Assignee
CLEAN DIESEL TECH INC
US·49 granted patents·17 pending applications·2,249 citations·filing 1995–2017
Top patents by PatentIndex Score
66 records- 0198US6063350AReducing nox emissions from an engine by temperature-controlled urea injection for selective catalytic reductionCLEAN DIESEL TECH INC·Filed 1998·Granted May 16, 2000·392 cites·11 claims
- 0298US5809775AReducing NOx emissions from an engine by selective catalytic reduction utilizing solid reagentsCLEAN DIESEL TECH INC·Filed 1997·Granted Sep 22, 1998·225 cites·16 claims
- 0398US5809774ASystem for fueling and feeding chemicals to internal combustion engines for NOx reductionCLEAN DIESEL TECH INC·Filed 1996·Granted Sep 22, 1998·172 cites·20 claims
- 0497US9604175B2Three-way catalyst systems including Nb—Zr—Al-mixed oxide supports, Ba—Pd, and Rh—Fe material compositionsCLEAN DIESEL TECH INC·Filed 2015·Granted Mar 28, 2017·23 cites·20 claims
- 0597US5976475AReducing NOx emissions from an engine by temperature-controlled urea injection for selective catalytic reductionCLEAN DIESEL TECH INC·Filed 1997·Granted Nov 2, 1999·231 cites·10 claims
- 0696US6361754B1Reducing no emissions from an engine by on-demand generation of ammonia for selective catalytic reductionCLEAN DIESEL TECH INC·Filed 1997·Granted Mar 26, 2002·168 cites·13 claims
- 0796US6203770B1Urea pyrolysis chamber and process for reducing lean-burn engine NOx emissions by selective catalytic reductionCLEAN DIESEL TECH INC·Filed 1999·Granted Mar 20, 2001·143 cites·3 claims
- 0896US6051040AMethod for reducing emissions of NOx and particulates from a diesel engineCLEAN DIESEL TECH INC·Filed 1997·Granted Apr 18, 2000·124 cites·18 claims
- 0996US5924280AReducing NOx emissions from an engine while maximizing fuel economyCLEAN DIESEL TECH INC·Filed 1997·Granted Jul 20, 1999·184 cites·5 claims
- 1095US5968464AUrea pyrolysis chamber and process for reducing lean-burn engine NOx emissions by selective catalytic reductionCLEAN DIESEL TECH INC·Filed 1997·Granted Oct 19, 1999·146 cites·13 claims
- 1194US9579604B2Base metal activated rhodium coatings for catalysts in three-way catalyst (TWC) applicationsCLEAN DIESEL TECH INC·Filed 2015·Granted Feb 28, 2017·5 cites·14 claims
- 1294US9475004B2Rhodium-iron catalystsCLEAN DIESEL TECH INC·Filed 2015·Granted Oct 25, 2016·6 cites·20 claims
- 1394US6003303AMethods for reducing harmful emissions from a diesel engineCLEAN DIESEL TECH INC·Filed 1995·Granted Dec 21, 1999·129 cites·22 claims
- 1493US9511358B2Spinel compositions and applications thereofCLEAN DIESEL TECH INC·Filed 2014·Granted Dec 6, 2016·10 cites·50 claims
- 1593US9475005B2Three-way catalyst systems including Fe-activated Rh and Ba-Pd material compositionsCLEAN DIESEL TECH INC·Filed 2015·Granted Oct 25, 2016·7 cites·18 claims
- 1692US9861964B1Enhanced catalytic activity at the stoichiometric condition of zero-PGM catalysts for TWC applicationsCLEAN DIESEL TECH INC·Filed 2016·Granted Jan 9, 2018·4 cites·11 claims
- 1789US10265684B2Highly active and thermally stable coated gasoline particulate filtersCLEAN DIESEL TECH INC·Filed 2017·Granted Apr 23, 2019·4 cites·25 claims
- 1887US7473288B2Particulate matter reducing apparatusCLEAN DIESEL TECH INC·Filed 2004·Granted Jan 6, 2009·38 cites·7 claims
- 1985US6948926B2Reduced-emissions combustion utilizing multiple-component metallic combustion catalystCLEAN DIESEL TECH INC·Filed 2002·Granted Sep 27, 2005·30 cites·8 claims
- 2084US7063729B2Low-emissions diesel fuelCLEAN DIESEL TECH INC·Filed 2002·Granted Jun 20, 2006·17 cites·11 claims
- 2184US5819529AMethod for reducing emissions from two-stroke enginesCLEAN DIESEL TECH INC·Filed 1997·Granted Oct 13, 1998·40 cites·6 claims
- 2283US7216681B2Gravity feed ball-in-seat valve with extension unit for dosing fuel additivesCLEAN DIESEL TECH INC·Filed 2005·Granted May 15, 2007·17 cites·5 claims
- 2382US10533472B2Application of synergized-PGM with ultra-low PGM loadings as close-coupled three-way catalysts for internal combustion enginesCLEAN DIESEL TECH INC·Filed 2017·Granted Jan 14, 2020·2 cites·4 claims
- 2482US9731279B2Thermal stability of copper-manganese spinel as Zero PGM catalyst for TWC applicationCLEAN DIESEL TECH INC·Filed 2014·Granted Aug 15, 2017·3 cites·13 claims
- 2580US6023928AMethod for reducing emissions from a diesel engineCLEAN DIESEL TECH INC·Filed 1998·Granted Feb 15, 2000·53 cites·3 claims
- 2679US9427730B2Bimetallic synergized PGM catalyst systems for TWC applicationCLEAN DIESEL TECH INC·Filed 2014·Granted Aug 30, 2016·2 cites·32 claims
- 2779US7743737B2Engine on pulsed fuel additive concentrate dosing system and controllerCLEAN DIESEL TECH INC·Filed 2005·Granted Jun 29, 2010·10 cites·17 claims
- 2878US9517449B2Optimization of washcoat adhesion of zero-PGM catalyst on metallic substratesCLEAN DIESEL TECH INC·Filed 2013·Granted Dec 13, 2016·3 cites·9 claims
- 2977US9511355B2System and methods for using synergized PGM as a three-way catalystCLEAN DIESEL TECH INC·Filed 2013·Granted Dec 6, 2016·2 cites·20 claims
- 3077US7964154B2Diesel particulate controlCLEAN DIESEL TECH INC·Filed 2007·Granted Jun 21, 2011·8 cites·7 claims
- 3174US9433930B2Methods for selecting and applying a layer of Cu—Mn spinel phase to ZPGM catalyst systems for TWC applicationCLEAN DIESEL TECH INC·Filed 2013·Granted Sep 6, 2016·2 cites·18 claims
- 3273US9468912B2Zero PGM catalyst including Cu—Co—Mn ternary spinel for TWC applicationsCLEAN DIESEL TECH INC·Filed 2014·Granted Oct 18, 2016·3 cites·9 claims
- 3372US10253669B2Application of synergized-PGM with ultra-low PGM loadings as underfloor three-way catalysts for internal combustion enginesCLEAN DIESEL TECH INC·Filed 2017·Granted Apr 9, 2019·1 cites·7 claims
- 3472US9700841B2Synergized PGM close-coupled catalysts for TWC applicationsCLEAN DIESEL TECH INC·Filed 2015·Granted Jul 11, 2017·1 cites·13 claims
- 3571US6124130AMicrobial catalyst for desulfurization of fossil fuelsCLEAN DIESEL TECH INC·Filed 1998·Granted Sep 26, 2000·22 cites·14 claims
- 3670US9511353B2Firing (calcination) process and method related to metallic substrates coated with ZPGM catalystCLEAN DIESEL TECH INC·Filed 2013·Granted Dec 6, 2016·1 cites·20 claims
- 3770US9498767B2Systems and methods for providing ZPGM perovskite catalyst for diesel oxidation applicationsCLEAN DIESEL TECH INC·Filed 2013·Granted Nov 22, 2016·1 cites·14 claims
- 3869US7523722B2Fuel additive concentrate dosing systemCLEAN DIESEL TECH INC·Filed 2005·Granted Apr 28, 2009·8 cites·7 claims
- 3969US7285140B2Low-emissions diesel fuel blendCLEAN DIESEL TECH INC·Filed 2003·Granted Oct 23, 2007·5 cites·16 claims
- 4065US9486784B2Thermally stable compositions of OSM free of rare earth metalsCLEAN DIESEL TECH INC·Filed 2014·Granted Nov 8, 2016·0 cites·20 claims
- 4164US9771534B2Diesel exhaust treatment systems and methodsCLEAN DIESEL TECH INC·Filed 2013·Granted Sep 26, 2017·1 cites·17 claims
- 4264US9545626B2Optimization of Zero-PGM washcoat and overcoat loadings on metallic substrateCLEAN DIESEL TECH INC·Filed 2013·Granted Jan 17, 2017·1 cites·14 claims
- 4364US9486783B2Systems and methods for using copper-manganese spinel as active phase for diesel oxidation applicationsCLEAN DIESEL TECH INC·Filed 2014·Granted Nov 8, 2016·0 cites·21 claims
- 4462US9555400B2Synergized PGM catalyst systems including platinum for TWC applicationCLEAN DIESEL TECH INC·Filed 2014·Granted Jan 31, 2017·0 cites·15 claims
- 4562US9216384B2Method for improving lean performance of PGM catalyst systems: synergized PGMCLEAN DIESEL TECH INC·Filed 2014·Granted Dec 22, 2015·0 cites·15 claims
- 4660US9610570B2Methods and processes of coating zero-PGM catalysts including with Cu, Mn, Fe for TWC applicationsCLEAN DIESEL TECH INC·Filed 2014·Granted Apr 4, 2017·2 cites·13 claims
- 4757US2018290128A1Nitrogen Oxide Oxidation Activity of Pseudo-Brookite Compositions as Zero-PGM Catalysts for Diesel Oxidation ApplicationsCLEAN DIESEL TECH INC·Filed 2016·Application pending·0 cites
- 4857US2016361711A1Zero-PGM TWC with High Redox ReversibilityCLEAN DIESEL TECH INC·Filed 2016·Application pending·0 cites
- 4957US2016361710A1Reversibility of Copper-Manganese Binary Spinel Structure under Reduction-Oxidation ConditionsCLEAN DIESEL TECH INC·Filed 2016·Application pending·0 cites
- 5056US2017095794A1NO Oxidation Activity of Pseudo-brookite Compositions as Zero-PGM Catalysts for Diesel Oxidation ApplicationsCLEAN DIESEL TECH INC·Filed 2015·Application pending·0 cites
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