Inventor · disambiguated record
Joseph W. Roos
Also filed as: ROOS JOSEPH · ROOS JOSEPH W
29 granted patents·23 pending applications·154 citations·filing 1990–2022
96Inventor score
Files withAFTON CHEMICAL CORP19ETHYL CORP7ARADI ALLEN A6CUNNINGHAM LAWRENCE J4AFTON CHEMICAL INTANGIBLES LLC2
Top patents by PatentIndex Score
52 records- 0191US10221267B2Microstructure-controlled copolymers of ethylene and C3-C10 alpha-olefinsAFTON CHEMICAL CORP·Filed 2016·Granted Mar 5, 2019·4 cites·22 claims
- 0290US6629407B2Lean burn emissions system protectant composition and methodETHYL CORP·Filed 2000·Granted Oct 7, 2003·38 cites·22 claims
- 0388US7743738B2Scavenging phosphorus, sulfur, and lead from combustion exhaust using tungsten compounds and lubricantAFTON CHEMICAL CORP·Filed 2007·Granted Jun 29, 2010·11 cites·33 claims
- 0486US7775166B2Method of using nanoalloy additives to reduce plume opacity, slagging, fouling, corrosion and emissionsAFTON CHEMICAL CORP·Filed 2007·Granted Aug 17, 2010·7 cites·30 claims
- 0583US11441458B2Gasoline particulate filters with high initial filtering efficiency and methods of making sameAFTON CHEMICAL CORP·Filed 2020·Granted Sep 13, 2022·1 cites·7 claims
- 0683US10774722B2Predictive methods for emissions control systems performanceAFTON CHEMICAL CORP·Filed 2018·Granted Sep 15, 2020·2 cites·11 claims
- 0782US10774708B2Gasoline particulate filters with high initial filtering efficiency and methods of making sameAFTON CHEMICAL CORP·Filed 2018·Granted Sep 15, 2020·1 cites·4 claims
- 0882US7878160B2Surface passivation and to methods for the reduction of fuel thermal degradation depositsAFTON CHEMICAL CORP·Filed 2007·Granted Feb 1, 2011·3 cites·20 claims
- 0982US6821932B2Delivering molybdenum from a lubricant source into a fuel combustion systemETHYL CORP·Filed 2002·Granted Nov 23, 2004·22 cites·34 claims
- 1081US11401855B2Predictive methods for emissions control systems performanceAFTON CHEMICAL CORP·Filed 2020·Granted Aug 2, 2022·1 cites·4 claims
- 1179US7276094B2Mixed metal catalyst additive and method for use in hydrocarbonaceous fuel combustion systemAFTON CHEMICAL CORP·Filed 2003·Granted Oct 2, 2007·11 cites·9 claims
- 1278US10584297B2Polyolefin-derived dispersantsAFTON CHEMICAL CORP·Filed 2016·Granted Mar 10, 2020·1 cites·24 claims
- 1378US6971337B2Emissions control system for diesel fuel combustion after treatment systemETHYL CORP·Filed 2002·Granted Dec 6, 2005·11 cites·8 claims
- 1477US7794512B2Supplying tungsten to a combustion system or combustion system exhaust stream containing ironAFTON CHEMICAL CORP·Filed 2007·Granted Sep 14, 2010·2 cites·6 claims
- 1576US8603200B2Compositions comprising combustion improvers and methods of use thereofARADI ALLEN A·Filed 2009·Granted Dec 10, 2013·2 cites·19 claims
- 1674US11584897B2Lubricant formulations with silicon-containing compoundsAFTON CHEMICAL CORP·Filed 2021·Granted Feb 21, 2023·1 cites·10 claims
- 1773US7862628B2Mixed metal catalyst additive and method for use in hydrocarbonaceous fuel combustion systemETHYL PETROLEUM ADDITIVES INC·Filed 2007·Granted Jan 4, 2011·1 cites·15 claims
- 1872US11091613B2Microstructure-controlled copolymers of ethylene and C3-C10 alpha-olefinsAFTON CHEMICAL CORP·Filed 2019·Granted Aug 17, 2021·0 cites·19 claims
- 1969US6941743B2Lean burn emissions system protectant composition and methodETHYL CORP·Filed 2003·Granted Sep 13, 2005·6 cites·32 claims
- 2068US2021171678A1Microstructure-controlled copolymers of ethylene and c3-c10 alpha-olefinsAFTON CHEMICAL CORP·Filed 2018·Application pending·0 cites
- 2167US9587190B2Fuel composition and method of formulating a fuel composition to reduce real-world driving cycle particulate emissionsMEFFERT MICHAEL WAYNE·Filed 2014·Granted Mar 7, 2017·1 cites·11 claims
- 2264US7553343B2Fuels compositions for direct injection gasoline engines containing manganese compoundsAFTON CHEMICAL INTANGIBLES LLC·Filed 2000·Granted Jun 30, 2009·4 cites·26 claims
- 2362US8006652B2Emissions control system for diesel fuel combustion after treatment systemAFTON CHEMICAL INTANGIBLES LLC·Filed 2005·Granted Aug 30, 2011·2 cites·54 claims
- 2461US2021070900A1Polyolefin-derived dispersantsAFTON CHEMICAL CORP·Filed 2018·Application pending·0 cites
- 2559US2008168709A1Safe combustion additives and methods of formulationARADI ALLEN A·Filed 2007·Application pending·0 cites
- 2656US7341447B2Delivering manganese from a lubricant source into a fuel combustion systemAFTON CHEMICAL INTANGIBLES·Filed 2002·Granted Mar 11, 2008·2 cites·28 claims
- 2756US2023383211A1Engine oil formluation for controlling particulate emissionsAFTON CHEMICAL CORP·Filed 2022·Application pending·0 cites
- 2854US2004254081A1Delivering manganese from a lubricant source into a fuel combustion systemFiled 2004·Application pending·0 cites
- 2953US7332001B2Method of enhancing the operation of diesel fuel combustion systemsAFTON CHEMICAL CORP·Filed 2003·Granted Feb 19, 2008·5 cites·16 claims
- 3052US2010304962A1Safe combustion additive and methods of formulationARADI ALLEN A·Filed 2010·Application pending·0 cites
- 3151US2008086935A1Method and compositions for reducing corrosion in engines combusting ethanol-containing fuelsCUNNINGHAM LAWRENCE J·Filed 2006·Application pending·0 cites
- 3251US2008086933A1Volatility agents as fuel additives for ethanol-containing fuelsCUNNINGHAM LAWRENCE J·Filed 2006·Application pending·0 cites
- 3351US2008086934A1Protecting fuel delivery systems in engines combusting ethanol-containing fuelsCUNNINGHAM LAWRENCE J·Filed 2006·Application pending·0 cites
- 3451US2021371765A1Use of zirconium compound to improve low speed pre-ignition performanceAFTON CHEMICAL CORP·Filed 2021·Application pending·0 cites
- 3551US2008086936A1Method and compositions for reducing wear in engines combusting ethanol-containing fuelsCUNNINGHAM LAWRENCE J·Filed 2006·Application pending·0 cites
- 3650US8241599B2Method of using volatile organometallics as biomass gasification catalystsARADI ALLEN·Filed 2009·Granted Aug 14, 2012·0 cites·39 claims
- 3750US2009031614A1Environmentally-Friendly Fuel CompositionsMACPHERSON IAN·Filed 2007·Application pending·0 cites
- 3848US2005011413A1Lowering the amount of carbon in fly ash from burning coal by a manganese additive to the coalFiled 2003·Application pending·0 cites
- 3948US2010212216A1Supplying tungsten to a combustion system or combustion system exhaust stream containing ironARADI ALLEN A·Filed 2010·Application pending·0 cites
- 4048US2010300929A1Compositions and methods for improving a catalytic reformerARADI ALLEN A·Filed 2009·Application pending·0 cites
- 4146US2008098644A1Conductivity improving combination of cerium oxide and detergents for diesel fuelsAFTON CHEMICAL CORP·Filed 2007·Application pending·0 cites
- 4245US2004074140A1Method of enhancing the operation of a diesel fuel combustion after treatment systemFiled 2002·Application pending·0 cites
- 4345US2004074230A1Method of oxidizing soot and reducing soot accumulation in a diesel fuel combustion after treatment systemFiled 2002·Application pending·0 cites
- 4444US5175305AProcess for preparing N,N'-bis(tetrabromophthalimide)ETHYL CORP·Filed 1991·Granted Dec 29, 1992·2 cites·13 claims
- 4543US2008022585A1Method of enhancing the operation of diesel fuel combustion systemsGUINTHER GREGORY H·Filed 2007·Application pending·0 cites
- 4642US5076970AFlame retardant n,n'-bis(tetrabromophthalimide) compositionETHYL CORP·Filed 1990·Granted Dec 31, 1991·5 cites·6 claims
- 4742US2004040201A1Ultra-low sulfur fuel compositions containing organometallic additivesFiled 2001·Application pending·0 cites
- 4841US2008066375A1Diesel fuel additives containing cerium or manganese and detergentsROOS JOSEPH W·Filed 2006·Application pending·0 cites
- 4940US5511517AReducing exhaust emissions from otto-cycle enginesETHYL CORP·Filed 1994·Granted Apr 30, 1996·8 cites·14 claims
- 5040US2011315931A1Nanoparticle catalysts and method of using the same for biomass gasificationARADI ALLEN A·Filed 2011·Application pending·0 cites
Showing the top 50 of 52 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Joseph W. Roos files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →