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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 Tadeusz Pawel Witczak 10 Otis Elevator
2 Derk Oscar Pahlke 9 Otis Elevator
3 Marco Iotti 8 Manitou Italia S.R.L.
#4 Philipp Zimmerli 8 Inventio Ag
#5 Andrea Cambruzzi 7 Inventio Ag
#6 Matti Rasanen 7 Kone
#7 Raphael Bitzi 7 Inventio Ag
#8 Sandeep Sudi 7 Otis Elevator
#9 Walter Thomas Schmidt 7 Otis Elevator
#10 Andrea Pedretti 6 Energy Vault
#11 Ari Kattainen 6 Kone
#12 Craig Drew Bogli 6 Otis Elevator
#13 Eliza Olczyk 6 Inventio Ag
#14 Markku Haapaniemi 6 Kone
#15 Michael J. Tracey 6 Otis Elevator
#16 Oliver Simmonds 6 Inventio Ag
#17 Anssi Venho 5 Kone
#18 Bichun Li 5 Otis Elevator
#19 Christian Studer 5 Inventio Ag
#20 Enrico Manes 5 Otis Elevator
#21 Erich Bütler 5 Inventio Ag
#22 Jihong Hao 5 Oshkosh
#23 Korry D. Kobel 5 Oshkosh
#24 Martin Kusserow 5 Inventio Ag
#25 Mikko Puranen 5 Kone
#26 Reto Tschuppert 5 Inventio Ag
#27 Shinsuke Kanda 5 Tadano
#28 Shenhong Wang 5 Otis Elevator
#29 Antti Saarelainen 4 Kone
#30 Brad Guilani 4 Otis Elevator
#31 David Lombardo 4 Oshkosh
#32 Henri Wenlin 4 Kone
#33 Hiroshi Kashiwakura 4 Fujitec Co.
#34 Ignacy Puszkiewicz 4 Jlg Industries
#35 Janne Laine 4 Kone
#36 Josef Husmann 4 Inventio Ag
#37 Jorma Mustalahti 4 Kone
#38 Justin Billard 4 Otis Elevator
#39 Kazuma Mizuki 4 Tadano
#40 Kiron Bhaskar 4 Otis Elevator
#41 Mauro Pedretti-Rodi 4 Energy Vault
#42 Paul R. Braunwart 4 Otis Elevator
#43 Randy Roberts 4 Otis Elevator
#44 Tarvo Viita-Aho 4 Kone
#45 Wenbo Huang 4 Otis Elevator
#46 Yrinee Michaelidis 4 Otis Elevator
#47 Andrew Goodwin 3 G.A.L. Manufacturing Company
#48 Antti Koskinen 3 Kone
#49 Antonio Martins 3 Otis Elevator
#50 Andreas Simon 3 Crown Equipment
#51 Arto Nakari 3 Kone
#52 Astrid Sonnenmoser 3 Inventio Ag
#53 Brian K. Mohlman 3 Jlg Industries
#54 Bradley Armand Scoville 3 Otis Elevator
#55 Changle Li 3 Huawei
#56 Charles Mackenzie-Smith 3 G.A.L. Manufacturing Company
#57 Daniel A. Mosher 3 Otis Elevator
#58 Eko Prasetiawan 3 Oshkosh
#59 Eric Birrer 3 Inventio Ag
#60 Fredric L. Yutzy 3 Oshkosh
#61 Hao Lu 3 China University Of Mining And Technology
#62 Janne Mikkonen 3 Kone
#63 Jari Osterman 3 Kone
#64 Jori Hagg 3 Kone
#65 Juha-Matti Aitamurto 3 Kone
#66 Juan Antonio Illan 3 Otis Elevator
#67 Juhamatti Nikander 3 Kone
#68 Jürgen Resch 3 Liebherr-Components Biberach Gmbh
#69 Killakathu Ramanathan Babu 3 Unknown
#70 Kyle Martin 3 Aob Products
#71 Louis Bafile 3 Oshkosh
#72 Markus Hofmeister 3 Liebherr-Werk Biberach Gmbh
#73 Michael Palberg 3 Liebherr-Components Biberach Gmbh
#74 Nikola Trcka 3 Otis Elevator
#75 Otto Lanz 3 Kone
#76 Paul Alexander Cook 3 Stannah Stairlifts Limited
#77 Paul A. Simcik 3 Otis Elevator
#78 Petri Kere 3 Kone
#79 Philippe Henneau 3 Inventio Ag
#80 Ravikiran Singaraju 3 Otis Elevator
#81 Richard E. Kulak 3 Otis Elevator
#82 Romeo Lo Jacono 3 Inventio Ag
#83 Sebastian Theos 3 Crown Equipment
#84 Wei-Chung Wang 3 Disney
#85 Xiaofei Guo 3 Otis Elevator
#86 Yuxing Peng 3 China University Of Mining And Technology
#87 Yu Tang 3 China University Of Mining And Technology
#88 Zhencai Zhu 3 China University Of Mining And Technology
#89 Adriaan Joris H. Larmuseau 2 Otis Elevator
#90 Adrian Steiner 2 Steiner Ag Weggis
#91 Aditya Swami 2 Otis Elevator
#92 Aiwen Liu 2 Crrc Yangtze Group Co.
#93 Aki HAIKONEN 2 Kone
#94 Allen Edward Brook 2 Bruno Independent Living Aids
#95 Andrej BURAKOV 2 Kone
#96 Antti Hovi 2 Kone
#97 Arthur Hsu 2 Otis Elevator
#98 Atte Lähteenmäki 2 Konecranes Global
#99 Axel Hosemann 2 Inventio Ag
#100 Bismark J. Aldana 2 G.A.L. Manufacturing Company

Top Companies

Rank Company Patents
1 Otis Elevator 134
2 Inventio Ag 44
3 Kone 44
#4 Oshkosh 20
#5 Mitsubishi Electric 15
#6 Tadano 13
#7 Toyota 11
#8 Unknown 10
#9 Crown Equipment 8
#10 Liebherr-Werk Biberach Gmbh 8
#11 Liebherr-Werk Ehingen Gmbh 8
#12 Manitou Italia S.R.L. 8
#13 Manitowoc Crane Group France 8
#14 Energy Vault 6
#15 Konecranes Global 6
#16 Tadano Demag Gmbh 6
#17 Fujitec Co. 4
#18 Hiab Ab 4
#19 Hyster-Yale Group 4
#20 Siemens Aktiengesellschaft 4
#21 Stannah Stairlifts Limited 4
#22 The Raymond 4
#23 Tk Home Solutions B.V. 4
#24 IBM 4
#25 China University Of Mining And Technology 3
#26 G.A.L. Manufacturing Company 3
#27 Goodrich 3
#28 Hitachi 3
#29 Jungheinrich Ag 3
#30 Toyota Industries 3
#31 Manitowoc Crane Companies 3
#32 Mitsubishi Logisnext Co. 3
#33 Palfinger Ag 3
#34 Robert Bosch Gmbh 3
#35 Shanghai Master Matrix Information Technology Co. 3
#36 Stertil B.V. 3
#37 Sumitomo Heavy Industries Construction Cranes Co. 3
#38 Tadano Faun Gmbh 3
#39 The Boeing 3
#40 Toshiba Elevator 3
#41 Vestas Wind Systems A/S 3
#42 Caterpillar 3
#43 Bosch Automotive Service Solutions 2
#44 Bruno Independent Living Aids 2
#45 Comeup Industries 2
#46 Crrc Yangtze Group Co. 2
#47 David R. Cordell & Associates 2
#48 Greenfield Products 2
#49 Intrinsic Innovation 2
#50 Jlg Industries 2
#51 Kabushiki Kaisha Toshiba 2
#52 Kobelco Construction Machinery Co. 2
#53 Korea Institute Of Civil Engineering And Building Technology 2
#54 Liebherr-Components Biberach Gmbh 2
#55 Liebherr-Werk Nenzing Gmbh 2
#56 Liko Research & Development Ab 2
#57 Milwaukee Electric Tool 2
#58 National Technology & Engineering Solutions Of Sandia 2
#59 Prysmian S.P.A. 2
#60 Reel 2
#61 Siemens Gamesa Renewable Energy 2
#62 Southeast University 2
#63 Tata Consultancy Services Limited 2
#64 The School Corporation Kansai University 2
#65 Tk Elevator Innovation And Operations Gmbh 2
#66 Vacuworx Global 2
#67 Xuzhou Heavy Machinery Co. 2
#68 Xuzhou Liren Monorail Transportation Equipment Co. 2
#69 GE 2
#70 Samsung 2
#71 3M 1
#72 Applied Materials 1
#73 Amp Robotics 1
#74 Arrival Limited 1
#75 Bekaert Advanced Cords Aalter Nv 1
#76 Beltways 1
#77 Bendpak 1
#78 Besser 1
#79 Bühler Ag 1
#80 Cargotec Finland Oy 1
#81 Cargotec Research & Development Ireland Limited 1
#82 Carrier 1
#83 Cascade 1
#84 Cattron North America 1
#85 Changshu Institute Of Technology 1
#86 Clearpath Robotics 1
#87 Comau S.P.A. 1
#88 Coretronic 1
#89 Daifuku Co. 1
#90 Dane Technologies 1
#91 Danfoss Power Solutions Ii Technology A/S 1
#92 Dissing A/S 1
#93 Doosan 1
#94 Equipment Corporation Of America 1
#95 Ewellix Ab 1
#96 Farobot 1
#97 Fenton Mobility Products 1
#98 Flsmidth A/S 1
#99 Flytrex Aviation 1
#100 Forcome Co. 1