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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Hydraulic and foundation engineering

Hydraulic and foundation engineering Patent Leaders in 2017 2017

Primary CPC class E02 · Section E

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 913 patents in 2024.peak 9131996: 398 patents19961997: 303 patents1998: 407 patents1999: 447 patents19992000: 429 patents2001: 443 patents2002: 442 patents20022003: 459 patents2004: 388 patents2005: 349 patents20052006: 391 patents2007: 290 patents2008: 293 patents20082009: 345 patents2010: 438 patents2011: 403 patents20112012: 371 patents2013: 530 patents2014: 692 patents20142015: 728 patents2016: 681 patents2017: 735 patents20172018: 678 patents2019: 826 patents2020: 788 patents20202021: 716 patents2022: 741 patents2023: 717 patents20232024: 913 patents2025: 904 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Yoshiki Kami 10 Komatsu
2 Masashi Ichihara 9 Komatsu
3 Hidetoshi Satake 8 Hitachi Construction Machinery Co.
#4 Shunsuke Miyamoto 8 Komatsu
#5 Hiroshi Monden 6 Komatsu
#6 Katsuhiro Ikegami 6 Komatsu
#7 Masatoshi Hoshino 6 Hitachi Construction Machinery Co.
#8 Michael Taylor 6 Caterpillar
#9 Shinji Ishihara 6 Hitachi Construction Machinery Co.
#10 Takeshi Takaura 6 Komatsu
#11 Thomas Marshall Congdon 6 Caterpillar
#12 Yuki Shimano 6 Komatsu
#13 Akinori Baba 5 Komatsu
#14 Daiki Arimatsu 5 Komatsu
#15 Giovanni A. Wuisan 5 John Deere
#16 Kouji Ishikawa 5 Hitachi Construction Machinery Co.
#17 Masanobu Seki 5 Komatsu
#18 Minoru Wada 5 Fujitsu Limited
#19 Mo Wei 5 Caterpillar
#20 Nathan J. Horstman 5 John Deere
#21 Paul W. Suver 5 American Piledriving Equipment
#22 Ronald J. Huber 5 John Deere
#23 Shinya Imura 5 Hitachi Construction Machinery Co.
#24 Shinji Nishikawa 5 Hitachi Construction Machinery Co.
#25 Tomoaki Kaneta 5 Hitachi Construction Machinery Co.
#26 Yuto Fujii 5 Komatsu
#27 Daniel A. Jones 4 Progressive Games Partners
#28 Jeffrey Graham Fletcher 4 Caterpillar
#29 Joseph J. Colwell 4 —
#30 Koji Ueda 4 Kobelco Construction Machinery Co.
#31 Masahiro Kuroda 4 Kubota
#32 Makoto Naito 4 Komatsu
#33 Philip Paull 4 —
#34 Ranishka De Silva Hewavisenthi 4 Caterpillar
#35 Ricky Kam Ho Chow 4 Caterpillar
#36 Shiho Izumi 4 Hitachi Construction Machinery Co.
#37 Yasuki Kishimoto 4 Komatsu
#38 Yasunori Ohkura 4 Komatsu
#39 Allan P. Henderson 3 Terracon Consultants
#40 Arthur L. Price 3 —
#41 Azumi Nomura 3 Komatsu
#42 Chun-Han Lee 3 Volvo Construction Equipment Ab
#43 Douglas C. Serrurier 3 Caterpillar
#44 Hayato Ido 3 Kubota
#45 Hayato Matsumoto 3 Komatsu
#46 Hajime Tamaki 3 Kubota
#47 Hiroaki AMANO 3 Hitachi Construction Machinery Co.
#48 Hiroyuki Anami 3 Kubota
#49 Hidekazu Moriki 3 Hitachi Construction Machinery Co.
#50 Ignacio Alonso Martinez 3 John Deere
#51 James Robert LaHood 3 Caterpillar
#52 Jin Kitajima 3 Komatsu
#53 Ken Takeuchi 3 Kabushiki Kaisha Toshiba
#54 Masao Yamamura 3 Komatsu
#55 Masao Yoshizawa 3 Komatsu
#56 Michael Linstroth 3 —
#57 Michael W. N. Wilson 3 Ail International
#58 Nicholas R. Voelz 3 Joy Global Surface Mining
#59 Robert A. MacDonald 3 Keystone Retaining Wall Systems
#60 Ryohei Sumiyoshi 3 Kubota
#61 Satoshi Tajima 3 Kubota
#62 Stephen Schmidt 3 Linde Material Handling Gmbh
#63 Tatsuo Aira 3 Komatsu
#64 Takeshi Kamimae 3 Komatsu
#65 Thandava K. Edara 3 Caterpillar
#66 Toshihiko Takemura 3 Kubota
#67 Troy K. Becicka 3 Caterpillar
#68 Tsutomu Iwamura 3 Komatsu
#69 Yuichi Nakano 3 Sony
#70 Yutaka Tanaka 3 Sony
#71 Yuji Yamashita 3 Kubota
#72 Aaron Hertzel Jagoda 2 Eaton
#73 Adam Nackers 2 Caterpillar
#74 Aditya Singh 2 Cnh Industrial America
#75 Amy C. Tidwell 2 ExxonMobil
#76 Beau G. Adams 2 —
#77 Benjamin Edward Smeaton 2 Sandvik Intellectual Property Ab
#78 Bradley John Dallard 2 Sandvik Intellectual Property Ab
#79 Bryan Rausch 2 John Deere
#80 Brad Robert Van De Veer 2 Caterpillar
#81 Carl P. Darukhanavala 2 General Motors
#82 Carlton Dudding 2 Awt Ip
#83 Christopher M. Carpenter 2 Esco Group
#84 Chunnan Wu 2 Sumitomo Heavy Industries
#85 Corey Lee Gorman 2 Caterpillar
#86 Cody L. Sewell 2 The Charles Machine Works
#87 David R. Bazzell 2 The Charles Machine Works
#88 Daniel E. Bozich 2 Caterpillar
#89 Dayao Chen 2 Caterpillar
#90 Damien Faivre 2 John Deere
#91 David J. White 2 Geopier Foundation Company
#92 Dennis Carr 2 Stable Concrete Structures
#93 Dirk Asam 2 Liebherr-Hydraulikbagger Gmbh
#94 Donald M. Conklin 2 Esco Group
#95 Duqiang Wu 2 Cnh Industrial America
#96 Dziugas Radzius 2 Esco Group
#97 Edward A. DePietro 2 Comcast
#98 Eric W. Cler 2 Caterpillar
#99 Gary E. Abeles 2 Dynatax Solutions
#100 Gary Ahlberg 2 —

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Komatsu 94
2 Caterpillar 71
3 Hitachi Construction Machinery Co. 30
#4 John Deere 20
#5 Harnischfeger 16
#6 Kobelco Construction Machinery Co. 13
#7 Volvo Construction Equipment Ab 11
#8 Doosan Infracore Co. 9
#9 Unknown 9
#10 Cnh Industrial America 8
#11 Kubota 8
#12 Sumitomo Construction Machinery Co. 8
#13 American Piledriving Equipment 5
#14 Ihc Holland Ie B.V. 5
#15 J. C. Bamford Excavators Limited 4
#16 Yanmar Holdings Co. 4
#17 Esco Group 3
#18 Geopier Foundation Company 3
#19 Kcm 3
#20 Keystone Retaining Wall Systems 3
#21 Kobe Steel 3
#22 Soletanche Freyssinet 3
#23 Sumitomo Heavy Industries 3
#24 The Charles Machine Works 3
#25 The Yokohama Rubber Co. 3
#26 Awt Ip 2
#27 Bradken Resources Pty Limited 2
#28 Concrete Systems 2
#29 Cqms Pty 2
#30 Cummins 2
#31 Eaton 2
#32 Hitachi Construction Machinery Tierra Co. 2
#33 Hubbell Incorporated 2
#34 Ihc Engineering Business Limited 2
#35 Joseph Voegele Ag 2
#36 Kinshofer Gmbh 2
#37 Korea Institute Of Ocean Science & Technology 2
#38 Liebherr-Hydraulikbagger Gmbh 2
#39 Lmk Technologies 2
#40 M & L Patent Oy Ab 2
#41 Parker-Hannifin 2
#42 Sandvik Intellectual Property Ab 2
#43 Senvion Se 2
#44 Stable Concrete Structures 2
#45 University Of Washington Through Its Center For Commercialization 2
#46 Vac-Tron Equipment 2
#47 Vsl International Ag 2
#48 Comcast 2
#49 ExxonMobil 2
#50 1708828 Ontario 1
#51 Abb Research 1
#52 Abi Attachments 1
#53 Aco Sevrin Ahlmann Gmbh & Co Kg 1
#54 Aquadation 1
#55 Aw-Energy Oy 1
#56 Bauer Maschinen Gmbh 1
#57 Bauer Spezialtiefbau Gmbh 1
#58 Black Cat Blades 1
#59 Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College 1
#60 Brokk Aktiebolag 1
#61 China Shenhua Energy Company Limited 1
#62 Cintec International Limited 1
#63 Circle Dynamics 1
#64 Combi Wear Parts Ab 1
#65 Company Wrench 1
#66 Contech Engineered Solutions 1
#67 Crux Subsurface 1
#68 Crystal Spring Colony Farms 1
#69 Dcns 1
#70 Decoy Stake Solutions 1
#71 Intellectual Ventures 1
#72 Empire Technology Development 1
#73 Ertec Environmental Systems 1
#74 Esteyco S.A.P. 1
#75 Florida A&M University 1
#76 Goliathtech 1
#77 Gripple Limited 1
#78 Guangxi Liugong Machinery Co. 1
#79 Halliburton Energy Services 1
#80 Halo Maritime Defense Systems 1
#81 Harbo Technologies 1
#82 Heintzmann 1
#83 Hesco Bastion Limited 1
#84 Hexagon Technology Center Gmbh 1
#85 Hinode 1
#86 Hitachi 1
#87 H&L Tooth 1
#88 Horton Wison Deepwater 1
#89 Hudson Bay Holding B.V. 1
#90 Hyundai Heavy Industries Co. 1
#91 Institute Of Mountain Hazzards And Environment, Chinese Academy Of Sciences 1
#92 Institute Of Rock And Soil Mechanics, Chinese Academy Of Sciences 1
#93 J.F. Brennan Company 1
#94 J.F.R. Enterprises 1
#95 Keppel Offshore & Marine Technology Centre Pte 1
#96 Keystone Engineering 1
#97 KFUPM 1
#98 King Saud University 1
#99 Kyb 1
#100 Laitram, L.L.C. 1