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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 2022 2022

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 Michael W. Cumbie 14 HP
2 Alexander Govyadinov 13 HP
3 Omer Refa Koseoglu 13 Saudi Arabian Oil
#4 Peizhi Cai 12 BOE
#5 Chien-Hua Chen 11 HP
#6 Fengchun Pang 11 BOE
#7 Viktor Shkolnikov 11 HP
#8 Chuncheng Che 10 BOE
#9 Max P. McDaniel 10 Chevron
#10 Yue Geng 10 BOE
#11 Kathy S. Clear 9 Chevron
#12 Kenichi Noda 9 Ngk Insulators
#13 Le GU 9 BOE
#14 Peter K. Herman 9 Cummins Filtration Ip
#15 David A. Weitz 8 Harvard University
#16 Lutz Weber 8 Thinxxs Microtechnology Gmbh
#17 Xiaochuan Chen 8 BOE
#18 Bandar A. Fadhel 7 Saudi Arabian Oil
#19 Eric D. Schwerdtfeger 7 Chevron
#20 Haisheng Wang 7 BOE
#21 Joshua T. Smith 7 IBM
#22 Lei Wang 7 BOE
#23 Makoto Miyahara 7 Ngk Insulators
#24 Pavel Kornilovich 7 HP
#25 Tarun Khurana 7 Illumina
#26 Ulrich Mueller 7 Basf Se
#27 Xiaoliang Ding 7 BOE
#28 Benjamin H. Wunsch 6 IBM
#29 Christopher E. Holm 6 Cummins Filtration Ip
#30 Dong Hyun Ko 6 LG
#31 Hiromasa Suzuki 6 Toyota
#32 Izak Nieuwoudt 6 Koch-Glitsch, Lp
#33 Jeremy M. Praetorius 6 Chevron
#34 Jere James Wall 6 K&N Engineering
#35 Jianmei Lu 6 Soochow University
#36 Kalyan Handique 6 Handylab
#37 Kevin D. Wyndham 6 Waters Technologies
#38 Mohammed A. Albuali 6 Saudi Arabian Oil
#39 Mohamed Eddaoudi 6 King Abdullah University Of Science And Technology
#40 Rami Bamagain 6 Saudi Arabian Oil
#41 Robert Peter Hodgkins 6 Saudi Arabian Oil
#42 Scott W. Schwartz 6 Cummins Filtration Ip
#43 Sebastien A. Duval 6 Saudi Arabian Oil
#44 Steve Williams 6 K&N Engineering
#45 Takeshi Hagio 6 Kabushiki Kaisha Toshiba
#46 Trevor Alan Hatton 6 MIT
#47 Wei Xu 6 Saudi Arabian Oil
#48 Xue Dong 6 BOE
#49 Yingming Liu 6 BOE
#50 Youssef Belmabkhout 6 King Abdullah University Of Science And Technology
#51 Zemin Jiang 6 Cummins Filtration Ip
#52 Ali Agah 5 Illumina
#53 Andrew Carl Larsen 5 Dropworks
#54 Arta Motadel 5 Biotix
#55 Bandar H. Alsolami 5 Saudi Arabian Oil
#56 Barry M. Verdegan 5 Cummins Filtration Ip
#57 Bernd Krause 5 Gambro Lundia Ab
#58 Chirag D. Parikh 5 Cummins Filtration Ip
#59 Daniel J. Despen 5 —
#60 Fangzhou Wang 5 BOE
#61 Feras Hamad 5 Saudi Arabian Oil
#62 Guangcai Yuan 5 BOE
#63 Hai-Ying Chen 5 Johnson Matthey Public Limited
#64 Haochen Cui 5 BOE
#65 Huiping Tian 5 China Petroleum & Chemical
#66 Jad Jaber 5 Entegris
#67 James A. Mennell 5 —
#68 Jayant Singh 5 Cummins Filtration Ip
#69 Jifeng Tan 5 BOE
#70 Jianguo Wang 5 Huawei
#71 Johnny Craessaerts 5 Donaldson Company
#72 Joseph Michael Fedeyko 5 Johnson Matthey Public Limited
#73 Jui-Cheng Huang 5 TSMC
#74 Karim Adil 5 King Abdullah University Of Science And Technology
#75 Kenneth Ward 5 HP
#76 Liren Xu 5 Dow Global Technologies
#77 Lynn Allen Crawford 5 Energy Integration
#78 Manikandan Annamalai 5 Cummins Filtration Ip
#79 Mark V. Holzmann 5 Cummins Filtration Ip
#80 Masaaki Mori 5 Nitto Denko
#81 Milind M. Vaidya 5 Saudi Arabian Oil
#82 Motaz Khawaji 5 Saudi Arabian Oil
#83 Nan Zhao 5 BOE
#84 Nobuya SUNAGA 5 Enplas
#85 Paul Crivelli 5 Illumina
#86 Paul Terrien 5 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
#87 Sankara Sri Venkata RAMAKUMAR 5 Indian Oil Corporation Limited
#88 Scott J. Weigel 5 ExxonMobil
#89 Seung-Hak Choi 5 Saudi Arabian Oil
#90 Shinnosuke Goto 5 Ibiden Co.
#91 Sophia SCHMIDT 5 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
#92 Sohel Shaikh 5 Saudi Arabian Oil
#93 Stefan Kunze 5 Mann+Hummel Gmbh
#94 Tao Zhang 5 Starkey Laboratories
#95 Ulrich Dehnen 5 Mann+Hummel Gmbh
#96 Wesley A. Cox-Muranami 5 Illumina
#97 Wei Wang 5 BOE
#98 William Bryan Schafer, III 5 Energy Integration
#99 Xianqin Meng 5 BOE
#100 Xiandong Meng 5 BOE

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Saudi Arabian Oil 75
2 ExxonMobil 51
3 LG 51
#4 Basf Se 50
#5 Cummins Filtration Ip 43
#6 Donaldson Company 42
#7 HP 39
#8 KFUPM 39
#9 BOE 33
#10 Mann+Hummel Gmbh 32
#11 Toyota 31
#12 Ngk Insulators 30
#13 Unknown 30
#14 Chevron 28
#15 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude 27
#16 University of California 26
#17 Ifp Energies Nouvelles 21
#18 Danaher 21
#19 King Abdullah University Of Science And Technology 20
#20 IBM 20
#21 Illumina 19
#22 Uop 19
#23 Johnson Matthey Public Limited 18
#24 Umicore Ag & Co. Kg 18
#25 Waters Technologies 17
#26 3M 15
#27 Dow Global Technologies 15
#28 Harvard University 15
#29 Beijing Boe Optoelectronics Technology Co. 14
#30 Hamilton Sundstrand 13
#31 Cataler 12
#32 CNRS 12
#33 Hyundai Motor 12
#34 KAIST 12
#35 MIT 12
#36 Sabic Global Technologies B.V. 12
#37 Shell Usa 12
#38 Samsung 12
#39 Asahi Kasei Kabushiki Kaisha 11
#40 Atlas Copco Airpower, Naamloze Vennootschap 11
#41 Bio-Rad Laboratories 11
#42 China Petroleum & Chemical 11
#43 Fujifilm 11
#44 Kia Motors 11
#45 King Abdulaziz University 11
#46 Lawrence Livermore National Security 11
#47 Mahle International Gmbh 11
#48 Nitto Denko 11
#49 Siemens Healthcare Diagnostics 11
#50 Halliburton Energy Services 10
#51 Honda Motor Co. 10
#52 Sartorius Stedim Biotech Gmbh 10
#53 Thermo Fisher 10
#54 Arizona Board Of Regents For And On Behalf Of Arizona State University 9
#55 Becton, Dickinson And 9
#56 Ecolab Usa 9
#57 Entegris 9
#58 Gen-Probe Incorporated 9
#59 Hollingsworth & Vose 9
#60 Shimadzu 9
#61 Soochow University 9
#62 TSMC 9
#63 Toray Industries 9
#64 Apple 8
#65 Beijing Boe Technology Development Co. 8
#66 CEA 8
#67 Cornell University 8
#68 Emd Millipore 8
#69 Imec Vzw 8
#70 Mitsubishi Heavy Industries Engineering 8
#71 Nanjing University 8
#72 Robert Bosch Gmbh 8
#73 University Of Texas System 8
#74 The Boeing 8
#75 Caterpillar 8
#76 Honeywell 8
#77 Amogreentech Co. 7
#78 Biomerieux 7
#79 Corning Incorporated 7
#80 Coway Co. 7
#81 Cummins Emission Solutions 7
#82 Dalian Institute Of Chemical Physics, Chinese Academy Of Sciences 7
#83 Gambro Lundia Ab 7
#84 Georgia Tech Research 7
#85 Hitachi High-Technologies 7
#86 Hydac Process Technology Gmbh 7
#87 ITRI 7
#88 Research Institute Of Petroleum Processing, Sinopec 7
#89 Sharp Life Science (Eu) Limited 7
#90 Sysmex 7
#91 Tecan Trading Ag 7
#92 Baldwin Filters 6
#93 Bl Technologies 6
#94 Daicel 6
#95 Evonik Operations Gmbh 6
#96 Ibiden Co. 6
#97 K&N Engineering 6
#98 Koch-Glitsch, Lp 6
#99 Korea Institute Of Science And Technology 6
#100 Korea University Research And Business Foundation 6