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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Fluid systems and actuators

Fluid systems and actuators Patent Leaders in 2025 2025

Primary CPC class F15 · Section F

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 342 patents in 2020.peak 3421996: 154 patents19961997: 149 patents1998: 184 patents1999: 209 patents19992000: 205 patents2001: 270 patents2002: 246 patents20022003: 227 patents2004: 228 patents2005: 201 patents20052006: 200 patents2007: 178 patents2008: 159 patents20082009: 162 patents2010: 154 patents2011: 175 patents20112012: 162 patents2013: 244 patents2014: 228 patents20142015: 250 patents2016: 258 patents2017: 316 patents20172018: 291 patents2019: 328 patents2020: 342 patents20202021: 331 patents2022: 267 patents2023: 202 patents20232024: 215 patents2025: 230 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Ryan Prescott Susca 6 Hamilton Sundstrand
2 Josef Bueter 4 Buemach Engineering International B.V.
3 Akihiro Kondo 3 Kawasaki
#4 David Schuda 3 Moshun
#5 Gary W. Grube 3 Cleversafe
#6 Hideyasu Muraoka 3 Kawasaki
#7 Jason K. Resch 3 IBM
#8 John Edward Buchalo 3 Moshun
#9 Manuel Billich 3 John Deere
#10 Richard Michael Lang 3 Moshun
#11 Andreas Durner 2 Liebherr-Aerospace Lindenberg Gmbh
#12 Andrea Vacca 2 Cnh Industrial America
#13 August M. Coretto 2 Hamilton Sundstrand
#14 Avijit Ghosh 2 Vortex Pipe Systems
#15 Christoph Matthias Keplinger 2 University of Colorado, A Body Corporate
#16 Darren Michael Boundy 2 Moshun
#17 Derek A. Wente 2 Oshkosh
#18 Eric McHugh 2 Moshun
#19 Evan Anderson 2 Moshun
#20 Francis P. Marocchini 2 Hamilton Sundstrand
#21 George L. Wilson, IV 2 Moshun
#22 Hayato Kawasaki 2 Kaneka
#23 Hitoshi Yasui 2 Yokogawa Electric
#24 Jean-Baptiste KAMIS 2 Safran Landing Systems
#25 Jiawen GENG 2 Xuzhou Xcmg Excavator Machinery Co.
#26 Joseph Hill 2 —
#27 Jun UMEKAWA 2 Kawasaki
#28 Kenji Sakakibara 2 Brother Kogyo
#29 Koji Sato 2 Ntn
#30 Kurt Estes 2 Moshun
#31 Markus Bill 2 Hydac Fluidtechnik Gmbh
#32 Mario F. DeRango 2 Moshun
#33 Marcin KORCZYNSKI 2 Hamilton Sundstrand
#34 Mark F. Pelini 2 —
#35 Martin Pilcher 2 Aventics Gmbh
#36 Michael Berwanger 2 Hydac Mobilhydraulik Gmbh
#37 Michael Paul Rowe 2 Toyota
#38 Morgan O'Rorke 2 Hamilton Sundstrand
#39 Nobuyuki Kinoshita 2 Kawasaki
#40 Peter Kloft 2 Hydac Technology Gmbh
#41 Rameshkrishnan Lakshminarayanan 2 Caterpillar
#42 Richard A. Herbst 2 Moshun
#43 Sachin Ramprashad 2 Hamilton Sundstrand
#44 Shungo Fujita 2 Bridgestone
#45 Shane Karl Mitchell 2 University of Colorado, A Body Corporate
#46 Shardul S. Panwar 2 Toyota
#47 Steven Michael Barger 2 Moshun
#48 Stephan Grün 2 Hydac Mobilhydraulik Gmbh
#49 Tatsuhiro Arikawa 2 Eagle Industry Co.
#50 Terence Michael Lydon 2 Moshun
#51 Thomas Sauterleute 2 Liebherr-Aerospace Lindenberg Gmbh
#52 Thomas Wechsel 2 Hawe Hydraulik Se
#53 Torsten Kusserow 2 Hydac Technology Gmbh
#54 Tomomichi Nose 2 Kawasaki
#55 Tomoki Seki 2 Eagle Industry Co.
#56 Wilfredo Gonzalez, Jr. 2 Moshun
#57 Yousuke KATAOKA 2 Kawasaki
#58 Yoshiyuki Shimada 2 Eagle Industry Co.
#59 Yuta Okamoto 2 Eagle Industry Co.
#60 Scott T. Wolber 1 —
#61 Abigail Parsons 1 Honeywell
#62 Adam Mościcki 1 —
#63 Alexander Albert 1 Hydac Technology Gmbh
#64 Alex Allmandinger 1 Ford
#65 Alessandro Benevelli 1 Cnh Industrial America
#66 Alessandro Caccialupi 1 Coretrax Americas
#67 Alexis Dole 1 Artemis Intelligent Power Limited
#68 Alexis Dubois 1 Steelhead Composites
#69 Alex M. Fullenkamp 1 Caterpillar
#70 Alexander Haberstock 1 Zf Friedrichshafen Ag
#71 Alexander Meyer 1 Covestro Deutschland Ag
#72 Alexandre Orth 1 Robert Bosch Gmbh
#73 Alexander Pik 1 —
#74 Alexander Richard Trott 1 Salesforce
#75 Andrew Coors 1 Steelhead Composites
#76 Anshuman Deshpande 1 Zf Friedrichshafen Ag
#77 Andrew Feldkamp 1 Sierra Nevada Company
#78 Andreas Freuer 1 Dr. Ing. H.C. F. Porsche Ag
#79 Anton Gaile 1 Liebherr-Aerospace Lindenberg Gmbh
#80 Andreas Guender 1 Robert Bosch Gmbh
#81 Anders Einung Hansen 1 —
#82 Anders Karlsson 1 Alstom Technology
#83 Andrew Maxson 1 Ohio State Innovation Foundation
#84 Ananda Sudhakar Ponnusamy 1 Caterpillar
#85 Andrew Price 1 Horiba Stec, Co.
#86 Anthony Rulli 1 Honeywell
#87 Anzio Storci 1 —
#88 Anna Wicik 1 Norgren Limited
#89 Artur Bohr 1 Eckerle Technologies Gmbh
#90 Armin Kort 1 Hydac Technology Gmbh
#91 Arnaud Le Breton 1 Safran Landing Systems
#92 Arda Tueysuez 1 Abb Schweiz Ag
#93 Arata Yagi 1 Yazaki
#94 Asli TUNCAY ATALAY 1 Istanbul Teknik Universitesi
#95 Austin Schneider 1 Crystaphase Products
#96 Ayse Feyza Arslan 1 Istanbul Teknik Universitesi
#97 Benjamin Bouvier 1 Airbus Operations Sas
#98 Ben Gall 1 Enerpac Tool Group
#99 Benjamin Hasner 1 Hawe Hydraulik Se
#100 Benedikt Heigenhauser 1 Thyssenkrupp Ag

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Hamilton Sundstrand 7
2 Robert Bosch Gmbh 7
3 John Deere 7
#4 Caterpillar 6
#5 Kawasaki 5
#6 Bümach Engineering International B.V. 4
#7 Bridgestone 3
#8 Ckd 3
#9 Hawe Hydraulik Se 3
#10 Hydac Technology Gmbh 3
#11 Saudi Arabian Oil 3
#12 Xuzhou Xcmg Excavator Machinery Co. 3
#13 Aventics Gmbh 2
#14 Cnh Industrial America 2
#15 Dana Motion Systems Italia S.R.L. 2
#16 Danfoss A/S 2
#17 Eagle Industry Co. 2
#18 Festo Se & Co. Kg 2
#19 Hydac Fluidtechnik Gmbh 2
#20 Hydac Mobilhydraulik Gmbh 2
#21 Parker-Hannifin 2
#22 Safran Landing Systems 2
#23 Smc 2
#24 The Boeing 2
#25 University of Colorado, A Body Corporate 2
#26 Zf Cv Systems Europe Bv 2
#27 RTX (Raytheon) 2
#28 Toyota 2
#29 Abb Schweiz Ag 1
#30 Advics Co. 1
#31 Afag Holding Ag 1
#32 Agco 1
#33 Airbus Operations Limited 1
#34 Airbus Operations Sas 1
#35 Auma Riester Gmbh & Co. Kg 1
#36 Bae Systems Plc 1
#37 Boston Dynamics 1
#38 Bucher Hydraulics Gmbh 1
#39 Chongqing University 1
#40 Cnh Industrial Italia S.P.A. 1
#41 Coretrax Americas 1
#42 Crystaphase Products 1
#43 Danfoss Power Solutions Aps 1
#44 Doben Limited 1
#45 Dresser Industries 1
#46 Dr. Ing. H.C. F. Porsche Ag 1
#47 Driv Automotive 1
#48 East China Jiaotong University 1
#49 Eaton Intelligent Power Limited 1
#50 Eckerle Technologies Gmbh 1
#51 Energy Recovery 1
#52 Enerpac Tool Group 1
#53 Fca Us Llc. 1
#54 Flexcon Industries 1
#55 Fox Factory 1
#56 Fresh Health 1
#57 Gemü Gebr. Müller Apparatebau Gmbh & Co. Kommanditgesellschaft 1
#58 Goodrich Actuation Systems Limited 1
#59 Great Plains Manufacturing 1
#60 G.W. Lisk Company 1
#61 Hewlett Packard Enterprise 1
#62 Hiab Ab 1
#63 Hitachi Astemo 1
#64 Horiba Stec, Co. 1
#65 Husqvarna Ab 1
#66 Hydraforce 1
#67 Istanbul Teknik Universitesi 1
#68 Jatco 1
#69 Ka Group Ag 1
#70 Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh 1
#71 Komatsu 1
#72 Ksb Se & Co. Kgaa 1
#73 Kti Hydraulics 1
#74 Kubota 1
#75 Kyb 1
#76 Liebherr-Aerospace Lindenberg Gmbh 1
#77 Liebherr-Werk Bischofshofen Gmbh 1
#78 Manitou Italia S.R.L. 1
#79 Metismotion Gmbh 1
#80 Moshun 1
#81 Naber Holding Gmbh & 1
#82 Nabtesco 1
#83 Nissan Motor Co. 1
#84 Norgren Limited 1
#85 Ohio State Innovation Foundation 1
#86 Oshkosh 1
#87 Parker Hannifin Emea S.À.R.L. 1
#88 Phd 1
#89 Priva B.V. 1
#90 Purdue Research Foundation 1
#91 Safran Landing Systems Uk 1
#92 Savant Holdings 1
#93 Schaeffler 1
#94 Sonnax Transmission 1
#95 Steelhead Composites 1
#96 Sun Hydraulics 1
#97 Suspa Gmbh 1
#98 Taiwan Chelic Co. 1
#99 Taiyuan University Of Technology 1
#100 Textron 1