Fluid systems and actuators Patent Leaders 2019

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	Meng Wang	5	Eaton Intelligent Power Limited
2	Shinya Imura	5	Hitachi Construction Machinery Co.
3	Akihiro Kondo	4	Kawasaki
#4	Kouji Ishikawa	4	Hitachi Construction Machinery Co.
#5	Michael Berne Rannow	4	Eaton Intelligent Power Limited
#6	Calin Raszga	3	John Deere
#7	George M. Whitesides	3	Harvard University
#8	Herbert Baltes	3	Hydac Technology Gmbh
#9	Hubert Schaber	3	Voith Patent Gmbh
#10	Peter Kloft	3	Hydac Technology Gmbh
#11	Seiji Hijikata	3	Hitachi Construction Machinery Co.
#12	Tatsuhiro Arikawa	3	Eagle Industry Co.
#13	Adam Stokes	2	Harvard University
#14	Akio Matsuura	2	Kyb
#15	Arne Waitschat	2	Hydac Technology Gmbh
#16	Bipin Kashid	2	Parker-Hannifin
#17	Brian Slattery	2	Parker-Hannifin
#18	Christopher J. Webber	2	Parker-Hannifin
#19	Daniel Fantinato	2	Special Springs S.R.L.
#20	Ettore Cosoli	2	Dana Italia Spa
#21	Frank Thielecke	2	Hydac Technology Gmbh
#22	Frank Valentin-Rumpel	2	Samson Aktiengesellschaft
#23	Giulio Ornella	2	Dana Italia S.R.L.
#24	Harry Stoesser	2	Buerkert Werke Gmbh & Co. Kg
#25	Heiko Engler	2	Buerkert Werke Gmbh
#26	Hideki Nakajima	2	Caterpillar
#27	Jason Stoller	2	Precision Planting
#28	Jan Veit	2	Halliburton Energy Services
#29	Jiao Zhang	2	Caterpillar
#30	John Aaron Saunders	2	Boston Dynamics
#31	Katsuhiko Asai	2	Panasonic
#32	Kazuo Inoue	2	Honda Motor Co.
#33	Kent Levy	2	Precision Planting
#34	Kristen D. Cadman	2	John Deere
#35	Larry M. Wilmot	2	Tk Holdings
#36	Lorenzo Serrao	2	Dana Italia S.R.L.
#37	Massimo Fiorese	2	Special Springs S.R.L.
#38	Makoto Ito	2	Yamaha Motor
#39	Matsuyoshi Yamashita	2	Eagle Industry Co.
#40	Paul Wayne Schmidt	2	Vortex Pipe Systems
#41	Pengfei Ma	2	Caterpillar
#42	Rachid Hammoud	2	Joyson Safety Systems Acquisition
#43	Reinhardt Thoms	2	Sauer-Danfoss
#44	Richard A. Carpenter	2	Caterpillar
#45	Robert Marinus Behr	2	Hydac Technology Gmbh
#46	Roberto RECH	2	Special Springs S.R.L.
#47	Ryota Kojima	2	Kosmek
#48	Shinji Nishikawa	2	Hitachi Construction Machinery Co.
#49	Shuhei Orimoto	2	Caterpillar
#50	Shunsuke Yoshida	2	Honda Motor Co.
#51	Steven D. Potter	2	Boston Dynamics
#52	Takayuki Nagata	2	Hosiden
#53	Todd Swanson	2	Precision Planting
#54	Tsutomu Udagawa	2	Hitachi Construction Machinery Co.
#55	Volker Gliniorz	2	Liebherr-Mining Equipment Colmar Sas
#56	Yasutaka Tsuruga	2	Hitachi Construction Machinery Co.
#57	Zenghai Shan	2	Xuzhou Heavy Machinery Co.
#58	Aaron Beck	1	Altec Industries
#59	Aaron R. Kenkel	1	John Deere
#60	Aaron D. Mazzeo	1	Harvard University
#61	Adrian Edwards	1	Airbus Operations Limited
#62	Adam Faass	1	Hamilton Sundstrand
#63	Akitoshi Iwata	1	Toyota
#64	Akihito Nibe	1	Toyota Industries
#65	Alain Briancon Marjollet	1	Safran Landing Systems
#66	Alfredo Marco Cucciniello	1	Watts Regulator
#67	Alexander Dümler	1	Eckerle Technologies Gmbh
#68	Aleksandar Egelja	1	Caterpillar
#69	Ali Ibrahim	1	AMD
#70	Aleem Junaidi	1	Caterpillar
#71	Alexander Koertgen	1	Robert Bosch Gmbh
#72	Alex Nemiroski	1	Harvard University
#73	Alexandre Orth	1	Robert Bosch Gmbh
#74	Albert Rankel	1	Tox Pressotechnik Gmbh & Co. Kg
#75	Alvin Stanley Rost	1	Dana Limited
#76	Alexander Igorevich Sergeev	1	Carbon Autonomous Robotic Systems
#77	Alagarsamy Sundararajan	1	Sri Energy
#78	Alexander Patrick Theodossiou	1	Energy Recovery
#79	Amy K. Jones	1	John Deere
#80	Anuja S. Bengali	1	Westport Power
#81	Ante Bozic	1	Poclain Hydraulics Industrie
#82	Andreas Brockmann	1	Agco
#83	Andrew Justin DeRung	1	Eaton
#84	Andreas Dickhoff	1	Nexpress Solutions
#85	Andreas Dreiss	1	Flowserve Management
#86	Andrew N. Edler	1	Eaton
#87	Andreas Ekvall	1	Volvo Construction Equipment Ab
#88	Andreas Gödecke	1	Siemens Aktiengesellschaft
#89	Andreas Hoogeveen	1	Driessen Aerospace Group N.V.
#90	Andrew Kehlenbeck	1	Aurora Flight Sciences
#91	Ante Kurtovic	1	Airbus Defence And Space Gmbh
#92	Andreas Leinung	1	Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh
#93	Andrew Michael Nelson	1	GE
#94	Anselmo Nicolini	1	—
#95	Andrew Potts	1	—
#96	Andrew Schevets	1	Flowserve Management
#97	Andreas Schmid	1	Applied Materials
#98	Anthony Raymond Arthur Taupeau	1	Bontaz Centre R & D
#99	Andrew S. Utada	1	Harvard University
#100	Anthony Valenti	1	RTX (Raytheon)

Top Companies

Rank ↑	Company ↕	Patents ↕
1	Caterpillar	16
2	Smc	9
3	Eaton Intelligent Power Limited	7
#4	John Deere	7
#5	Hitachi Construction Machinery Co.	6
#6	Hydac Technology Gmbh	6
#7	Parker-Hannifin	6
#8	Eagle Industry Co.	5
#9	Kyb	5
#10	The Boeing	5
#11	Danfoss Power Solutions Gmbh & Co. Ohg	4
#12	Hamilton Sundstrand	4
#13	Kawasaki	4
#14	Harvard University	4
#15	Woodward	4
#16	RTX (Raytheon)	4
#17	Honda Motor Co.	3
#18	Komatsu	3
#19	Kubota	3
#20	Precision Planting	3
#21	Robert Bosch Gmbh	3
#22	Schlumberger Technology	3
#23	Voith Patent Gmbh	3
#24	Agco	2
#25	Airbus Operations Limited	2
#26	Boston Dynamics	2
#27	Cnh Industrial America	2
#28	Dana Italia Spa	2
#29	Dresser Industries	2
#30	Goodrich Actuation Systems Sas	2
#31	Hitachi Construction Machinery Tierra Co.	2
#32	Hydac Fluidtechnik Gmbh	2
#33	Joyson Safety Systems Acquisition	2
#34	Kobe Steel	2
#35	Koganei	2
#36	Kosmek	2
#37	Liebherr-Mining Equipment Colmar Sas	2
#38	Putzmeister Engineering Gmbh	2
#39	Samson Aktiengesellschaft	2
#40	Schaeffler	2
#41	Showa	2
#42	Special Springs S.R.L.	2
#43	Sun Hydraulics	2
#44	Stanford University	2
#45	Tkr Spezialwerkzeuge Gmbh	2
#46	Unknown	2
#47	Volvo Construction Equipment Ab	2
#48	Xuzhou Heavy Machinery Co.	2
#49	Meta	2
#50	Panasonic	2
#51	Aalto University	1
#52	Actuant	1
#53	Aerocontrolex Group	1
#54	Airbus Defence And Space Gmbh	1
#55	Aladdin Engineering And Manufacturing	1
#56	Altec Industries	1
#57	Audi Ag	1
#58	Aurora Flight Sciences	1
#59	Aventics Gmbh	1
#60	B/E Aerospace	1
#61	Beihang University	1
#62	Bontaz Centre R & D	1
#63	Borgwarner	1
#64	Bray International	1
#65	Buerkert Werke Gmbh & Co. Kg	1
#66	Byd Company Limited	1
#67	Canada Pipeline Accessories Company	1
#68	China Pneumatic	1
#69	Claverham Limited	1
#70	Clearmotion	1
#71	Confluent Surgical	1
#72	Cornell University	1
#73	Crrc Qingdao Sifang Rolling Stock Research Institute Co.	1
#74	Dana Belgium N.V.	1
#75	Danfoss A/S	1
#76	Danfoss Power Solutions	1
#77	Danfoss Power Solutions Aps	1
#78	Denso	1
#79	Doosan Infracore Co.	1
#80	Drexel University	1
#81	Driessen Aerospace Group N.V.	1
#82	Dr. Ing. H.C. F. Porsche Ag	1
#83	Eaton	1
#84	Eckerle Technologies Gmbh	1
#85	Ekso Bionics Holdings	1
#86	Endress+Hauser Flowtec Ag	1
#87	Energy Recovery	1
#88	Faster S.P.A.	1
#89	Festo Ag & Co. Kg	1
#90	Firestone Industrial Products Company	1
#91	Fisher Controls International	1
#92	Flextronics Ap	1
#93	Florida State University	1
#94	Flowserve Management	1
#95	Fmc	1
#96	Fte Automotive Gmbh	1
#97	General Equipment And Manufacturing Company	1
#98	Goodrich	1
#99	Goodrich Aerospace Services Private Limited	1
#100	Greenlee Tools	1

Fluid systems and actuators Patent Leaders in 2019 2019

Patents per Year

Top Inventors

Top Companies