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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 Ari Kattainen 12 Kone
2 Brad Guilani 8 Otis Elevator
3 Aurelien Fauconnet 7 Otis Elevator
#4 Antti Hovi 6 Kone
#5 Arto Nakari 6 Kone
#6 Juha Helenius 6 Kone
#7 Bruce P. Swaybill 5 Otis Elevator
#8 Daniel A. Mosher 5 Otis Elevator
#9 Derk Oscar Pahlke 5 Otis Elevator
#10 Guillaume Montigny 5 Otis Elevator
#11 Hiroyuki Hayashi 5 Sumitomo Wiring Systems
#12 Hiroshi Kashiwakura 5 Fujitec Co.
#13 Kiron Bhaskar 5 Otis Elevator
#14 Martin Kusserow 5 Inventio Ag
#15 Michael J. Tracey 5 Otis Elevator
#16 Patricia Derwinski 5 Otis Elevator
#17 Zhengbao Shi 5 Otis Elevator
#18 Alexander Turek 4 Otis Elevator
#19 Astrid Sonnenmoser 4 Inventio Ag
#20 Christian Studer 4 Inventio Ag
#21 Chen Zhao 4 Silergy Semiconductor Technology (Hangzhou)
#22 Emmanuel Convard 4 Otis Elevator
#23 Frederic Beauchaud 4 Otis Elevator
#24 Harri Makinen 4 Kone
#25 James L. Hubbard 4 Otis Elevator
#26 Jim D. Hamlik 4 Rightline Equipment
#27 John P. Wesson 4 Otis Elevator
#28 Juha-Matti Aitamurto 4 Kone
#29 Juha-Matti Kuusinen 4 Kone
#30 Matthew Gilbride 4 Oshkosh
#31 Markku Haapaniemi 4 Kone
#32 Matti Rasanen 4 Kone
#33 Marja-Liisa Siikonen 4 Kone
#34 Mikael Haag 4 Kone
#35 Olli Pokkinen 4 Kone
#36 Peter Herkel 4 Otis Elevator
#37 Petri Kere 4 Kone
#38 Philipp Zimmerli 4 Inventio Ag
#39 Raimo Pelto-Huikko 4 Kone
#40 Randy Roberts 4 Otis Elevator
#41 Shinsuke Kanda 4 Tadano
#42 Sigmund Lindsay Clements 4
#43 Tarvo Viita-Aho 4 Kone
#44 Thomas Illedits 4 Inventio Ag
#45 Wenbo Huang 4 Otis Elevator
#46 Wenping Zhao 4 Otis Elevator
#47 Zack Zhu 4 Inventio Ag
#48 Ziming Kou 4 Taiyuan University Of Technology
#49 Akihide Shiratsuki 3 Mitsubishi Electric
#50 Alessandro Ferraro 3
#51 Andrea Cambruzzi 3 Inventio Ag
#52 Antti Koskinen 3 Kone
#53 Antti I Maki 3 Kone
#54 Anssi Venho 3 Kone
#55 Bejan Maghsoodi 3 Goodrich
#56 David Ginsberg 3 Otis Elevator
#57 David Lombardo 3 Oshkosh
#58 Dominik Praxmarer 3 Inventio Ag
#59 Eko Prasetiawan 3 Oshkosh
#60 Erich Bütler 3 Inventio Ag
#61 Erik C. Tracy 3 The Raymond
#62 Gerhard Kleewein 3 Inventio Ag
#63 Gerard Sirigu 3 Otis Elevator
#64 Guillaume Trouvain 3 Otis Elevator
#65 Ignacy Puszkiewicz 3 Jlg Industries
#66 Ivo Lustenberger 3 Inventio Ag
#67 Iwao Ishikawa 3 Tadano
#68 Jayapal Reddy Gireddy 3 Otis Elevator
#69 Jaakko Kalliomäki 3 Kone
#70 Jesper Moeller 3 Siemens Aktiengesellschaft
#71 Jin Inoue 3 Mitsubishi Electric
#72 Joel D. Hamlik 3 Rightline Equipment
#73 Juan Wu 3 Taiyuan University Of Technology
#74 Kazuma Mizuki 3 Tadano
#75 Kensuke Futahashi 3 Mitsubishi Electric
#76 Keita Mochizuki 3 Mitsubishi Electric
#77 Kurt Heinz 3 Inventio Ag
#78 Kurt Streibig 3 Inventio Ag
#79 Leandre Adifon 3 Otis Elevator
#80 Lieping Wei 3 Otis Elevator
#81 Luciano Mozzato 3
#82 Marco Maria Ceriani 3
#83 Markku Haivala 3 Kone
#84 Masahiro Ishikawa 3 Honda Motor Co.
#85 Mirko Ruokokoski 3 Kone
#86 Nino Mario Bianchi 3
#87 Noriyuki Hasegawa 3 Mitsubishi Electric
#88 Pasi Raassina 3 Kone
#89 Petteri Valjus 3 Kone
#90 Philipp Schedl 3 Otis Elevator
#91 Raphael Bitzi 3 Inventio Ag
#92 Scott Alan Eastman 3 Otis Elevator
#93 Stephen Harold Schumacher 3 Nabholz Construction
#94 Thomas Novacek 3 Inventio Ag
#95 Walter Thomas Schmidt 3 Otis Elevator
#96 XiaoBin Tang 3 Otis Elevator
#97 Aaron J. Gnagey 2 Caterpillar
#98 Andrew J. Kieser 2 Caterpillar
#99 Andrew James Laughton 2 Elevator Safety
#100 Arnaud Cazé 2 Otis Elevator

Top Companies

Rank Company Patents
1 Otis Elevator 150
2 Kone 62
3 Inventio Ag 35
#4 Mitsubishi Electric 27
#5 Tadano 13
#6 Konecranes Global 9
#7 Oshkosh 9
#8 Tk Elevator Innovation And Operations Gmbh 9
#9 Fujitec Co. 8
#10 Unknown 7
#11 Kobelco Construction Machinery Co. 6
#12 Caterpillar 6
#13 Toyota 6
#14 Altec Industries 5
#15 Jungheinrich Ag 5
#16 Liebherr-Werk Biberach Gmbh 5
#17 Liebherr-Werk Ehingen Gmbh 5
#18 Goodrich 4
#19 Hyster-Yale Group 4
#20 Kabushiki Kaisha Toshiba 4
#21 Taiyuan University Of Technology 4
#22 The Raymond 4
#23 Abb Schweiz Ag 3
#24 Cascade 3
#25 Crown Equipment 3
#26 Hiab Ab 3
#27 Illinois Tool Works 3
#28 Toyota Industries 3
#29 Nabholz Construction 3
#30 Palfinger Ag 3
#31 Rightline Equipment 3
#32 Shimadzu 3
#33 Siemens Gamesa Renewable Energy 3
#34 Tadano Demag Gmbh 3
#35 Brandt Industries Canada 2
#36 Conductix-Wampfler Gmbh 2
#37 Cranemasters 2
#38 Electronic Theatre Controls 2
#39 Elevator Safety 2
#40 G.A.L. Manufacturing Company 2
#41 Gray Manufacturing Company 2
#42 Harmar Mobility 2
#43 Haulotte Group 2
#44 Hubtex Maschinenbau Gmbh & Co. Kg 2
#45 Jlg Industries 2
#46 Liebherr-Components Biberach Gmbh 2
#47 Manitou Italia S.R.L. 2
#48 Manitowoc Crane Group France 2
#49 Nordic Minesteel Technologies 2
#50 Reel Tech Co. 2
#51 Safeworks 2
#52 Siemens Aktiengesellschaft 2
#53 Snap-On Incorporated 2
#54 Stertil B.V. 2
#55 The School Corporation Kansai University 2
#56 Vestas Wind Systems A/S 2
#57 Vita Inclinata Technologies 2
#58 Zedel 2
#59 Cisco 2
#60 Ford 2
#61 Amazon 1
#62 Apple 1
#63 AT&T 1
#64 Aga Tools & Products 1
#65 Ample 1
#66 Bauer Maschinen Gmbh 1
#67 Bbm Railway Equipment 1
#68 Bechtel Energy Technologies & Solutions 1
#69 Beijing Tusen Zhitu Technology Co. 1
#70 Bekaert Advanced Cords Aalter Nv 1
#71 Beltways 1
#72 Big Lift 1
#73 Carrier 1
#74 Cattron North America 1
#75 Chapman/Leonard Studio Equipment 1
#76 China University Of Mining And Technology-Beijing 1
#77 Cifa S.P.A. 1
#78 Clark Equipment 1
#79 Cnh Industrial America 1
#80 Columbus Mckinnon 1
#81 Comeup Industries 1
#82 CEA 1
#83 Compagnie Generale Des Etablissements Michelin 1
#84 Construction Specialties 1
#85 Daifuku Co. 1
#86 Danfoss Power Solutions Ii Technology A/S 1
#87 Delmar Systems 1
#88 Dissing A/S 1
#89 Doosan 1
#90 Doosan Industrial Vehicle Co. 1
#91 Draka Elevator Products 1
#92 Dsm Ip Assets B.V. 1
#93 Dutton-Lainson 1
#94 Eaglerail Container Logistics 1
#95 Elme Spreader Ab 1
#96 Energy Vault 1
#97 Epsilon Kran Gmbh 1
#98 Flsmidth A/S 1
#99 Funai Electric Co. 1
#100 Gilbert Engineering 1