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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 Paul A. Simcik 14 Otis Elevator
2 Ari Kattainen 11 Kone
3 David R. Hall 11 Hall Labs
#4 Hui Fang 11 Otis Elevator
#5 Alan Matthew Finn 10 Otis Elevator
#6 Eric C. Peterson 10 Otis Elevator
#7 Arthur Hsu 9 Otis Elevator
#8 Bradley Armand Scoville 9 Otis Elevator
#9 Zhen Jia 9 Dell Products
#10 Jianwei Zhao 8 Carrier
#11 Qiang Li 8 Huawei
#12 Richard N. Fargo 8 Otis Elevator
#13 Zbigniew Piech 8 Otis Elevator
#14 Aurelien Fauconnet 7 Otis Elevator
#15 Daniel Madsen 7 Hall Labs
#16 Ismail Agirman 7 Otis Elevator
#17 Randall Keith Roberts 7 Otis Elevator
#18 Tadeusz Pawel Witczak 7 Otis Elevator
#19 Amir Lotfi 6 Dmf
#20 Anna Su 6 Otis Elevator
#21 Ashley Chapman 6 Otis Elevator
#22 Brad Guilani 6 Otis Elevator
#23 David Ginsberg 6 Otis Elevator
#24 Enrico Manes 6 Otis Elevator
#25 Shashank Krishnamurthy 6 Otis Elevator
#26 Zhaoxia Hu 6 Otis Elevator
#27 Antti Hovi 5 Kone
#28 Benjamin Taylor 5 Hall Labs
#29 Bruce P. Swaybill 5 Otis Elevator
#30 Carsten Schöttke 5 Jungheinrich Ag
#31 Ernst-Peter Magens 5 Jungheinrich Ag
#32 Frederic Beauchaud 5 Otis Elevator
#33 Hiroaki Kawai 5 Fujitsu Limited
#34 Hubert Bibernell 5 Jungheinrich Ag
#35 Ignacy Puszkiewicz 5 Jlg Industries
#36 Joop Roodenburg 5 Itrec B.V.
#37 Jürgen Schmalzl 5 Jungheinrich Ag
#38 LongWen Wang 5 Otis Elevator
#39 Matti Rasanen 5 Kone
#40 Richard J. Ericson 5 Otis Elevator
#41 Walter Thomas Schmidt 5 Otis Elevator
#42 Astrid Sonnenmoser 4 Inventio Ag
#43 Daniel A. Mosher 4 Otis Elevator
#44 Derrick L. Geiser 4 Manitowoc Crane Companies
#45 Eduard Steinhauer 4 Thyssenkrupp Elevator
#46 Emily Baldi 4 Otis Elevator
#47 Esko Aulanko 4 Kone
#48 Guohua Cao 4 China University Of Mining And Technology
#49 Guohong Hu 4 Otis Elevator
#50 HanJong Kim 4 Otis Elevator
#51 Hannu Lehtinen 4 Kone
#52 Hans-Dieter Willim 4 Liebherr-Werk Ehingen Gmbh
#53 Ivo Lustenberger 4 Inventio Ag
#54 Joseph R. Rucinski 4 Manitowoc Crane Companies
#55 John P. Wesson 4 Otis Elevator
#56 Jukka Salmikuukka 4 Kone
#57 Lauri Stolt 4 Kone
#58 Lloyd J. Wilson 4 Hall Labs
#59 Markku Haapaniemi 4 Kone
#60 Pentti Alasentie 4 Kone
#61 Randall S. Dube 4 Otis Elevator
#62 Takashi Hiekata 4 Kobe Steel
#63 Timothy James Albinger 4 Manitowoc Crane Companies
#64 Toshiro Yamashita 4 Kobe Steel
#65 Yuji Harauchi 4 Tadano
#66 Yuki Hata 4 Semiconductor Energy Laboratory
#67 Zhencai Zhu 4 China University Of Mining And Technology
#68 Alfred Hess 3 Liebherr-Werk Biberach Gmbh
#69 Alois Senger 3 Otis Elevator
#70 Andrew Priddis 3 Hall Labs
#71 Arto Nakari 3 Kone
#72 Bernd Altenburger 3 Thyssenkrupp Elevator
#73 Bryan Averill 3 Warn Industries
#74 Chan-Jong Park 3 Samsung
#75 Darren G. Fretz 3 Warn Industries
#76 Daryl J. Marvin 3 Otis Elevator
#77 David J. Pech 3 Manitowoc Crane Companies
#78 Donald A. Hoffend, III 3 Electronic Theatre Controls
#79 Eckhard Wimmer 3 Palfinger Ag
#80 Fritz-Botho Köster 3 Terex Global Gmbh
#81 Gopal R. Krishnan 3 Otis Elevator
#82 Hisanori Seki 3 Otis Elevator
#83 Holger Zerelles 3 Thyssenkrupp Elevator
#84 Ian Moore 3 Westerngeco L.L.C.
#85 James M. Collins 3 Otis Elevator
#86 James L. Hubbard 3 Otis Elevator
#87 Janne Mikkonen 3 Kone
#88 Jerome Miles 3 Hall Labs
#89 Jose Miguel Pasini 3 Otis Elevator
#90 Jouni Ratia 3 Kone
#91 Joel D. Zick 3 Manitowoc Crane Companies
#92 Koji Inoue 3 Canon
#93 Lars Eberhardt 3 Liebherr-Werk Ehingen Gmbh
#94 Larry M. Jaipaul 3 Gray Manufacturing Company
#95 Lei Wei 3 Micron
#96 Markku Haivala 3 Kone
#97 Martin Kusserow 3 Inventio Ag
#98 Niko Elomaa 3 Kone
#99 Oliver Moll 3 Konecranes Global
#100 Paul Papas 3 Otis Elevator

Top Companies

Rank Company Patents
1 Otis Elevator 150
2 Kone 59
3 Inventio Ag 31
#4 Mitsubishi Electric 25
#5 Thyssenkrupp Elevator 18
#6 Thyssenkrupp Ag 15
#7 Kobelco Construction Machinery Co. 12
#8 Konecranes Global 12
#9 Liebherr-Werk Ehingen Gmbh 12
#10 Manitowoc Crane Companies 12
#11 Hall Labs 11
#12 Tadano 10
#13 Unknown 9
#14 Oshkosh 8
#15 Jungheinrich Ag 7
#16 Toyota Industries 7
#17 Kobe Steel 6
#18 Liebherr-Werk Biberach Gmbh 6
#19 Palfinger Ag 6
#20 Altec Industries 5
#21 Crown Equipment 5
#22 Itrec B.V. 5
#23 Gray Manufacturing Company 4
#24 Hyster-Yale Group 4
#25 Kito 4
#26 The Boeing 4
#27 The Raymond 4
#28 Warn Industries 4
#29 GE 4
#30 China University Of Mining And Technology 3
#31 Electronic Theatre Controls 3
#32 Goodrich 3
#33 Honda Motor Co. 3
#34 Liebherr-Components Biberach Gmbh 3
#35 Linde Material Handling Gmbh 3
#36 Ningbo Lianda Winch Co. 3
#37 Siemens Aktiengesellschaft 3
#38 Terex Global Gmbh 3
#39 Toshiba Elevator 3
#40 Vehicle Service Group 3
#41 Xuzhou Heavy Machinery Co. 3
#42 Caterpillar 3
#43 IBM 3
#44 Actuant 2
#45 Cascade 2
#46 Cedes Ag 2
#47 Comeup Industries 2
#48 Daifuku Co. 2
#49 Dongnan Elevator Co. 2
#50 Fosbel 2
#51 Greenfield Products 2
#52 Harry Miller Co. 2
#53 Haulotte Group 2
#54 Hyundai Motor 2
#55 Ingersoll-Rand 2
#56 Jenoptik Advanced Systems Gmbh 2
#57 Jlg Industries 2
#58 Kia Motors 2
#59 Link-Belt Cranes, L.P., Lllp 2
#60 Manitowoc Crane Group France 2
#61 Markwest Energy Partners 2
#62 Mitsubishi Electric 2
#63 Reel Power Licensing 2
#64 Reid Lifting Limited 2
#65 Rightline Equipment 2
#66 Schlumberger Technology 2
#67 Stannah Stairlifts Limited 2
#68 Walmart Apollo 2
#69 Wittur Holding Gmbh 2
#70 Yoke Industrial 2
#71 Zhejiang Dingli Machinery Co. 2
#72 Toyota 2
#73 Addictive Desert Designs 1
#74 Advance Lifts 1
#75 A.K. Stamping Company 1
#76 Aristocrat Technologies Australia Pty Limited 1
#77 Auto Crane 1
#78 Big Lift 1
#79 Bluemarine Offshore Yard Service B.V. 1
#80 Bosch Automotive Service Solutions 1
#81 Bubba Rope 1
#82 Bucher Hydraulics S.P.A 1
#83 Cameron International 1
#84 Cargotec Research & Development Ireland Limited 1
#85 Carrier 1
#86 Dalian University Of Technology 1
#87 Danfoss Power Solutions Gmbh & Co. Ohg 1
#88 Daystar Products International 1
#89 Dell Products 1
#90 Dutton-Lainson 1
#91 Eaglerail Container Logistics 1
#92 Echostar Technologies International 1
#93 Ehc Canada 1
#94 Elevator Safety 1
#95 Elme Spreader Ab 1
#96 E-Makeco. 1
#97 Enercorp Sand Solutions 1
#98 Federal Equipment 1
#99 Forum Us 1
#100 Fraunhofer 1