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

Fluid pumps Patent Leaders in 2022 2022

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 Keigo Shirafuji 19 Eagle Industry Co.
2 Kohei Fukudome 19 Eagle Industry Co.
3 Cheolhwan Kim 16 LG
#4 Daichi Kurihara 16 Eagle Industry Co.
#5 Masahiro Hayama 16 Eagle Industry Co.
#6 Takahiro Ejima 13 Eagle Industry Co.
#7 Wataru Takahashi 13 Canon
#8 Yoshihiro Ogawa 12 Canon
#9 Hao-Jan Mou 11 Microjet Technology Co.
#10 Chi-Feng Huang 10 Microjet Technology Co.
#11 Yung-Lung Han 10 Microjet Technology Co.
#12 Byeongchul Lee 9 LG
#13 Kangwook Lee 9 LG
#14 Kiwon Noh 8 LG
#15 Vishnu M. Sishtla 8 Carrier
#16 Agustin Chacon 7 Hunter Fan
#17 Christopher Todd Barnett 7 Kerr Machine
#18 Chang-Yen Tsai 7 Microjet Technology Co.
#19 Donn J. Brown 7 Halliburton Energy Services
#20 Kelcy Jake Foster 7 Kerr Machine
#21 Mark S. Nowell 7 Kerr Machine
#22 Michael M. Perevozchikov 7 Emerson Climate Technologies
#23 Nobuhira Tanaka 7 Murata Manufacturing Co.
#24 Phillip Santolucito 7 Hunter Fan
#25 Stanley V. Stephenson 7 Halliburton Energy Services
#26 Taekyoung Kim 7 LG
#27 Hirotaka Sawada 6 Fujitsu General Limited
#28 Jason David Smith 6 Vulcan Industrial Holdings
#29 Kazuya Funada 6 Fujitsu General Limited
#30 Kenichiro Iwakiri 6 Mitsubishi Heavy Industries Engine & Turbocharger
#31 Ming-Che Lee 6 Asia Vital Components Co.
#32 Micheal Cole Thomas 6 Kerr Machine
#33 Seheon Choi 6 LG
#34 Andrew J. Kopel 5 Graco Minnesota
#35 Bobby Neal Norwood 5 Hunter Fan
#36 Cheng-Wen Hsieh 5 Acer Incorporated
#37 Christopher A. Lins 5 Graco Minnesota
#38 Masahiko Takano 5 Hitachi Industrial Equipment Systems Co.
#39 Nayoung JEON 5 LG
#40 Scott Wu 5 Disney
#41 Seungmock Lee 5 LG
#42 Seokhwan Moon 5 LG
#43 Shuiyong Huang 5 Bestway Inflatables & Material
#44 Steve J. Wrobel 5 Graco Minnesota
#45 Sung-Wei Sun 5 Asia Vital Components Co.
#46 Takashi Kabasawa 5 Edwards Japan Limited
#47 Wen-Neng Liao 5 Acer Incorporated
#48 Yih-Wei Tzeng 5 Stokes Technology Development
#49 Yoshiyuki Nakane 5 Toyota Industries
#50 Akira Inoue 4 Mitsubishi Electric
#51 Brandon Scott Ayres 4 Kerr Machine
#52 Byungjik KIM 4 LG
#53 Charles William Botkin 4 Hunter Fan
#54 Chidirim Enoch Ejim 4 Saudi Arabian Oil
#55 Chun-Yi Kuo 4 Microjet Technology Co.
#56 Chi Myeong Moon 4 Hanon Systems
#57 Chance Ray Mullins 4 Vulcan Industrial Holdings
#58 Chun-Chieh Wang 4 TSMC
#59 Cong Cao 4 Gree Electric Appliances, Inc. Of Zhuhai
#60 Craig M. Beers 4 Hamilton Sundstrand
#61 Donghan Kim 4 Samsung
#62 Frieder LOERCHER 4 Ziehl-Abegg Se
#63 Guy J. Lapointe 4 Kerr Machine
#64 Hien Duong 4 RTX (Raytheon)
#65 Hiroki Kuratani 4 Nidec Sankyo
#66 Hiroyuki Miyata 4 Mitsubishi Heavy Industries Compressor
#67 Jacob A. Bayyouk 4 S.P.M. Flow Control
#68 Jingyu Lee 4 LG
#69 Joseph A. Beisel 4 Halliburton Energy Services
#70 Joseph A. Henry 4 Regal Beloit America
#71 Joonhong Park 4 LG
#72 Joshua Wayne Webster 4 Halliburton Energy Services
#73 Jungsun Choi 4 LG
#74 Justin Lee Hurst 4 Halliburton Energy Services
#75 Kweon Soo Lim 4 Hanon Systems
#76 Kyle Matthew Ellisor 4 Vulcan Industrial Holdings
#77 Liu Xiang 4 Green Refrigeration Equipment Engineering Research Center Of Zhuhai Gree Co.
#78 Masahiro Kobayashi 4 Canon
#79 Michael Eugene May 4 Kerr Machine
#80 Naho ADACHI 4 Mitsubishi Electric
#81 Nobuhito Oka 4 Mitsubishi Heavy Industries Engine & Turbocharger
#82 Oliver Haaf 4 Ebm-Papst Mulfingen
#83 Ouxiang Yang 4 Green Refrigeration Equipment Engineering Research Center Of Zhuhai Gree Co.
#84 Peizhen Que 4 Green Refrigeration Equipment Engineering Research Center Of Zhuhai Gree Co.
#85 Richard A. Oleson 4 Delta T
#86 Rod Shampine 4 Schlumberger Technology
#87 Ryosuke Fukuyama 4 Toyota Industries
#88 Ryo Umeyama 4 Toyota Industries
#89 Satoru Mitsuda 4 Toyota Industries
#90 Sahand Pirouzpanah 4 Regal Beloit America
#91 Seokho Choi 4 LG
#92 Shih-Chang Chen 4 Microjet Technology Co.
#93 Shuzo Oda 4 Denso
#94 Sunggi KIM 4 LG
#95 Takuro Yamashita 4 Toyota Industries
#96 Thomas Blad 4 Grundfos Holding A/S
#97 Tianyi Zhang 4 Gree Electric Appliances, Inc. Of Zhuhai
#98 Wanbin Qiu 4 Bestway Inflatables & Material
#99 Wen-Hao Liu 4 Asia Vital Components Co.
#100 Wesley John Nowitzki 4 Halliburton Energy Services

Top Companies

Rank ↑ Company ↕ Patents ↕
1 LG 95
2 RTX (Raytheon) 32
3 Halliburton Energy Services 30
#4 Mitsubishi Electric 26
#5 Daikin Industries 23
#6 Mitsubishi Heavy Industries Compressor 21
#7 Nidec 21
#8 Carrier 20
#9 Eagle Industry Co. 19
#10 Edwards Japan Limited 19
#11 Toyota Industries 19
#12 Gree Electric Appliances, Inc. Of Zhuhai 18
#13 Graco Minnesota 17
#14 Hunter Fan 15
#15 Robert Bosch Gmbh 15
#16 Trane International 15
#17 Asia Vital Components Co. 14
#18 Emerson Climate Technologies 14
#19 Hamilton Sundstrand 14
#20 Murata Manufacturing Co. 14
#21 Hanon Systems 13
#22 Hitachi Industrial Equipment Systems Co. 13
#23 Regal Beloit America 13
#24 Fujitsu General Limited 12
#25 GE 12
#26 Denso 11
#27 Edwards Limited 11
#28 Microjet Technology Co. 11
#29 Shimadzu 11
#30 Atlas Copco Airpower, Naamloze Vennootschap 10
#31 Gree Electric Appliances (Wuhan) Co. 10
#32 Grundfos Holding A/S 10
#33 Ihi 10
#34 Unknown 10
#35 Delta Electronics 9
#36 Hitachi Astemo 9
#37 Mitsubishi Heavy Industries Engine & Turbocharger 9
#38 Baker Hughes Oilfield Operations 8
#39 Ebm-Papst Mulfingen 8
#40 Ebm-Papst St. Georgen 8
#41 Hanon Systems Efp Deutschland Gmbh 8
#42 Johnson Controls Tyco Ip Holdings Llp 8
#43 Mitsubishi Heavy Industries Thermal Systems 8
#44 Saudi Arabian Oil 8
#45 Honeywell 8
#46 Samsung 8
#47 Borgwarner 7
#48 Cooler Master Co. 7
#49 Delta T 7
#50 Ecp Entwicklungsgesellschaft Mbh 7
#51 Kerr Machine 7
#52 Pierburg Pump Technology Gmbh 7
#53 Schlumberger Technology 7
#54 Schwäbische Hüttenwerke Automotive Gmbh 7
#55 Spm Oil & Gas 7
#56 Sulzer Management Ag 7
#57 Vulcan Industrial Holdings 7
#58 Panasonic 7
#59 Bitzer Kühlmaschinenbau Gmbh 6
#60 Danfoss Commercial Compressors 6
#61 Ingersoll-Rand Industrial U.S. 6
#62 Leybold Gmbh 6
#63 Nidec Tosok 6
#64 Parker-Hannifin 6
#65 Vitesco Technologies Gmbh 6
#66 Toyota 6
#67 Acer Incorporated 5
#68 Baker Hughes Holdings 5
#69 Bestway Inflatables & Material 5
#70 Dana Motion Systems Italia S.R.L. 5
#71 Danfoss Power Solutions Gmbh & Co. Ohg 5
#72 Dyson Technology Limited 5
#73 Franklin Electric Co. 5
#74 Garrett Transportation I 5
#75 Inventec 5
#76 Inventec (Pudong) Technology 5
#77 Itt Manufacturing Enterprises 5
#78 Midea Group Co. 5
#79 Nuovo Pignone Tecnologie S.R.L. 5
#80 Pfeiffer Vacuum 5
#81 Quanta Computer 5
#82 Safran Aircraft Engines 5
#83 Secop Gmbh 5
#84 Stokes Technology Development 5
#85 Ziehl-Abegg Se 5
#86 General Motors 5
#87 Apple 4
#88 Aisin 4
#89 Danfoss (Tianjin) 4
#90 Eaton Intelligent Power Limited 4
#91 Ebara 4
#92 Fresenius Medical Care Deutschland Gmbh 4
#93 Gd Midea Environment Appliances Mfg Co. 4
#94 Green Refrigeration Equipment Engineering Research Center Of Zhuhai Gree Co. 4
#95 HP 4
#96 Jiangsu University 4
#97 Koge Micro Tech Co. 4
#98 Leistritz Pumpen Gmbh 4
#99 Minebea Mitsumi 4
#100 Nidec Sankyo 4