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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Fluid pumps

Fluid pumps Patent Leaders in 2019 2019

Primary CPC class F04 · 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 1,903 patents in 2019.peak 1,9031996: 734 patents19961997: 633 patents1998: 725 patents1999: 734 patents19992000: 1,125 patents2001: 1,188 patents2002: 1,162 patents20022003: 1,169 patents2004: 940 patents2005: 728 patents20052006: 831 patents2007: 717 patents2008: 684 patents20082009: 699 patents2010: 804 patents2011: 903 patents20112012: 1,363 patents2013: 1,203 patents2014: 1,230 patents20142015: 1,296 patents2016: 1,267 patents2017: 1,564 patents20172018: 1,580 patents2019: 1,903 patents2020: 1,831 patents20202021: 1,678 patents2022: 1,787 patents2023: 1,577 patents20232024: 1,792 patents2025: 1,624 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Yung-Lung Han 20 Microjet Technology Co.
2 Chi-Feng Huang 19 Microjet Technology Co.
3 Jia-Yu Liao 16 Microjet Technology Co.
#4 Shih-Chang Chen 16 Microjet Technology Co.
#5 Che-Wei Huang 10 Microjet Technology Co.
#6 Edward J. Gallagher 10 RTX (Raytheon)
#7 Shou-Hung Chen 10 Microjet Technology Co.
#8 Wei-Ming Lee 10 Microjet Technology Co.
#9 Ying-Lun Chang 10 Microjet Technology Co.
#10 Hung-Hsin Liao 9 Microjet Technology Co.
#11 Jheng-Wei Chen 9 Microjet Technology Co.
#12 Chia-Hao Chang 8 TSMC
#13 Chao-Chih Chen 8 Microjet Technology Co.
#14 Robert C. Stover 8 Emerson Climate Technologies
#15 Bor-Haw Chang 7 Asia Vital Components Co.
#16 David E. Fletcher 7 Dayco Ip Holdings
#17 James H. Miller 7 Dayco Ip Holdings
#18 Jonathan Acker 7 —
#19 Keith Hampton 7 Dayco Ip Holdings
#20 Brian M. Graichen 6 Dayco Ip Holdings
#21 Chung-Shu Wang 6 Asia Vital Components Co.
#22 Clark J. Shafer 6 Peopleflo Manufacturing
#23 Darryl Whitlow 6 RTX (Raytheon)
#24 Dietmar Erich Bernhard Lilie 6 Empresa Brasileira De Compressores S.A.—Embraco
#25 Jacob A. Bayyouk 6 S.P.M. Flow Control
#26 Junfeng Bao 6 Zhejiang Sanhua Automotive Components Co.
#27 William R. Blankemeier 6 Peopleflo Manufacturing
#28 Alan R. Stockner 5 Caterpillar
#29 Barry M. Ford 5 RTX (Raytheon)
#30 Byron R. Monzon 5 RTX (Raytheon)
#31 Gabriel L. Suciu 5 RTX (Raytheon)
#32 Gregory William Hahn 5 Haier Us Appliance Solutions
#33 Jan Hodgson 5 Emitec Gesellschaft Fuer Emissionstechnologie Mbh
#34 Jesse M. Chandler 5 RTX (Raytheon)
#35 Junchao Zhang 5 Zhejiang Sanhua Automotive Components Co.
#36 Kevin Le 5 Luraco
#37 Kirill M. Ignatiev 5 Emerson Climate Technologies
#38 Lars Hoffmann Berthelsen 5 Danfoss Low Power Drives A/S
#39 Linda S. Li 5 RTX (Raytheon)
#40 Ling Liu 5 RTX (Raytheon)
#41 Min Li 5 Fu Zhun Precision Industry (Shen Zhen) Co.
#42 Michael M. Perevozchikov 5 Emerson Climate Technologies
#43 Nathan Ottow 5 —
#44 Paul G. Deivernois 5 GE
#45 Peter Townsend 5 RTX (Raytheon)
#46 Roy J. Doepker 5 Emerson Climate Technologies
#47 Robert W. Stiles, Jr. 5 Pentair Water Pool And Spa
#48 Takashi Kabasawa 5 Edwards Japan Limited
#49 Thanh Le 5 Luraco
#50 Tibor Urac 5 RTX (Raytheon)
#51 Toshio Nishikawa 5 Murata Manufacturing Co.
#52 Yoshiyuki Sakaguchi 5 Edwards Japan Limited
#53 Yu-Tzu Chen 5 Asia Vital Components Co.
#54 Aaron Michael Brown 4 Amazon
#55 Aidan Marcus Tout 4 Kci Licensing
#56 Akihiro Nakaniwa 4 Mitsubishi Heavy Industries Compressor
#57 Andrew Breeze-Stringfellow 4 GE
#58 Andrew Niedert 4 Ford
#59 Aron M. Meyer 4 —
#60 Atsuhiko Hirata 4 Murata Manufacturing Co.
#61 Byeongchul Lee 4 LG
#62 Christopher Brian Locke 4 Kci Licensing
#63 Charles H. Roche 4 RTX (Raytheon)
#64 Darryl A. Colson 4 Hamilton Sundstrand
#65 Daniel J. Hruby 4 Pentair Water Pool And Spa
#66 Darrin Niemiec 4 Wlc Enterprises
#67 Darren Reukers 4 Quantum Servo Pumping Technologies Pty
#68 David Tanner 4 —
#69 Eiji Uetsuji 4 Heishin
#70 Florin Lungeanu 4 Pentair Water Pool And Spa
#71 Georges Maguin 4 Continental Automotive Gmbh
#72 Hiroshi Suzuki 4 Hitachi
#73 Honggyun Jin 4 LG
#74 Ignatius Theratil 4 RTX (Raytheon)
#75 Jeremy Grant Martin 4 Energy Recovery
#76 Joseph Wilson Latham 4 Haier Us Appliance Solutions
#77 Joseph C. Straccia 4 RTX (Raytheon)
#78 Kate Hudon 4 RTX (Raytheon)
#79 Kang Xu 4 Gree Electric Appliances, Inc. Of Zhuhai
#80 Kok Ang Chong 4 Johnson Electric International Ag
#81 Leonardo Tognarelli 4 Nuovo Pignone Spa
#82 Lisa I. Brilliant 4 RTX (Raytheon)
#83 Makoto Kurihara 4 Mitsubishi Electric
#84 Mark A. Stephens 4 RTX (Raytheon)
#85 Michael James Dutka 4 GE
#86 Michael Lee McIntyre 4 Haier Us Appliance Solutions
#87 Michael Nesteroff 4 —
#88 Moola Mallikarjuna Reddy 4 Johnson Electric International Ag
#89 Nate Cooper 4 —
#90 Naoya Morozumi 4 Fujitsu General Limited
#91 Noriaki Sakakihara 4 Heishin
#92 Patrick Drechsel 4 Ksb Aktiengesellschaft
#93 Peter Westermann-Rasmussen 4 Pentair Water Pool And Spa
#94 Qiaoming Yang 4 Gree Electric Appliances, Inc. Of Zhuhai
#95 Raymond B. Avedon 4 Airius Ip Holdings
#96 Rex Bravo 4 Dayco Ip Holdings
#97 Riccardo Bagagli 4 Nuovo Pignone Srl
#98 Rihua Li 4 Gree Electric Appliances, Inc. Of Zhuhai
#99 Ronald B. Robol 4 Pentair Water Pool And Spa
#100 Sangwoo Joo 4 LG

Top Companies

Rank ↑ Company ↕ Patents ↕
1 RTX (Raytheon) 86
2 GE 73
3 LG 37
#4 Rolls-Royce Plc 30
#5 Robert Bosch Gmbh 27
#6 Emerson Climate Technologies 26
#7 Mitsubishi Electric 24
#8 Microjet Technology Co. 22
#9 Denso 21
#10 Borgwarner 20
#11 Hamilton Sundstrand 20
#12 Safran Aircraft Engines 20
#13 Caterpillar 20
#14 Panasonic 20
#15 Mitsubishi Heavy Industries Compressor 18
#16 Baker Hughes Holdings 13
#17 Carrier 13
#18 Daikin Industries 13
#19 Edwards Japan Limited 13
#20 Toyota Industries 13
#21 Nidec 13
#22 Shimadzu 13
#23 Asia Vital Components Co. 12
#24 Continental Automotive Gmbh 12
#25 Eaton Intelligent Power Limited 11
#26 Grundfos Holding A/S 11
#27 Nuovo Pignone Srl 11
#28 Siemens Aktiengesellschaft 11
#29 Graco Minnesota 10
#30 Johnson Electric International Ag 10
#31 Schlumberger Technology 10
#32 Danfoss A/S 9
#33 Dyson Technology Limited 9
#34 Garrett Transportation I 9
#35 Ihi 9
#36 Ingersoll-Rand 9
#37 Kobe Steel 9
#38 Ksb Aktiengesellschaft 9
#39 S.P.M. Flow Control 9
#40 Sulzer Management Ag 9
#41 IBM 9
#42 Samsung 9
#43 Delta Electronics 8
#44 Haier Us Appliance Solutions 8
#45 Halliburton Energy Services 8
#46 Hanon Systems 8
#47 Mtu Aero Engines Ag 8
#48 Murata Manufacturing Co. 8
#49 Trane International 8
#50 Dayco Ip Holdings 7
#51 Ecp Entwicklungsgesellschaft Mbh 7
#52 Gree Electric Appliances, Inc. Of Zhuhai 7
#53 Hitachi Industrial Equipment Systems Co. 7
#54 Regal Beloit America 7
#55 Rolls-Royce Deutschland 7
#56 Rolls-Royce North America 7
#57 Toyota 7
#58 Atlas Copco Airpower, Naamloze Vennootschap 6
#59 Cooler Master Co. 6
#60 Edwards Limited 6
#61 Flow Control 6
#62 Fujitsu General Limited 6
#63 Hyundai Motor 6
#64 Mahle International Gmbh 6
#65 Minebea Mitsumi 6
#66 Mitsubishi Heavy Industries Thermal Systems 6
#67 Pentair Water Pool And Spa 6
#68 Whirlpool 6
#69 Ford 6
#70 General Motors 6
#71 Embraco Industria De Compressores E Solucoes Em Refrigeracao Ltda. 5
#72 Energy Recovery 5
#73 Guangdong Meizhi Compressor Co. 5
#74 Heishin 5
#75 Hitachi Automotive Systems 5
#76 Luraco 5
#77 Mitsubishi Heavy Industries Engine & Turbocharger 5
#78 Pierburg Pump Technology Gmbh 5
#79 Safran Aero Boosters 5
#80 Showa 5
#81 Sumitomo Heavy Industries 5
#82 Agilent Technologies 4
#83 Airius Ip Holdings 4
#84 Beto Engineering & Marketing Co. 4
#85 Bühler Motor Gmbh 4
#86 Circor Pumps North America 4
#87 Danfoss Power Electronics A/S 4
#88 Dresser-Rand 4
#89 Eagle Industry Co. 4
#90 Jtekt 4
#91 Kci Licensing 4
#92 Leybold Gmbh 4
#93 Magna Powertrain Bad Homburg Gmbh 4
#94 Sanofi-Aventis 4
#95 Sanyo Denki Co. 4
#96 Unknown 4
#97 Weatherford Technology Holdings 4
#98 Wlc Enterprises 4
#99 Zhejiang Sanhua Automotive Components Co. 4
#100 Honeywell 4