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

Fluid pumps Patent Leaders in 2020 2020

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 Chi-Feng Huang 25 Microjet Technology Co.
2 Yung-Lung Han 24 Microjet Technology Co.
3 Shih-Chang Chen 21 Microjet Technology Co.
#4 Hao-Jan Mou 15 Microjet Technology Co.
#5 Jia-Yu Liao 14 Microjet Technology Co.
#6 Byeongchul Lee 11 LG
#7 Che-Wei Huang 9 Microjet Technology Co.
#8 Hung-Hsin Liao 9 Microjet Technology Co.
#9 Wei-Ming Lee 9 Microjet Technology Co.
#10 Alex Horng 8 Sunonwealth Electric Machine Industry Co.
#11 Chang-Yen Tsai 8 Microjet Technology Co.
#12 Robert C. Stover 8 Emerson Climate Technologies
#13 Shou-Hung Chen 8 Microjet Technology Co.
#14 Cheolhwan Kim 7 LG
#15 Jay H. Johnson 7 Trane International
#16 Kangwook Lee 7 LG
#17 Manuele Bigi 7 Nuovo Pignone Srl
#18 Matthew Turner 7 Equifax
#19 Toshio Nishikawa 7 Murata Manufacturing Co.
#20 Cheol Hwan Kim 6 LG
#21 Edward J. Gallagher 6 RTX (Raytheon)
#22 Ignatius Theratil 6 RTX (Raytheon)
#23 Joseph C. Straccia 6 RTX (Raytheon)
#24 Kirill M. Ignatiev 6 Emerson Climate Technologies
#25 Leonardo Tognarelli 6 Nuovo Pignone Spa
#26 Lisa I. Brilliant 6 RTX (Raytheon)
#27 Mark A. Stephens 6 RTX (Raytheon)
#28 Patrice Bonnefoi 6 Danfoss Commercial Compressors
#29 Stanley J. Balamucki 6 RTX (Raytheon)
#30 Tso-Kuo Yin 6 Sunonwealth Electric Machine Industry Co.
#31 Arnaud Daussin 5 Danfoss Commercial Compressors
#32 Barton John Kenyon 5 Resmed Pty
#33 Chulgi Roh 5 LG
#34 Daniel R. Crum 5 Trane International
#35 Daniel Gebert 5 Ebm-Papst Mulfingen
#36 Edward C. Rice 5 Rolls-Royce North America
#37 Hien Duong 5 RTX (Raytheon)
#38 Hyunsoo Kim 5 Samsung
#39 Jason Jon Kreidler 5 Regal Beloit America
#40 Kate Hudon 5 RTX (Raytheon)
#41 Krishna Prasad Balike 5 RTX (Raytheon)
#42 Michael M. Perevozchikov 5 Emerson Climate Technologies
#43 Nicholas Joseph Kray 5 GE
#44 Nick Nolcheff 5 Honeywell
#45 Nobuhira Tanaka 5 Murata Manufacturing Co.
#46 Peter Townsend 5 RTX (Raytheon)
#47 Shinichiro Tokuyama 5 Mitsubishi Heavy Industries Compressor
#48 Thomas Afshari 5 Project Phoenix
#49 Vishnu M. Sishtla 5 Carrier
#50 Ying-Lun Chang 5 Microjet Technology Co.
#51 Yves Rosson 5 Danfoss Commercial Compressors
#52 Akihiro Nakaniwa 4 Mitsubishi Heavy Industries Compressor
#53 Aldo Abate 4 RTX (Raytheon)
#54 Andrew A. Cheng 4 Fluid Handling
#55 Andreas Gross 4 Ziehl-Abegg Se
#56 Brian M. Graichen 4 Dayco Ip Holdings
#57 Chun-Lung Tseng 4 Epistar
#58 Chung-Shu Wang 4 Asia Vital Components Co.
#59 Chien-Tang WEN 4 Microjet Technology Co.
#60 Darryl A. Colson 4 Hamilton Sundstrand
#61 Daiji Furuhashi 4 Denso
#62 Dietmar Erich Bernhard Lilie 4 Empresa Brasileira De Compressores S.A.—Embraco
#63 Douglas D. Dierksmeier 4 Rolls-Royce North America
#64 Frank Georg Klaus 4 Gardner Denver Deutschland, Gmbh
#65 Frederick M. Schwarz 4 RTX (Raytheon)
#66 Gregory William Hahn 4 Haier Us Appliance Solutions
#67 Greg Heins 4 Regal Beloit Australia Pty
#68 Hideki Nagao 4 Mitsubishi Heavy Industries Compressor
#69 Hiromi Sakai 4 Denso
#70 Jheng-Wei Chen 4 Microjet Technology Co.
#71 Jin Baek Kim 4 Samsung
#72 Jinjiang Xiao 4 Saudi Arabian Oil
#73 Joseph Wilson Latham 4 Haier Us Appliance Solutions
#74 Jungsun Choi 4 LG
#75 Klaus Bredbeck 4 Wabco Gmbh
#76 Leon Hu 4 Ford
#77 Lothar Ernemann 4 Ziehl-Abegg Se
#78 Luciano Mei 4 Nuovo Pignone Spa
#79 Mark Thiele 4 Regal Beloit Australia Pty
#80 Masaaki Tonegawa 4 Tgk Co.
#81 Michael Lee McIntyre 4 Haier Us Appliance Solutions
#82 Michael A. Weisse 4 RTX (Raytheon)
#83 Oliver Haaf 4 Ebm-Papst Mulfingen
#84 Riccardo Bagagli 4 Nuovo Pignone Srl
#85 Ryosuke Fukuyama 4 Toyota Industries
#86 Ryan C. Humes 4 Rolls-Royce North America
#87 Sangmin Lee 4 Samsung
#88 Shuichi Yamashita 4 Dr. Ing. H.C. F. Porsche Ag
#89 Sunghyun Ki 4 LG
#90 Thomas Blad 4 Grundfos Holding A/S
#91 Yong Kyu Choi 4 LG
#92 Yongkyu Choi 4 LG
#93 Yusheng Hu 4 Gree Electric Appliances, Inc. Of Zhuhai
#94 Yuji Masuda 4 Kyocera
#95 Akira Inoue 3 Mitsubishi Electric
#96 Andries Jan F. Desiron 3 Atlas Copco Airpower, Naamloze Vennootschap
#97 Arnaldo RODRIGUES 3 Sulzer Management Ag
#98 Bhaskar Nanda Mondal 3 GE
#99 Bor-Haw Chang 3 Asia Vital Components Co.
#100 Brandon Wayne Miller 3 GE

Top Companies

Rank ↑ Company ↕ Patents ↕
1 RTX (Raytheon) 72
2 LG 55
3 GE 33
#4 Mitsubishi Heavy Industries Compressor 30
#5 Mitsubishi Electric 28
#6 Microjet Technology Co. 27
#7 Hamilton Sundstrand 23
#8 Nuovo Pignone Srl 20
#9 Denso 19
#10 Emerson Climate Technologies 19
#11 Nidec 17
#12 Safran Aircraft Engines 17
#13 Robert Bosch Gmbh 16
#14 Trane International 16
#15 Regal Beloit America 15
#16 Ebm-Papst Mulfingen 14
#17 Ingersoll-Rand Industrial U.S. 14
#18 Rolls-Royce Plc 14
#19 Shimadzu 14
#20 Panasonic 14
#21 Atlas Copco Airpower, Naamloze Vennootschap 13
#22 Delta Electronics 13
#23 Grundfos Holding A/S 13
#24 Carrier 12
#25 Ihi 12
#26 Sulzer Management Ag 12
#27 Samsung 12
#28 Daikin Industries 11
#29 Toyota Industries 11
#30 Honeywell 11
#31 Garrett Transportation I 10
#32 Edwards Limited 9
#33 Graco Minnesota 9
#34 Johnson Electric International Ag 9
#35 Nuovo Pignone Tecnologie S.R.L. 9
#36 Unknown 9
#37 Eaton Intelligent Power Limited 8
#38 Ebara 8
#39 Hanon Systems 8
#40 Kobe Steel 8
#41 Murata Manufacturing Co. 8
#42 Schlumberger Technology 8
#43 Sunonwealth Electric Machine Industry Co. 8
#44 Ford 8
#45 Asia Vital Components Co. 7
#46 Bitzer Kühlmaschinenbau Gmbh 7
#47 Borgwarner 7
#48 Danfoss A/S 7
#49 Ecp Entwicklungsgesellschaft Mbh 7
#50 Fluid Handling 7
#51 Showa 7
#52 Caterpillar 7
#53 Baker Hughes Holdings 6
#54 Dresser-Rand 6
#55 Embraco Industria De Compressores E Solucoes Em Refrigeracao Ltda. 6
#56 Haier Us Appliance Solutions 6
#57 Hitachi Industrial Equipment Systems Co. 6
#58 Hyundai Motor 6
#59 Mitsubishi Heavy Industries Engine & Turbocharger 6
#60 Rolls-Royce North America 6
#61 Siemens Aktiengesellschaft 6
#62 Cooler Master Co. 5
#63 Danfoss Commercial Compressors 5
#64 Deka Products Limited Parternship 5
#65 Dell Products 5
#66 Delphi Technologies Ip Limited 5
#67 Edwards Japan Limited 5
#68 Fujitsu General Limited 5
#69 Gardner Denver Deutschland, Gmbh 5
#70 Halliburton Energy Services 5
#71 Hitachi-Johnson Controls Air Conditioning 5
#72 Kia Motors 5
#73 Netzsch Pumpen & Systeme Gmbh 5
#74 Onesubsea Ip Uk Limited 5
#75 Pentair Flow Technologies 5
#76 Project Phoenix 5
#77 Regal Beloit Australia Pty 5
#78 Saudi Arabian Oil 5
#79 Ziehl-Abegg Se 5
#80 Toyota 5
#81 Aisin Seiki Kabushiki Kaisha 4
#82 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft 4
#83 Burckhardt Compression Ag 4
#84 Daikin Applied Americas 4
#85 Ebm-Papst St. Georgen 4
#86 Gree Green Refrigeration Technology Center Co., Ltd. Of Zhuhai 4
#87 Hitachi Automotive Systems 4
#88 Honda Motor Co. 4
#89 Hunter Fan 4
#90 Itt Manufacturing Enterprises 4
#91 Kawasaki 4
#92 Man Energy Solutions Se 4
#93 Mitsubishi Heavy Industries Thermal Systems 4
#94 Mtu Aero Engines Ag 4
#95 Resmed Motor Technologies 4
#96 Societe Des Produits Nestle S.A. 4
#97 Tc1 4
#98 Tgk Co. 4
#99 Wabco Gmbh 4
#100 Zhejiang Sanhua Automotive Components Co. 4