Kang 4 China University Of Mining And Technology
#17 Jiancong Qin 4 Dongnan Elevator Co.
#18 Karl L. Dammeyer 4 Crown Equipment
#19 Mouhacine Benosman 4 Mitsubishi Electric
#20 Oliver Heravi 4 Warn Industries
#21 Richard N. Fargo 4 Otis Elevator
#22 Zhencai Zhu 4 China University Of Mining And Technology
#23 Gregory C. Best 3 Trimble Navigation Limited
#24 Guoan Chen 3 China University Of Mining And Technology
#25 Handing Lin 3 Unknown
#26 Hans-Dieter Willim 3 Liebherr-Werk Ehingen Gmbh
#27 Hideki Arai 3 Sony
#28 Jesper Moeller 3 Siemens Aktiengesellschaft
#29 Jianrong Yang 3 China University Of Mining And Technology
#30 John E. Hey 3 National Oilwell Varco
#31 Jorma Mustalahti 3 Kone
#32 Justin Jacobs 3 Smart Lifts
#33 Lucas B. Waltz 3 Crown Equipment
#34 Marc A. McClain 3 Crown Equipment
#35 Osmo Björni 3 Kone
#36 Peter Herkel 3 Otis Elevator
#37 Renyuan Wu 3 China University Of Mining And Technology
#38 Wei Li 3 China University Of Mining And Technology
#39 Yiping Ma 3 Becton, Dickinson And
#40 Zbigniew Piech 3 Otis Elevator
#41 Aldon E. Beale 2 Unknown
#42 Alois Senger 2 Otis Elevator
#43 Alexander Turek 2 Otis Elevator
#44 Antti Mertala 2 Kone
#45 Antti Saarelainen 2 Kone
#46 Ari Kattainen 2 Kone
#47 Ashley Chapman 2 Otis Elevator
#48 Astrid Sonnenmoser 2 Inventio Ag
#49 Atsushi Kawasaki 2 Nippon Steel
#50 Aurelien Fauconnet 2 Otis Elevator
#51 Beat Brügger 2 Inventio Ag
#52 Boris Franke 2 Siemens Aktiengesellschaft
#53 Christoph Makovec 2 Inventio Ag
#54 Christoph Schuler 2 Inventio Ag
#55 Christian Studer 2 Inventio Ag
#56 Daiki Fukui 2 Mitsubishi Electric
#57 David Dwight Sandmann 2 Gray Manufacturing Company
#58 Daniel S. Williams 2 Otis Elevator
#59 Dieter Stuehrwoldt 2 Manitowoc Crane Group France
#60 Donald A. Hoffend, III 2 Electronic Theatre Controls
#61 Eric D. Holbrook 2 Crown Equipment
#62 Eric Rossignol 2 Rexam Dispensing Smt S.A.S.
#63 Etienne Delachatre 2 Otis Elevator
#64 Faruk Osmanbasic 2 Inventio Ag
#65 Fujioki Yamaguchi 2 Gogou Co.
#66 Gero Gschwendtner 2 Otis Elevator
#67 Gregory W. Smiley 2 The Raymond
#68 Günther Niedermayer 2 Inventio Ag
#69 Guido Sonntag 2 Siemens Aktiengesellschaft
#70 Harry Xydias 2
#71 Hideki Nakamura 2 Hitachi
#72 Hideki Nakano 2 Otis Elevator
#73 Hideo Takahashi 2 Toshiba Elevator
#74 Hubert Steiner 2 Inventio Ag
#75 Ian Wendler 2 Warn Industries
#76 Jaakko Kalliomäki 2 Kone
#77 Jeff Walston 2 Warn Industries
#78 John C. Belotti 2 Malzine Co.
#79 John F. Benton 2 Manitowoc Crane Companies
#80 John E. Fagan 2 Gray Manufacturing Company
#81 John Bryant Kirk 2 The Raymond
#82 John Recchia 2 Jungheinrich Ag
#83 Juergen Gsell 2
#84 Juha Mielonen 2 Kone
#85 Jussi PERÄLÄ 2 Kone
#86 Kelvin Chan 2 Cisco
#87 Kevin Christensen 2 Warn Industries
#88 Kenneth G. Kingery 2 Adp
#89 Kenneth Helligsoe Svinth 2 Siemens Aktiengesellschaft
#90 Klaus Ott 2 Gebruder Netzsch Maschinenfabrik Gmbh &
#91 Kosei Kamimura 2 Kabushiki Kaisha Toshiba
#92 Kouji Ogawa 2 Sony
#93 Larry M. Jaipaul 2 Gray Manufacturing Company
#94 Leandre Adifon 2 Otis Elevator
#95 Leslie C. Watterson 2 Otis Elevator
#96 Lukas Zeder 2 Inventio Ag
#97 Masaharu Eto 2 Mitsubishi Electric
#98 Matthew Gilbride 2 Oshkosh
#99 Marvin M. May 2 Aquatec Group Limited
#100 Matti Rasanen 2 Kone

Top Companies

Rank Company Patents
1 Otis Elevator 45
2 Kone 32
3 Inventio Ag 30
#4 Mitsubishi Electric 23
#5 Trimble Navigation Limited 11
#6 Unknown 11
#7 Liebherr-Werk Ehingen Gmbh 7
#8 Thyssenkrupp Elevator 7
#9 Crown Equipment 6
#10 Siemens Aktiengesellschaft 6
#11 Jungheinrich Ag 5
#12 Manitowoc Crane Companies 5
#13 Warn Industries 5
#14 Altec Industries 4
#15 China University Of Mining And Technology 4
#16 Toyota Industries 4
#17 Manitowoc Crane Group France 4
#18 Mitsubishi Electric 4
#19 Tadano 4
#20 The Raymond 4
#21 GE 4
#22 Cascade 3
#23 Gray Manufacturing Company 3
#24 Hyster-Yale Group 3
#25 Konecranes Global 3
#26 Liebherr-Werk Biberach Gmbh 3
#27 National Oilwell Varco 3
#28 Smart Lifts 3
#29 Toshiba Elevator 3
#30 Dongnan Elevator Co. 2
#31 Electronic Theatre Controls 2
#32 Gogou Co. 2
#33 Konecranes Plc 2
#34 Liebherr-Werk Nenzing Gmbh 2
#35 Lsis Co. 2
#36 Malzine Co. 2
#37 Mi-Jack Products 2
#38 Niftylift Limited 2
#39 Pfu Limited 2
#40 Snap-On Incorporated 2
#41 Spanset Inter Ag 2
#42 Wolffkran Holding Ag 2
#43 Caterpillar 2
#44 Google 2
#45 Amazon 1
#46 Apple 1
#47 AT&T 1
#48 Abb Schweiz Ag 1
#49 Agco Sa 1
#50 Aircelle 1
#51 Aktiebolaget Skf 1
#52 Alion Energy 1
#53 Aloys Wobben 1
#54 Atlas Devices 1
#55 Bae Systems Information And Electronic Systems Integration 1
#56 Ballymore Company 1
#57 Big Lift 1
#58 Bluesky Solutions Limited 1
#59 Bruno Independent Living Aids 1
#60 Bwxt Nuclear Energy 1
#61 Cedes Ag 1
#62 Changshu Tongrun Auto Accessory Co. 1
#63 Clark Equipment 1
#64 Cnh Industrial America 1
#65 Comeup Industries 1
#66 CEA 1
#67 Conxtech 1
#68 Crrc Qingdao Sifang Rolling Stock Research Institute Co. 1
#69 Custom Truck & Equipment 1
#70 Dalian University Of Technology 1
#71 Drexel University 1
#72 Electronic Power Design 1
#73 Elme Spreader Ab 1
#74 Enovation Controls 1
#75 Federal Equipment 1
#76 Frank'S International 1
#77 Fuji Electric Co. 1
#78 Gamesa Innovation & Technology, S. L. 1
#79 Gomtec Gmbh 1
#80 Gse Technologies 1
#81 Guangzhou Construction Engineering Co. 1
#82 Haulotte Group 1
#83 Herkules Equipment 1
#84 Herrmann Ag 1
#85 Honda Motor Co. 1
#86 Hudson Bay Holding B.V. 1
#87 Huntington Ingalls Incorporated 1
#88 Institute Of Nuclear Energy Research 1
#89 Integris Rentals, L.L.C. 1
#90 Iveco Magirus Ag 1
#91 J. C. Bamford Excavators Limited 1
#92 Jergens 1
#93 Jlg Industries 1
#94 Kabushiki Kaisha Toshiba 1
#95 KFUPM 1
#96 Kito 1
#97 Kobelco Cranes Co. 1
#98 Komatsu 1
#99 Krones Ag 1
#100 Lely Patent N.V. 1