Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Fuels and petroleum Patent Leaders in 2020 2020

Primary CPC class C10 · Section C

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 1,033 patents in 2016.peak 1,0331996: 576 patents19961997: 530 patents1998: 668 patents1999: 714 patents19992000: 680 patents2001: 678 patents2002: 536 patents20022003: 552 patents2004: 511 patents2005: 349 patents20052006: 384 patents2007: 374 patents2008: 425 patents20082009: 471 patents2010: 707 patents2011: 767 patents20112012: 781 patents2013: 975 patents2014: 1,007 patents20142015: 1,028 patents2016: 1,033 patents2017: 972 patents20172018: 922 patents2019: 895 patents2020: 982 patents20202021: 922 patents2022: 816 patents2023: 710 patents20232024: 746 patents2025: 715 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Sheryl B. Rubin-Pitel 13 ExxonMobil
2 Ki-Hyouk Choi 11 Saudi Arabian Oil
3 Scott K. Berkhous 11 ExxonMobil
#4 Debasis Bhattacharyya 10 Indian Oil Corporation Limited
#5 Omer Refa Koseoglu 10 Saudi Arabian Oil
#6 Mohammed Saeed Al-Ghamdi 9 Saudi Arabian Oil
#7 Sanjiv Kumar Mazumdar 9 Indian Oil Corporation Limited
#8 Sankara Sri Venkata RAMAKUMAR 9 Indian Oil Corporation Limited
#9 Jerry J. Weers 8 Baker Hughes Holdings
#10 Michael Joseph Moore 8 Magēmā Technology
#11 Ravichander Narayanaswamy 8 Sabic Global Technologies B.V.
#12 Abdennour Bourane 7 Saudi Arabian Oil
#13 Bader BaHammam 7 Saudi Arabian Oil
#14 Bertrand Ray Klussmann 7 Magēmā Technology
#15 Erin R. Fruchey 7 ExxonMobil
#16 Kendall S. Fruchey 7 ExxonMobil
#17 Kenneth C. H. Kar 7 MIT
#18 Kenneth C. H. Kar 7 ExxonMobil
#19 Kyle G. Lewis 7 ExxonMobil
#20 Madhusudan Sau 7 Indian Oil Corporation Limited
#21 Naif Al Osaimi 7 Saudi Arabian Oil
#22 Richard K. Hoehn 7 Uop
#23 Sami Barnawi 7 Saudi Arabian Oil
#24 Arno Johannes Maria Oprins 6 Sabic Global Technologies B.V.
#25 Carter James White 6 Magēmā Technology
#26 Donald A. Eizenga 6 Uop
#27 Ibrahim Abba 6 Saudi Arabian Oil
#28 Krishna Kumar Ramamurthy 6 Sabic Global Technologies B.V.
#29 Laxmi Narasimhan Chilkoor Soundararajan 6 Shell Oil Compny
#30 Lianhui Ding 6 Saudi Arabian Oil
#31 Ping Sun 6 Uop
#32 Ponoly Ramachandran PRADEEP 6 Indian Oil Corporation Limited
#33 Satyen Kumar Das 6 Indian Oil Corporation Limited
#34 Terapalli Hari Venkata Devi Prasad 6 Indian Oil Corporation Limited
#35 Vikrant Nanasaheb Urade 6 Shell Oil Compny
#36 Abdullah T. Alabdulhadi 5 Saudi Arabian Oil
#37 Abhimanyu O. Patil 5 ExxonMobil
#38 Alberto Lozano Ballesteros 5 Saudi Arabian Oil
#39 Alan Anthony Del Paggio 5 Shell Oil Compny
#40 Arjun Kumar Kottakuna 5 Indian Oil Corporation Limited
#41 Eric D. Morrison 5 Ecolab Usa
#42 Ewan E. Delbridge 5 The Lubrizol
#43 Ganesh Vitthalrao Butley 5 Indian Oil Corporation Limited
#44 Grant H. Yokomizo 5 Uop
#45 John Francis Quanci 5 Suncoke Technology And Development
#46 Martin R. Greaves 5 Dow Global Technologies
#47 Masato Kaneko 5 Idemitsu Kosan Co.
#48 Stephen H. Brown 5 ExxonMobil
#49 Stanley J. Frey 5 Uop
#50 Alakananda Bhattacharyya 4 Uop
#51 Alexander Stanislaus 4 Sabic Global Technologies B.V.
#52 Andrew Mark Ward 4 Sabic Global Technologies B.V.
#53 Barry A. Freel 4 Ensyn Renewables
#54 Brijesh Kumar 4 Indian Oil Corporation Limited
#55 Chun Wai Choi 4 Suncoke Technology And Development
#56 David T. Ferrughelli 4 ExxonMobil
#57 Essam Abdullah Al-Sayed 4 Saudi Arabian Oil
#58 Eugine Choi 4 ExxonMobil
#59 Evelyn A. Zaugg-Hoozemans 4 Dow Global Technologies
#60 Hari S. Bajpai 4 Uop
#61 Harald Boehnke 4 Basf Se
#62 Jacinthe Frecon 4 Axens
#63 Jean-Philippe Heraud 4 Ifp Energies Nouvelles
#64 Jukka Myllyoja 4 Google
#65 Keith K. Aldous 4 ExxonMobil
#66 Luca Salvi 4 ExxonMobil
#67 Ludwig Voelkel 4 Basf Se
#68 Mark Anthony Ball 4 Suncoke Technology And Development
#69 Matthew W. Boland 4 ExxonMobil
#70 Mazin M. Fathi 4 Saudi Arabian Oil
#71 Matthew D. Gieselman 4 The Lubrizol
#72 Mainak Sarkar 4 Indian Oil Corporation Limited
#73 Michael R. Van de Cotte 4 Uop
#74 Muneef F. Alqarzouh 4 Saudi Arabian Oil
#75 Nettem Venkateswarlu Choudary 4 Bharat Petroleum Corporation Limited
#76 Odile Lajeunesse 4 Axens
#77 Patrick E. Mosier 4 The Lubrizol
#78 Phuong T. M. Do 4 Uop
#79 Raman Ravishankar 4 Hindustan Petroleum Corporation Limited
#80 Robert Peter Hodgkins 4 Saudi Arabian Oil
#81 Satish Bodige 4 ExxonMobil
#82 Wenning W. Han 4 ExxonMobil
#83 Zhisheng Gao 4 ExxonMobil
#84 Aditya S. Shetkar 3 ExxonMobil
#85 Akira Takagi 3 Denso
#86 Ali H. Alshareef 3 Saudi Arabian Oil
#87 Ali Issa Ismail 3 King Abdulaziz University
#88 Andrea Gutierrez 3 Upm-Kymmene
#89 Ansgar Kursawe 3 Siemens Aktiengesellschaft
#90 Annick Pucci 3 Ifp Energies Nouvelles
#91 Anthony J. Strong 3 Infineum International Limited
#92 Anthony F. Tenore 3 Golden Renewable Energy
#93 Anthony N. Tenore 3 Fonar
#94 Ayman Mohamady Atta 3 King Abdulaziz University
#95 Beckay J. Mezza 3 Uop
#96 Bjornulf White 3 Ecogensus
#97 Brian A. Cunningham 3 ExxonMobil
#98 Brandon Davis 3 Aries Clean Technologies
#99 Bryan K. Glover 3 Uop
#100 Brian M. Weiss 3 ExxonMobil

Top Companies

Rank ↑ Company ↕ Patents ↕
1 ExxonMobil 78
2 Saudi Arabian Oil 58
3 Uop 52
#4 Sabic Global Technologies B.V. 29
#5 Shell Oil Compny 29
#6 Idemitsu Kosan Co. 21
#7 Ifp Energies Nouvelles 18
#8 The Lubrizol 18
#9 Ecolab Usa 17
#10 Total Marketing Services 15
#11 Indian Oil Corporation Limited 14
#12 Basf Se 13
#13 Infineum International Limited 13
#14 Dow Global Technologies 12
#15 Chevron 12
#16 Afton Chemical 11
#17 Axens 10
#18 Baker Hughes Holdings 10
#19 Phillips Petroleum 9
#20 Google 8
#21 Jxtg Nippon Oil & Energy 6
#22 Lummus Technology 6
#23 Suncoke Technology And Development 6
#24 Unknown 6
#25 Ensyn Renewables 5
#26 Hindustan Petroleum Corporation Limited 5
#27 Magēmā Technology 5
#28 Air Products And Chemicals 4
#29 Aries Gasification 4
#30 China University Of Petroleum (East China) 4
#31 Ecogensus 4
#32 Eneos 4
#33 Evonik Operations Gmbh 4
#34 Haldor Topsøe A/S 4
#35 KAIST 4
#36 Mitsubishi Hitachi Power Systems 4
#37 Praxair Technology 4
#38 Saudi Basic Industries 4
#39 Syncrude Canada Ltd. In Trust For The Owners Of The Syncrude Project As Such Owners Exist Now And In The Future 4
#40 Upm-Kymmene 4
#41 GE 4
#42 Autonetworks Technologies 3
#43 Bp Corporation North America 3
#44 Bp Oil International Limited 3
#45 China Petroleum & Chemical 3
#46 Dorf Ketal Chemicals (India) Private Limited 3
#47 Eni S.P.A. 3
#48 Fluor Technologies 3
#49 Gas Technology Institute 3
#50 Hyundai Motor 3
#51 Instituto Mexicano Del Petróleo 3
#52 Kia Motors 3
#53 King Abdulaziz University 3
#54 Kyushu University 3
#55 Lanxess Solutions Us 3
#56 Marathon Petroleum Company Lp 3
#57 Nok Klueber Co. 3
#58 Racional Energy & Environment 3
#59 Research Institute Of Petroleum Processing, Sinopec 3
#60 Siemens Aktiengesellschaft 3
#61 Sumitomo Electric Industries 3
#62 Terrapower 3
#63 V-Grid Energy Systems 3
#64 Accordant Energy 2
#65 Ada-Es 2
#66 Agc 2
#67 Anellotech 2
#68 Arr-Maz Products 2
#69 Beijing Huashi United Energy Technology And Development Co. 2
#70 Bharat Petroleum Corporation Limited 2
#71 China University Of Petroleum—Beijing 2
#72 Chiyoda 2
#73 Chz Technologies 2
#74 Clean Energy Technology Association 2
#75 Croda International Plc 2
#76 Daido Metal Company 2
#77 Donaldson Company 2
#78 Duke Technologies 2
#79 Emerging Fuels Technology 2
#80 Ergon 2
#81 Fort Hills Energy 2
#82 Fuchs Petrolub Se 2
#83 Fulcrum Bioenergy 2
#84 Gaps Technology 2
#85 Golden Renewable Energy 2
#86 Hrl Laboratories 2
#87 Inaeris Technologies 2
#88 Innospec Limited 2
#89 Jgc Catalysts And Chemicals 2
#90 KFUPM 2
#91 Kyodo Yushi Co. 2
#92 L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude 2
#93 Linde Gmbh 2
#94 Lyondell Chemical Technology 2
#95 Mawetal 2
#96 Merichem 2
#97 Mitsubishi Heavy Industries Engineering 2
#98 Mitsubishi Heavy Industries Environmental & Chemical Engineering Co. 2
#99 Nanotech Industrial Solutions 2
#100 Nof 2