Topic leaderboard
Fuels, natural gas & fire-lighters
Ranked by the PatentIndex Score — a 1–99 percentile within C10L · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest C10L patents became public in the last 2 years — the current frontier
- 199James A. Mennell32 patents · 586 citations
- 296Daniel J. Despen26 patents · 535 citations
- 392Bertrand Ray Klussmann25 patents · 443 citations
- 488Carter James White20 patents · 388 citations
- 583Peg Broughton11 patents · 241 citations
- 679V. Elijah Mullins9 patents · 213 citations
- 775Jeffrey A. Sexton9 patents · 171 citations
- 871John R. Weber6 patents · 162 citations
- 967Richard L. Eller6 patents · 162 citations
- 1063Brian Foody29 patents · 382 citations
- 1158Paul R. Stevenson21 patents · 294 citations
- 1254Steve Filips12 patents · 142 citations
- 1350Jonathan Hale Perkins12 patents · 181 citations
- 1446Mohammed Wohaibi32 patents · 121 citations
- 1542Tom F. Pruitt32 patents · 121 citations
- 1638Charles Cavness6 patents · 113 citations
- 1733Chase Lochmiller6 patents · 113 citations
- 1829Kenneth Parker6 patents · 113 citations
- 1925John Francis Quanci11 patents · 121 citations
- 2021James Robertson Petrie17 patents · 131 citations
- 2117Thomas Vanhercke17 patents · 131 citations
- 2213David Whikehart10 patents · 81 citations
- 238Anna El Tahchy15 patents · 116 citations
- 244Gregory Herold9 patents · 72 citations
- 251Karl Fisher11 patents · 104 citations
Active· last 5 yrs
Sustained C10L output across the last 5 years
- 199James A. Mennell32 patents · 586 citations
- 296Daniel J. Despen26 patents · 535 citations
- 392Douglas C. Comrie31 patents · 876 citations
- 488Bertrand Ray Klussmann25 patents · 443 citations
- 583Carter James White20 patents · 388 citations
- 679Elizabeth A. Schiferl10 patents · 753 citations
- 775Michael Feustel32 patents · 880 citations
- 871Paul E. Adams31 patents · 1,027 citations
- 967Larry D. Mattingly13 patents · 404 citations
- 1063Peg Broughton11 patents · 241 citations
- 1158V. Elijah Mullins9 patents · 213 citations
- 1254Peter G. Tiverios16 patents · 228 citations
- 1350Stephen H. Lucas16 patents · 228 citations
- 1446Jeffrey A. Sexton9 patents · 171 citations
- 1542John R. Weber6 patents · 162 citations
- 1638Richard L. Eller6 patents · 162 citations
- 1733Matthias Krull75 patents · 961 citations
- 1829Brian Foody29 patents · 382 citations
- 1925Lewis L. Rich12 patents · 158 citations
- 2021Paul R. Stevenson21 patents · 294 citations
- 2117Jukka Myllyoja29 patents · 288 citations
- 2213Sheryl B. Rubin-Pitel29 patents · 387 citations
- 238Kenneth C. H. Kar15 patents · 291 citations
- 244Steve Filips12 patents · 142 citations
- 251Jonathan Hale Perkins12 patents · 181 citations
All-time canon
Career PatentIndex Score in C10L
- 199George Rudenko21 patents · 1,065 citations
- 296Aravind Somanchi20 patents · 1,050 citations
- 392Karen Espina15 patents · 919 citations
- 488Penelope Chua15 patents · 919 citations
- 583James A. Mennell32 patents · 586 citations
- 679Daniel J. Despen26 patents · 535 citations
- 775Armand A. Gregoli11 patents · 1,636 citations
- 871John A. Hamshar11 patents · 1,604 citations
- 967Daniel P. Rimmer10 patents · 1,600 citations
- 1063Douglas C. Comrie31 patents · 876 citations
- 1158Marshall Medoff105 patents · 1,082 citations
- 1254Stanley Nemec Milam19 patents · 636 citations
- 1350Bertrand Ray Klussmann25 patents · 443 citations
- 1446Carter James White20 patents · 388 citations
- 1542Deborah Langer10 patents · 982 citations
- 1638David L. Westfall8 patents · 888 citations
- 1733Antonio Gutierrez122 patents · 2,996 citations
- 1829Robert H. Wollenberg26 patents · 1,685 citations
- 1925Robert D. Lundberg97 patents · 2,297 citations
- 2021Robert J. Wittenbrink23 patents · 1,216 citations
- 2117Bruce R. Cook16 patents · 898 citations
- 2213Harshida Dave5 patents · 771 citations
- 238Helmut Schulz6 patents · 784 citations
- 244Charles B. Benham10 patents · 779 citations
- 251Dennis L. Yakobson10 patents · 753 citations
Rising· last 2 yrs
The top-scoring C10L patents made public in the last 2 years
- 199US12139681B1✦ AISystem and method for producing renewable natural gas from biogas10 cites · 202481% earned
- 296US12139682B1✦ AISystem and method for producing renewable natural gas from biogas8 cites · 202480% earned
- 392US11980846B1✦ AISystem and method for producing renewable natural gas from biogas12 cites · 202488% earned
- 488US12454654B1System and method for producing renewable natural gas from biogas4 cites · 202582% earned
- 583US11884884B1Hydrocarbon compositions derived from pyrolysis of post-consumer and/or post-industrial pl9 cites · 202477% earned
- 679US11994259B2Renewable diesel interface recombination8 cites · 202473% earned
- 775US11912947B1Fluid bed lipid conversion8 cites · 202486% earned
- 871US12083476B2Heterogeneous desulfurization catalyst6 cites · 202468% earned
- 967US11919847B1Method for producing high-performance aviation fuel blendstocks from monoterpenes5 cites · 202484% earned
- 1063US11946007B1Natural gas separation and purification and mercury collection system for oil and gas well4 cites · 202482% earned
- 1158US12215289B2High-quality coke products2 cites · 202461% earned
- 1254US12122972B1Process for removing hydrogen sulfide from sour gases with a layered triple hydroxide ZIF-2 cites · 202467% earned
- 1350US12128356B1Process for removing hydrogen sulfide from sour gases with ZIF-67 supported on mixed metal2 cites · 202467% earned
- 1446US11987490B1Predictive blending of oxygenated gasoline2 cites · 202467% earned
- 1542US12264288B1System and method for cleaning of biogas2 cites · 202576% earned
- 1638US12378491B1System and method for producing renewable natural gas from biogas1 cites · 202567% earned
- 1733US12492349B2Hydrocarbon liquid based chemical compositions and treatment methods using same for remedi1 cites · 202567% earned
- 1829US11884890B1Gasoline additive composition for improved engine performance3 cites · 202480% earned
- 1925US12502640B1Apparatus and method for purification of gas mixtures1 cites · 202567% earned
- 2021US12018221B2Synthetic fuels, and methods and apparatus for production thereof2 cites · 202467% earned
- 2117US12338406B2Method and system for producing a fuel from biogas1 cites · 202450% earned
- 2213US12515167B2Purification of methane containing gas streams using selective membrane separation2 cites · 202476% earned
- 238US12281273B1System and method for cleaning of biogas1 cites · 202567% earned
- 244US11988178B2System and methods for propulsion and powering systems using recyclable metallic fuels2 cites · 202476% earned
- 251US12098340B1Microwave assisted synthesis of greenly synthesized magnetic hydrochar nanocomposite obtai1 cites · 202467% earned
Active· last 5 yrs
The top-scoring C10L patents of the last 5 years
- 199US11802257B2✦ AISystems and methods for reducing rendered fats pour point28 cites · 202383% earned
- 296US11124714B2✦ AILow sulfur fuel oil blends for stability enhancement and associated methods41 cites · 202176% earned
- 392US11451059B2✦ AISystems and methods for generating and consuming power from natural gas23 cites · 202274% earned
- 488US11851723B2Carbon-negative metallurgical products22 cites · 202280% earned
- 583US10899983B1High napthenic content marine fuel compositions30 cites · 202183% earned
- 679US12139681B1System and method for producing renewable natural gas from biogas10 cites · 202481% earned
- 775US12139682B1System and method for producing renewable natural gas from biogas8 cites · 202480% earned
- 871US11980846B1System and method for producing renewable natural gas from biogas12 cites · 202488% earned
- 967US12454654B1System and method for producing renewable natural gas from biogas4 cites · 202582% earned
- 1063US11987763B2Processes for producing biocarbon pellets with high fixed-carbon content and optimized rea15 cites · 202389% earned
- 1158US11339341B1Biofuel product with fat, oil and/or grease components18 cites · 202284% earned
- 1254US11270393B2Systems and methods for holistic low carbon intensity fuel production17 cites · 202270% earned
- 1350US11946001B2Process and system for producing fuel10 cites · 202378% earned
- 1446US12103892B2Biocarbon compositions with optimized compositional parameters, and processes for producin13 cites · 202383% earned
- 1542US11884884B1Hydrocarbon compositions derived from pyrolysis of post-consumer and/or post-industrial pl9 cites · 202477% earned
- 1638US11789414B2Systems and methods for holistic low carbon intensity fuel production11 cites · 202378% earned
- 1733US11994259B2Renewable diesel interface recombination8 cites · 202473% earned
- 1829US11912947B1Fluid bed lipid conversion8 cites · 202486% earned
- 1925US11760630B2Process and system for producing low carbon intensity renewable hydrogen10 cites · 202381% earned
- 2021US11939531B2Alkali-enhanced hydrothermal purification of plastic pyrolysis oils15 cites · 202283% earned
- 2117US11535804B2Biofuel product with fat, oil and/or grease components9 cites · 202277% earned
- 2213US11535812B2Apparatus and method for collection and disposal of fats, oil and grease9 cites · 202281% earned
- 238US11767482B2High-quality coke products11 cites · 202178% earned
- 244US11746301B2Method and system for producing a chemical or fuel8 cites · 202269% earned
- 251US12083476B2Heterogeneous desulfurization catalyst6 cites · 202468% earned
All-time canon
The defining C10L patents of the whole record
- 199US4234435A✦ AINovel carboxylic acid acylating agents, derivatives thereof, concentrate and lubricant com1,870 cites · 198096% earned
- 296US4992605A✦ AIProduction of hydrocarbons with a relatively high cetane rating593 cites · 199195% earned
- 392US5705722A✦ AIConversion of biomass feedstock to diesel fuel additive495 cites · 199895% earned
- 488US6685754B2Method for the production of hydrogen-containing gaseous mixtures474 cites · 200390% earned
- 583US5316664AProcess for recovery of hydrocarbons and rejection of sand401 cites · 199495% earned
- 679US5340467AProcess for recovery of hydrocarbons and rejection of sand386 cites · 199495% earned
- 775US4133825AProduction of substitute natural gas357 cites · 197994% earned
- 871US4983319APreparation of low-viscosity improved stable crude oil transport emulsions349 cites · 199194% earned
- 967US4612132AModified succinimides332 cites · 198694% earned
- 1063US5040551AOptimizing the oxidation of carbon monoxide328 cites · 199194% earned
- 1158US4863623ANovel VI improver, dispersant, and anti-oxidant additive and lubricating oil composition c325 cites · 198994% earned
- 1254US4130575AProcess for preparing methane rich gases321 cites · 197894% earned
- 1350US3948800ADispersant compositions305 cites · 197694% earned
- 1446US4152119ABriquette comprising caking coal and municipal solid waste303 cites · 197994% earned
- 1542US5578090ABiodiesel fuel300 cites · 199694% earned
- 1638US5908946AProcess for the production of esters from vegetable oils or animal oils alcohols285 cites · 199994% earned
- 1733US4454059ANitrogenous dispersants, lubricants and concentrates containing said nitrogenous dispersan279 cites · 198494% earned
- 1829US4231759ALiquid hydrocarbon fuels containing high molecular weight Mannich bases277 cites · 198094% earned
- 1925US4100082ALubricants containing amino phenol-detergent/dispersant combinations270 cites · 197894% earned
- 2021US6174501B1System and process for producing biodiesel fuel with reduced viscosity and a cloud point b267 cites · 200194% earned
- 2117US6383237B1Process and apparatus for making aqueous hydrocarbon fuel compositions, and aqueous hydroc265 cites · 200294% earned
- 2213US4171959AFuel composition containing quaternary ammonium salts of succinimides264 cites · 197994% earned
- 238US4877416ASynergistic fuel compositions264 cites · 198994% earned
- 244US6015440AProcess for producing biodiesel fuel with reduced viscosity and a cloud point below thirty260 cites · 200094% earned
- 251US5241003AAshless dispersants formed from substituted acylating agents and their production and use259 cites · 199394% earned
Rising· last 2 yrs
Assignees whose newest C10L patents became public in the last 2 years — the current frontier
- 199LUBRIZOL CORP271 patents · 9,757 citations
- 296CARBON TECH HOLDINGS LLC33 patents · 316 citations
- 392CHEVRON USA INC108 patents · 1,884 citations
- 488MAGEMA TECH LLC10 patents · 182 citations
- 583AIR PROD & CHEM19 patents · 567 citations
- 679AFTON CHEMICAL CORP72 patents · 722 citations
- 775MARATHON PETROLEUM CO LP29 patents · 347 citations
- 871UOP LLC110 patents · 984 citations
- 967IOGEN CORP42 patents · 421 citations
- 1063SAUDI ARABIAN OIL CO168 patents · 419 citations
- 1158CHEVRON ORONITE CO25 patents · 325 citations
- 1254MAWETAL LLC32 patents · 121 citations
- 1350MITSUBISHI HEAVY IND LTD49 patents · 256 citations
- 1446SUNCOKE TECH & DEVELOPMENT LLC12 patents · 121 citations
- 1542IFP ENERGIES NOW28 patents · 236 citations
- 1638COLORADO SCHOOL OF MINES5 patents · 212 citations
- 1733BASF SE101 patents · 278 citations
- 1829INFINEUM INT LTD35 patents · 221 citations
- 1925MAGĒMĀ TECH LLC11 patents · 91 citations
- 2021POET RES INC14 patents · 77 citations
- 2117US NAVY61 patents · 255 citations
- 2213CALIFORNIA INST OF TECHN14 patents · 88 citations
- 238WM INTELLECTUAL PROPERTY HOLDINGS L L C11 patents · 61 citations
- 244ECOLAB USA INC34 patents · 82 citations
- 251REG SYNTHETIC FUELS LLC20 patents · 67 citations
Active· last 5 yrs
Sustained C10L output across the last 5 years
- 199LUBRIZOL CORP271 patents · 9,757 citations
- 296SHELL OIL CO260 patents · 4,419 citations
- 392CARBON TECH HOLDINGS LLC33 patents · 316 citations
- 488NOX II LTD23 patents · 446 citations
- 583CHEVRON USA INC108 patents · 1,884 citations
- 679EXXONMOBIL RES & ENG CO120 patents · 1,576 citations
- 775MAGEMA TECH LLC10 patents · 182 citations
- 871GEN ELECTRIC47 patents · 812 citations
- 967AIR PROD & CHEM19 patents · 567 citations
- 1063AFTON CHEMICAL CORP72 patents · 722 citations
- 1158MARATHON PETROLEUM CO LP29 patents · 347 citations
- 1254UOP LLC110 patents · 984 citations
- 1350FULCRUM BIOENERGY INC13 patents · 174 citations
- 1446EXXONMOBIL UPSTREAM RES CO32 patents · 448 citations
- 1542IOGEN CORP42 patents · 421 citations
- 1638SAUDI ARABIAN OIL CO168 patents · 419 citations
- 1733CONOCOPHILLIPS CO25 patents · 360 citations
- 1829IDEMITSU KOSAN CO13 patents · 317 citations
- 1925CHEVRON ORONITE CO25 patents · 325 citations
- 2021JGC CORP19 patents · 237 citations
- 2117MASSACHUSETTS INST TECHNOLOGY8 patents · 177 citations
- 2213MAWETAL LLC32 patents · 121 citations
- 238CRUSOE ENERGY SYSTEMS INC5 patents · 113 citations
- 244ENSYN RENEWABLES INC18 patents · 133 citations
- 251MITSUBISHI HEAVY IND LTD49 patents · 256 citations
All-time canon
All-time PatentIndex Score in C10L
- 199LUBRIZOL CORP271 patents · 9,757 citations
- 296SHELL OIL CO260 patents · 4,419 citations
- 392OCCIDENTAL PETROLEUM CANADA12 patents · 1,704 citations
- 488FRANKLIN SCOTT11 patents · 551 citations
- 583TEXACO INC273 patents · 6,286 citations
- 679CARBON TECH HOLDINGS LLC33 patents · 316 citations
- 775CHEVRON RES98 patents · 3,974 citations
- 871EXXON RESEARCH ENGINEERING CO235 patents · 6,015 citations
- 967XYLECO INC90 patents · 858 citations
- 1063MOBIL OIL CORP395 patents · 9,262 citations
- 1158ETHYL CORP133 patents · 3,858 citations
- 1254EXXON CHEMICAL PATENTS INC267 patents · 6,555 citations
- 1350SOLAZYME INC9 patents · 492 citations
- 1446NOX II LTD23 patents · 446 citations
- 1542CHEVRON CHEM CO82 patents · 1,609 citations
- 1638CHEVRON RES & TECH18 patents · 1,237 citations
- 1733COMRIE DOUGLAS C9 patents · 430 citations
- 1829BASF AG117 patents · 2,873 citations
- 1925INST FRANCAIS DU PETROLE129 patents · 3,195 citations
- 2021DYNECOLOGY INC6 patents · 784 citations
- 2117RENTECH INC9 patents · 745 citations
- 2213TRIMBUR DONALD E10 patents · 358 citations
- 238WELLINGTON SCOTT LEE7 patents · 223 citations
- 244ATLANTIC RICHFIELD CO64 patents · 1,620 citations
- 251ROHM & HAAS36 patents · 1,062 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth