Fluid systems and actuators Patent Leaders 2018

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: 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Patents per Year

Top Inventors

Rank ↑	Inventor ↕	Patents ↕	Primary Company ↕
1	Kouji Ishikawa	5	Hitachi Construction Machinery Co.
2	Herbert Baltes	4	Hydac Technology Gmbh
3	Hidetoshi Satake	4	Hitachi Construction Machinery Co.
#4	Koji Ueda	4	Kobelco Construction Machinery Co.
#5	Peter Kloft	4	Hydac Technology Gmbh
#6	Akihiro Kondo	3	Kawasaki
#7	Andreas Ekvall	3	Volvo Construction Equipment Ab
#8	Bo Vigholm	3	Volvo Construction Equipment Ab
#9	David G. Bannon	3	Hamilton Sundstrand
#10	Dayao Chen	3	Caterpillar
#11	Jeremy T. Peterson	3	Caterpillar
#12	Jiao Zhang	3	Caterpillar
#13	Kazushige Mori	3	Hitachi Construction Machinery Tierra Co.
#14	Kim Heybroek	3	Volvo Construction Equipment Ab
#15	Kiwamu Takahashi	3	Hitachi Construction Machinery Tierra Co.
#16	Natsuki Nakamura	3	Hitachi Construction Machinery Tierra Co.
#17	Pengfei Ma	3	Caterpillar
#18	Ralf Gomm	3	Parker-Hannifin
#19	Shinya Imura	3	Hitachi Construction Machinery Co.
#20	Shiho Izumi	3	Hitachi Construction Machinery Co.
#21	Tonglin Shang	3	Caterpillar
#22	Yasutaka Tsuruga	3	Hitachi Construction Machinery Co.
#23	Yoshifumi Takebayashi	3	Hitachi Construction Machinery Tierra Co.
#24	Aaron R. Kenkel	2	John Deere
#25	Alex Khripin	2	Boston Dynamics
#26	Alfred Anthony Rizzi	2	Boston Dynamics
#27	Andrew J. Kleitsch	2	Caterpillar
#28	Austin Schneider	2	Crystaphase Products
#29	Brian Slattery	2	Parker-Hannifin
#30	Christoph Stoenner	2	Hydac Filtertechnik Gmbh
#31	Chang-Chun TSAI	2	Eaton Intelligent Power Limited
#32	Chunnan Wu	2	Sumitomo Heavy Industries
#33	Daniel Theobald	2	Vecna Robotics
#34	Elena Lucchi	2	Faist Componenti S.P.A.
#35	Gregor J. Brown	2	Cameron International
#36	Hayato Tsutsui	2	Showa
#37	Hao Zhang	2	Parker-Hannifin
#38	Hirokazu Ito	2	Kubota
#39	Hideyasu Muraoka	2	Kawasaki
#40	Hideaki Yokota	2	Kosmek
#41	James E. Cooper	2	Spx Flow
#42	Jeff Cullman	2	Parker-Hannifin
#43	Jeremy M. Henck	2	Tk Holdings
#44	John N. Glover	2	Crystaphase Products
#45	Jürgen Ryba	2	Fte Automotive Gmbh
#46	Keitaro Yonezawa	2	Kosmek
#47	Larry M. Wilmot	2	Tk Holdings
#48	Marcus Hettiger	2	John Deere
#49	Nobuyuki Kobayashi	2	Toyota
#50	Peter Ham	2	Crystaphase Products
#51	Raymond Collett	2	Parker-Hannifin
#52	Rachid Hammoud	2	Joyson Safety Systems Acquisition
#53	Robert Kyle Schmidt	2	Safran Landing Systems Canada
#54	Sascha Alexander Biwersi	2	Hydac Systems & Services Gmbh
#55	Seiji Hijikata	2	Hitachi Construction Machinery Co.
#56	Shinji Nishikawa	2	Hitachi Construction Machinery Co.
#57	Stefano Benicchi	2	Faist Componenti S.P.A.
#58	Takaaki Izuka	2	Kobelco Construction Machinery Co.
#59	Takayuki Ogawa	2	Kyb
#60	Takatoshi Ooki	2	Hitachi Construction Machinery Co.
#61	Takeshi Terao	2	Kyb
#62	Toshifumi Yasuda	2	Kanzaki Kokyukoki Mfg. Co.
#63	Weijiang Chen	2	Spx Flow
#64	Youji Takakuwa	2	Smc
#65	Zachary John Jackowski	2	Boston Dynamics
#66	Ryan P. Dermawan	1	Rockwell Collins
#67	Mark MacIlvane	1	—
#68	Martin Koschel	1	Rockwell Collins
#69	Aaron Glafenhein	1	Technetics Group
#70	Aaron Hertzel Jagoda	1	Eaton
#71	Aaron Kelly Krahn	1	Eaton
#72	Adriano Nunes Garcia	1	—
#73	Adam Stokes	1	Harvard University
#74	Akihiro Ima	1	Kanzaki Kokyukoki Mfg. Co.
#75	Akio Matsuura	1	Kyb
#76	Akira Nakayama	1	Oki Semiconductor Co.
#77	Alain Tierry Chamaken Kamde	1	Zf Friedrichshafen Ag
#78	Alistair K. Chan	1	Intellectual Ventures
#79	Alexander Dreher	1	Schaeffler
#80	Aleksandar Egelja	1	Caterpillar
#81	Alejandro Ignacio Baez Guada	1	Dwyer Instruments
#82	Alex D. Hollanshead	1	—
#83	Alfredo Maglione	1	—
#84	Alexander Mann	1	Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg
#85	Alexander McAuley	1	NVIDIA
#86	Alexander Schärfl	1	Magna Steyr Fahrzeugtechnik
#87	Alexander Vargas	1	Festo Ag & Co. Kg
#88	Andrew J. Archer	1	—
#89	Ankur Ganguli	1	Eaton
#90	Andreas Goedecke	1	Siemens Aktiengesellschaft
#91	Ann M. Lazare	1	John Deere
#92	Anthony Mann	1	Lockheed Martin
#93	Andrew Michael Nelson	1	GE
#94	Andy Patterson	1	Proserv Operations
#95	Andreas Ploeckinger	1	Robert Bosch Gmbh
#96	Andre Seidenschwann	1	Eco Holding 1 Gmbh
#97	Andreas Ungerer	1	Buerkert Werke Gmbh & Co. Kg
#98	Andrea Vacca	1	Cnh Industrial America
#99	Andrew M. Wright	1	Engineering Matters
#100	Armin Conrad	1	Pfeiffer Vacuum

Top Companies

Rank ↑	Company ↕	Patents ↕
1	Caterpillar	10
2	Kyb	9
3	Parker-Hannifin	9
#4	Hitachi Construction Machinery Co.	7
#5	Smc	7
#6	John Deere	7
#7	Hydac Technology Gmbh	6
#8	Volvo Construction Equipment Ab	6
#9	Eaton Intelligent Power Limited	5
#10	Danfoss Power Solutions Aps	4
#11	Hamilton Sundstrand	4
#12	Kawasaki	4
#13	Kobelco Construction Machinery Co.	4
#14	Lockheed Martin	4
#15	Festo Ag & Co. Kg	3
#16	Hitachi Construction Machinery Tierra Co.	3
#17	Kyb-Ys Co.	3
#18	Robert Bosch Gmbh	3
#19	The Boeing	3
#20	Unknown	3
#21	GE	3
#22	Toyota	3
#23	Abb Schweiz Ag	2
#24	Borgwarner	2
#25	Boston Dynamics	2
#26	Cameron International	2
#27	Crystaphase Products	2
#28	Doosan Infracore Co.	2
#29	Eaton	2
#30	Faist Componenti S.P.A.	2
#31	Fte Automotive Gmbh	2
#32	Fujikura Rubber	2
#33	Hilite Germany Gmbh	2
#34	Husco International	2
#35	Hydac Filtertechnik Gmbh	2
#36	Illinois Tool Works	2
#37	Kanzaki Kokyukoki Mfg. Co.	2
#38	Kosmek	2
#39	Harvard University	2
#40	Safran Landing Systems Uk	2
#41	Showa	2
#42	Spx Flow	2
#43	Sumitomo Construction Machinery Co.	2
#44	Sumitomo Heavy Industries	2
#45	Tk Holdings	2
#46	Vanderbilt University	2
#47	Vecna Technologies	2
#48	Weber-Hydraulik Gmbh	2
#49	AMD	1
#50	Applied Materials	1
#51	Agency For Defense Development	1
#52	Airbus Operations Limited	1
#53	Aisin Aw Co.	1
#54	American Axle & Manufacturing	1
#55	Arianegroup Sas	1
#56	Autoliv Nissin Brake Systems Japan Co.	1
#57	Aventics Gmbh	1
#58	Badger Meter	1
#59	Bastion Technologies	1
#60	Bell Helicopter Textron	1
#61	Bürkert Werke Gmbh	1
#62	Buemach Engineering International B.V.	1
#63	Butler Engineering And Marketing S.P.A.	1
#64	Byd Company Limited	1
#65	Cascade	1
#66	Clark Equipment	1
#67	Claverham Limited	1
#68	Continental Teves Ag & Co. Ohg	1
#69	Control Products	1
#70	Daicel	1
#71	Dwyer Instruments	1
#72	Eagle Industry Co.	1
#73	Element Six Limited	1
#74	Intellectual Ventures	1
#75	Emerson Process Management Regulator Technologies	1
#76	Fisher Controls International	1
#77	Flexcon Industries	1
#78	Florida State University	1
#79	Fmc	1
#80	Fujikin Incorporated	1
#81	Fu Tai Hua Industry (Shenzhen) Co.	1
#82	Gea Tuchenhagen Gmbh	1
#83	Goodrich	1
#84	Gustav Magenwirth Gmbh &	1
#85	Hallco Industries	1
#86	Harris	1
#87	Foxconn	1
#88	Howa Machinery	1
#89	Hydac Fluidtechnik Gmbh	1
#90	Hydac System Gmbh	1
#91	Hydril Usa Distribution	1
#92	Hyster-Yale Group	1
#93	Indian Oil Corporation Limited	1
#94	Institute Of Metal Research Chinese Academy Of Sciences	1
#95	John Bean Technologies	1
#96	Joy Global Surface Mining	1
#97	Joyson Safety Systems Acquisition	1
#98	J. Wagner Gmbh	1
#99	Toyota Industries	1
#100	Kinshofer Gmbh	1

Fluid systems and actuators Patent Leaders in 2018 2018

Patents per Year

Top Inventors

Top Companies