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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 2019 2019

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 Jing Luo 14 Jiangnan Environmental Protection Group
2 Daniel E. Adamek 10 Donaldson Company
3 Fabian Wagner 10 Mann+Hummel Gmbh
#4 Frank Pflueger 10 Mann+Hummel Gmbh
#5 Benny K. Nelson 9 Donaldson Company
#6 Chunqing Liu 9 Uop
#7 Joseph Michael Fedeyko 9 Johnson Matthey Public Limited
#8 Paul Richard Phillips 9 Johnson Matthey Public Limited
#9 Andrew Francis Chiffey 8 Johnson Matthey Public Limited
#10 Ananda K. Nagavarapu 8 ExxonMobil
#11 Brijesh Kumar 8 Indian Oil Corporation Limited
#12 Christian Thalmann 8 Mann+Hummel Gmbh
#13 David A. Weitz 8 Harvard University
#14 Gregory J. Lewis 8 Uop
#15 Hai-Ying Chen 8 Johnson Matthey Public Limited
#16 Yongying Luo 8 Jiangnan Environmental Protection Group
#17 André Roesgen 7 Mann+Hummel Gmbh
#18 Donald A. Masquelier 7 Bio-Rad Laboratories
#19 Kevin Ness 7 10X Genomics
#20 Makiko Ichikawa 7 Ngk Insulators
#21 Marshall Medoff 7 Xyleco
#22 Mohamed Eddaoudi 7 King Abdullah University Of Science And Technology
#23 Mohan Prabhu Kuvettu 7 Indian Oil Corporation Limited
#24 Robert Hasenfratz 7 Mann+Hummel Gmbh
#25 Scott W. Schwartz 7 Cummins Filtration Ip
#26 Youssef Belmabkhout 7 King Abdullah University Of Science And Technology
#27 Aaron Sayre 6 Hall Labs
#28 Benjamin Hindson 6 10X Genomics
#29 Benjamin H. Wunsch 6 IBM
#30 Biswanath Sarkar 6 Indian Oil Corporation Limited
#31 Changxiang Xu 6 Jiangnan Environmental Protection Group
#32 David J. Beebe 6 WARF
#33 Emmanuel Delamarche 6 IBM
#34 Guy Richard Chandler 6 Johnson Matthey Public Limited
#35 Kalyan Handique 6 Handylab
#36 Koji Motomura 6 Panasonic
#37 Larry Baxter 6 Sustainable Energy Solutions
#38 Lars Boettcher 6 Sartorius Stedim Biotech Gmbh
#39 Makoto Miyahara 6 Ngk Insulators
#40 Maximus G. St. John 6 Gradiant
#41 Omer Refa Koseoglu 6 Saudi Arabian Oil
#42 Prakash Narayan Govindan 6 Gradiant
#43 Raj Rao Rajaram 6 Johnson Matthey Public Limited
#44 Richard Osendorf 6 Donaldson Company
#45 Stuart R. Miller 6 Uop
#46 Tatsuya Ohashi 6 Cataler
#47 Thomas Miller 6 Donaldson Company
#48 Tsuyoshi Oishi 6 Mitsubishi Electric
#49 Ulrich Hammon 6 Basf Se
#50 Xiangjun Xu 6 Jiangnan Environmental Protection Group
#51 Akira Matsuoka 5 Kobe Steel
#52 Albin Peter Berzinis 5 Sabic Global Technologies B.V.
#53 Alex Cheru Pulikottil 5 Indian Oil Corporation Limited
#54 Arumugam Velayutham Karthikeyani 5 Indian Oil Corporation Limited
#55 Bennett D. Marshall 5 ExxonMobil
#56 Biswapriya Das 5 Indian Oil Corporation Limited
#57 Bin Zhang 5 BOE
#58 Bruce T. Kelley 5 ExxonMobil
#59 Bryant Morris 5 Caterpillar
#60 Christopher A. Battles 5 Becton, Dickinson And
#61 Christophe R. Laroche 5 Dow Global Technologies
#62 Christopher Naunheimer 5 Uop
#63 Christopher P. Nicholas 5 Uop
#64 David C. Calabro 5 ExxonMobil
#65 Daniel Schmid 5 Mann+Hummel Gmbh
#66 David W. Wright 5 General Motors
#67 Delphine Minoux 5 Total Research & Technology Feluy
#68 Dimitris Ioannis Collias 5 The Procter & Gamble
#69 Francois Moreau 5 Johnson Matthey Public Limited
#70 Gregory Sergeevich Chernov 5 Haier Us Appliance Solutions
#71 Guenter Jokschas 5 Mann+Hummel Gmbh
#72 Hiroyoshi Okuno 5 —
#73 Hiroto Sumida 5 Panasonic
#74 Hideaki Yoshikawa 5 —
#75 Jayaraj Christopher 5 Indian Oil Corporation Limited
#76 Jamieson W. Crawford 5 Becton, Dickinson And
#77 Jean-Pierre Dath 5 Total Research & Technology Feluy
#78 Jonathan Cutting 5 Sartorius Stedim North America
#79 Joerg Werner Muench 5 Johnson Matthey Public Limited
#80 Joshua T. Smith 5 IBM
#81 Juergen Bauer 5 Johnson Matthey Public Limited
#82 Ke Lin 5 Beijing Huashi United Energy Technology And Development Co.
#83 Kenichi Noda 5 Ngk Insulators
#84 Kunihiko Inui 5 Daikin Industries
#85 Kyle Gleason 5 Bio-Rad Laboratories
#86 Lisa M. Knight 5 Uop
#87 Lin Li 5 Beijing Huashi United Energy Technology And Development Co.
#88 Lutz Weber 5 Thinxxs Microtechnology Gmbh
#89 Marcus Hilgendorff 5 Basf Se
#90 Martin Oschwald 5 Sartorius Stedim Biotech Gmbh
#91 Martin Weindorf 5 Mann+Hummel Gmbh
#92 Michael J. Sherman 5 Kx Technologies
#93 Narasimhan Sundaram 5 ExxonMobil
#94 Nicole K. Karns 5 Uop
#95 Paolo Palmas 5 Uop
#96 Pooja Bajaj 5 Sabic Global Technologies B.V.
#97 Priyadarshini Gogoi 5 Bio-Rad Laboratories
#98 Rachel Elizabeth Halbfinger 5 Sabic Global Technologies B.V.
#99 Robert Paradis 5 Xyleco
#100 Ryan Delmoral Ko 5 Apple

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Basf Se 63
2 Donaldson Company 54
3 ExxonMobil 53
#4 Mann+Hummel Gmbh 51
#5 GE 44
#6 LG 41
#7 Uop 39
#8 Johnson Matthey Public Limited 37
#9 Chevron 36
#10 Ngk Insulators 32
#11 Unknown 29
#12 IBM 28
#13 Dow Global Technologies 27
#14 Saudi Arabian Oil 25
#15 KFUPM 24
#16 Shell Oil Compny 24
#17 Ifp Energies Nouvelles 22
#18 Toyota 22
#19 3M 21
#20 Cummins Filtration Ip 18
#21 Hamilton Sundstrand 17
#22 Sabic Global Technologies B.V. 17
#23 Panasonic 17
#24 King Abdullah University Of Science And Technology 16
#25 Sartorius Stedim Biotech Gmbh 16
#26 Thermo Fisher 16
#27 KAIST 15
#28 University of California 15
#29 Fujifilm 14
#30 Jiangnan Environmental Protection Group 14
#31 MIT 14
#32 Mitsubishi Heavy Industries Engineering 14
#33 The Procter & Gamble 13
#34 Toray Industries 13
#35 Umicore Ag & Co. Kg 13
#36 Waters Technologies 13
#37 Emd Millipore 12
#38 Cataler 11
#39 Corning Incorporated 11
#40 Harvard University 11
#41 Hollingsworth & Vose 10
#42 Indian Oil Corporation Limited 10
#43 Agilent Technologies 9
#44 Atlas Copco Airpower, Naamloze Vennootschap 9
#45 Bio-Rad Laboratories 9
#46 Cameron International 9
#47 China Petroleum & Chemical 9
#48 Evonik Degussa Gmbh 9
#49 Haldor Topsøe A/S 9
#50 Hydac Filtertechnik Gmbh 9
#51 Hyundai Motor 9
#52 Ihi 9
#53 Koniniklijke Philips N.V. 9
#54 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude 9
#55 Mitsubishi Chemical 9
#56 Caterpillar 9
#57 Danaher 9
#58 Samsung 9
#59 Baker Hughes Holdings 8
#60 Becton, Dickinson And 8
#61 Caltech 8
#62 Evoqua Water Technologies 8
#63 Haier Us Appliance Solutions 8
#64 Illumina 8
#65 Kobe Steel 8
#66 Lawrence Livermore National Security 8
#67 Linde Gmbh 8
#68 Nitto Denko 8
#69 Siemens Healthcare Diagnostics 8
#70 Wacker Chemie Ag 8
#71 Canon 8
#72 General Motors 8
#73 Biomerieux 7
#74 Casale Sa 7
#75 Council Of Scientific And Industrial Research 7
#76 Daikin Industries 7
#77 Doosan Heavy Industries & Construction Co. 7
#78 Korea Institute Of Science And Technology 7
#79 Mitsubishi Electric 7
#80 Nanyang Technological University 7
#81 Nippon Shokubai Co. 7
#82 Outotec (Finland) Oy 7
#83 Reliance Industries Limited 7
#84 Robert Bosch Gmbh 7
#85 Xyleco 7
#86 RTX (Raytheon) 7
#87 Arizona Board Of Regents For And On Behalf Of Arizona State University 6
#88 Baldwin Filters 6
#89 Battelle Memorial Institute 6
#90 Bl Technologies 6
#91 Celsee Diagnostics 6
#92 CNRS 6
#93 Cummins Emission Solutions 6
#94 Fujifilm Business Innovation 6
#95 Georgia Tech Research 6
#96 Gradiant 6
#97 Kabushiki Kaisha Toshiba 6
#98 Mitsubishi Hitachi Power Systems 6
#99 Nova Chemicals (International) S.A. 6
#100 Phillips Petroleum 6