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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Separation and mixing

Separation and mixing Patent Leaders in 2017 2017

Primary CPC class B01 · Section B

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 4,008 patents in 2020.peak 4,0081996: 1,961 patents19961997: 2,063 patents1998: 2,413 patents1999: 2,566 patents19992000: 2,499 patents2001: 2,600 patents2002: 2,467 patents20022003: 2,480 patents2004: 2,185 patents2005: 2,002 patents20052006: 2,059 patents2007: 1,942 patents2008: 2,013 patents20082009: 2,101 patents2010: 2,885 patents2011: 2,862 patents20112012: 3,039 patents2013: 3,344 patents2014: 3,430 patents20142015: 3,481 patents2016: 3,419 patents2017: 3,494 patents20172018: 3,497 patents2019: 3,883 patents2020: 4,008 patents20202021: 3,910 patents2022: 3,982 patents2023: 3,677 patents20232024: 3,822 patents2025: 3,736 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Marshall Medoff 13 Xyleco
2 Hai-Ying Chen 11 Johnson Matthey Public Limited
3 Khaled Abdel-Hakim Helmy Aamer 11 Danaher
#4 Thomas Craig Masterman 11 Xyleco
#5 Stacey I. Zones 10 Chevron
#6 Vincent Linder 10 Opko Diagnostics
#7 David A. Weitz 9 Harvard University
#8 Yunosuke Nakahara 9 Mitsui Mining & Smelting Co.
#9 Abhishek Roy 8 Dow Global Technologies
#10 Andrew Francis Chiffey 8 Johnson Matthey Public Limited
#11 David Steinmiller 8 Opko Diagnostics
#12 Hassan Ait-Haddou 8 Danaher
#13 Hiromasa Suzuki 8 Toyota
#14 Masahiro Kimura 8 Toray Industries
#15 Mou Paul 8 Dow Global Technologies
#16 Robert Paradis 8 Xyleco
#17 Thomas D. Raether 8 Donaldson Company
#18 Amarnauth Singh 7 Danaher
#19 Bart Lipkens 7 Flodesign Sonics
#20 Joseph Michael Fedeyko 7 Johnson Matthey Public Limited
#21 Kenichi Taki 7 Cataler
#22 Maximilian A. Biberger 7 Sdcmaterials
#23 Paul Richard Phillips 7 Johnson Matthey Public Limited
#24 Qinghua Yin 7 Sdcmaterials
#25 Satoshi Matsueda 7 Cataler
#26 Yuki Nagao 7 Canon
#27 Akimasa Hirai 6 Cataler
#28 Ayub Khattak 6 Cue Health
#29 Byron J. Knight 6 Gen-Probe Incorporated
#30 Clinton Sever 6 Cue Health
#31 Dylan J. Boday 6 IBM
#32 Hiroho Hirozawa 6 Toray Industries
#33 Ian A. Tomlinson 6 Dow Global Technologies
#34 Kalyan Handique 6 Handylab
#35 Stephen J. Golden 6 Catalytic Solutions
#36 Tarik Naheiri 6 Pacific Consolidated Industries
#37 Ali E. Aliev 5 University Of Texas System
#38 Alexander Katz 5 University of California
#39 Anvar A. Zakhidov 5 University Of Texas System
#40 Benjamin Hindson 5 10X Genomics
#41 Chris Williams 5 University Of Texas System
#42 David D. Hawn 5 Dow Global Technologies
#43 Dan Xie 5 Chevron
#44 Dong Hyun Ko 5 LG
#45 Donald A. Masquelier 5 Bio-Rad Laboratories
#46 Francois Moreau 5 Johnson Matthey Public Limited
#47 Guy Richard Chandler 5 Johnson Matthey Public Limited
#48 Hiroyuki Matsubara 5 Toyota
#49 Jason Burns 5 Pacific Consolidated Industries
#50 Kevin Ness 5 10X Genomics
#51 Kentaro Takagi 5 Toray Industries
#52 Matthew T. Pretz 5 Dow Global Technologies
#53 Marcin Stasiak 5 Danaher
#54 Mei Zhang 5 University Of Texas System
#55 Petrus Van Kessel 5 Fujifilm Manufacturing Europe B.V.
#56 Ray H. Baughman 5 University Of Texas System
#57 Robert C. Cieslinski 5 Dow Global Technologies
#58 Seiji Kagawa 5 Unknown
#59 Sepehr Kiani 5 Bio-Rad Laboratories
#60 Sergey Li 5 University Of Texas System
#61 Shaoli Fang 5 University Of Texas System
#62 Shane Edward Harton 5 Danaher
#63 Steven D. Jons 5 Dow Global Technologies
#64 Steven Rosenberg 5 Dow Global Technologies
#65 Toshihiro Fukuda 5 Sony
#66 Tony Hung 5 Bio-Rad Laboratories
#67 Wen-Mei Xue 5 Basf Se
#68 Xiwang Qi 5 Sdcmaterials
#69 Yolando David 5 Danaher
#70 Yoshiki Okamoto 5 Sony
#71 Yuki Aoki 5 Toyota
#72 Yujiro Itami 5 Fujifilm Manufacturing Europe B.V.
#73 Zahra Nazarpoor 5 Clean Diesel Technologies
#74 Adam R. Abate 4 Harvard University
#75 Alexander Nicholas Michael Green 4 Johnson Matthey Public Limited
#76 Arta Motadel 4 Biotix
#77 Austin Payne 4 Bio-Rad Laboratories
#78 Barry M. Verdegan 4 Cummins Filtration Ip
#79 Bruce Gregory Biltoft 4 Evoqua Water Technologies
#80 Brian McCarthy 4 Flodesign Sonics
#81 Bryant Morris 4 Caterpillar
#82 Brian W. Schwandt 4 Cummins Filtration Ip
#83 Chih-Chau Hwang 4 William Marsh Rice University
#84 Christopher Siemer 4 Denovo Sciences
#85 David J. Burns 4 Pecofacet (Us)
#86 David A. Buse 4 Gen-Probe Incorporated
#87 David C. Calabro 4 ExxonMobil
#88 Daniel George Norton 4 GE
#89 Daniel Schmid 4 Mann+Hummel Gmbh
#90 Dennis G. Peiffer 4 ExxonMobil
#91 Deepak Shukla 4 Eastman Kodak
#92 Dimitris Ioannis Collias 4 The Procter & Gamble
#93 Dong Hyun Chun 4 Korea Institute Of Energy Research
#94 Don F. Shaw 4 Dow Global Technologies
#95 Edwin S. Olson 4 Energy And Environmental Research Center Foundation
#96 Fufang Zha 4 U.S. Filter Wastewater Group
#97 Gregory A. Dale 4 Canon
#98 Guenter Goerg 4 Mann+Hummel Gmbh
#99 Gudmund Smedler 4 Johnson Matthey Public Limited
#100 Heon Jung 4 Korea Institute Of Energy Research

Top Companies

Rank ↑ Company ↕ Patents ↕
1 GE 51
2 Basf Se 41
3 Chevron 41
#4 LG 40
#5 Johnson Matthey Public Limited 39
#6 Donaldson Company 37
#7 ExxonMobil 37
#8 Danaher 34
#9 Toyota 34
#10 Dow Global Technologies 30
#11 Uop 26
#12 University of California 24
#13 Unknown 24
#14 Mann+Hummel Gmbh 23
#15 Samsung 23
#16 Shell Oil Compny 22
#17 Korea Institute Of Energy Research 20
#18 Mitsubishi Electric 19
#19 IBM 18
#20 Thermo Fisher 17
#21 Cummins Filtration Ip 16
#22 KFUPM 16
#23 Caterpillar 16
#24 Caltech 15
#25 Ecolab Usa 15
#26 Saudi Arabian Oil 15
#27 3M 14
#28 Becton, Dickinson And 14
#29 Bio-Rad Laboratories 14
#30 China Petroleum & Chemical 14
#31 Emd Millipore 14
#32 Evonik Degussa Gmbh 14
#33 Ifp Energies Nouvelles 14
#34 Saudi Basic Industries 14
#35 Toray Industries 14
#36 Evoqua Water Technologies 13
#37 KAIST 13
#38 Xyleco 13
#39 Corning Incorporated 12
#40 University Of Texas System 12
#41 Fujifilm 11
#42 MIT 11
#43 Harvard University 11
#44 Waters Technologies 11
#45 CNRS 10
#46 Fujifilm Manufacturing Europe B.V. 10
#47 Mitsui Mining & Smelting Co. 10
#48 Opko Diagnostics 10
#49 Honeywell 10
#50 Cataler 9
#51 CEA 9
#52 Council Of Scientific And Industrial Research 9
#53 Haldor Topsøe A/S 9
#54 Jx Nippon Oil & Energy 9
#55 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude 9
#56 Phillips Petroleum 9
#57 Whirlpool 9
#58 Canon 9
#59 Air Products And Chemicals 8
#60 Baker Hughes Holdings 8
#61 Eastman Chemical 8
#62 Georgia Tech Research 8
#63 Hydac Filtertechnik Gmbh 8
#64 ITRI 8
#65 Korea Institute Of Science And Technology 8
#66 Mahle International Gmbh 8
#67 Ngk Insulators 8
#68 Outotec (Finland) Oy 8
#69 Praxair Technology 8
#70 Sabic Global Technologies B.V. 8
#71 The Procter & Gamble 8
#72 Panasonic 8
#73 Baldwin Filters 7
#74 Dalian Institute Of Chemical Physics, Chinese Academy Of Sciences 7
#75 Flodesign Sonics 7
#76 Gen-Probe Incorporated 7
#77 Hyundai Motor 7
#78 Lawrence Livermore National Security 7
#79 Mitsubishi Hitachi Power Systems 7
#80 Nitto Denko 7
#81 Sartorius Stedim Biotech Gmbh 7
#82 Sdcmaterials 7
#83 Xerox 7
#84 Ford 7
#85 Sony 7
#86 Asahi Kasei Chemicals 6
#87 Chiyoda 6
#88 Clean Diesel Technologies 6
#89 Cue 6
#90 Denso 6
#91 Entegris 6
#92 Ihi 6
#93 Kabushiki Kaisha Toshiba 6
#94 Linde Gmbh 6
#95 Pacific Consolidated Industries 6
#96 Research Institute Of Petroleum Processing, Sinopec 6
#97 Saint-Gobain Performance Plastics 6
#98 Sk Innovation Co. 6
#99 Sumitomo Chemical 6
#100 The Boeing 6