Inventor
PATCHETT JOSEPH A
US43 patents
⚠️ This page may combine multiple inventors who share the name “PATCHETT JOSEPH A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF CORP
26 patentsUS7902107B2Mar 8, 2011
Catalyzed SCR filter and emission treatment system
BASF CORP64 citations99
US8735311B2May 27, 2014
Copper CHA zeolite catalysts
BASF CORP27 citations96
US7919051B2Apr 5, 2011
Emission treatment system with NSR and SCR catalysts
BASF CORP17 citations93
US9757717B2Sep 12, 2017
Method for disposing SCR composition on a wall flow monolith
BASF CORP8 citations92
US9656254B2May 23, 2017
Copper CHA zeolite catalysts
BASF CORP7 citations92
US9517456B2Dec 13, 2016
Catalyzed SCR filter and emission treatment system
BASF CORP10 citations92
US9517455B2Dec 13, 2016
Catalyzed SCR filter and emission treatment system
BASF CORP6 citations92
US9162218B2Oct 20, 2015
Copper CHA zeolite catalysts
BASF CORP20 citations92
US9144795B2Sep 29, 2015
Catalyzed SCR filter and emission treatment system
BASF CORP10 citations92
US9138732B2Sep 22, 2015
Copper CHA zeolite catalysts
BASF CORP14 citations92
US9121327B2Sep 1, 2015
Catalyzed SCR filter and emission treatment system
BASF CORP11 citations92
US9040006B1May 26, 2015
Catalyzed SCR filter and emission treatment method
BASF CORP12 citations92
US9039983B1May 26, 2015
Catalyzed SCR filter and emission treatment system
BASF CORP14 citations92
US9039982B2May 26, 2015
Catalyzed SCR filter and emission treatment system
BASF CORP14 citations92
US9039984B1May 26, 2015
Catalyzed SCR filter and emission treatment system
BASF CORP15 citations92
US10857529B2Dec 8, 2020
Catalyzed SCR filter and emission treatment system
BASF CORP2 citations84
US10258972B2Apr 16, 2019
Catalyzed SCR filter and emission treatment system
BASF CORP4 citations84
US9839905B2Dec 12, 2017
Copper CHA zeolite catalysts
BASF CORP4 citations84
US11331653B2May 17, 2022
Combined NOx absorber and SCR catalyst
BASF CORP2 citations73
US11154847B2Oct 26, 2021
Catalytic article and exhaust gas treatment systems
BASF CORP6 citations70
US10518254B2Dec 31, 2019
Catalyzed SCR filter and emission treatment system
BASF CORP0 citations63
US11845067B2Dec 19, 2023
Copper CHA zeolite catalysts
BASF CORP0 citations62
US11529619B2Dec 20, 2022
Copper CHA zeolite catalysts
BASF CORP0 citations62
US9260995B2Feb 16, 2016
Cyclone particulate filtration for lean burn engines
BASF CORP2 citations60
US10654031B2May 19, 2020
Copper CHA zeolite catalysts
BASF CORP0 citations52
US11266977B2Mar 8, 2022
Vanadium-based selective catalytic reduction catalyst
BASF CORP0 citations46
ENGELHARD CORP
8 patentsUS6125629AOct 3, 2000
Staged reductant injection for improved NOx reduction
ENGELHARD CORP303 citations99
US7150145B2Dec 19, 2006
Control system for mobile NOx SCR applications
ENGELHARD CORP101 citations96
US6662553B2Dec 16, 2003
Control system for mobile NOx SCR applications
ENGELHARD CORP115 citations96
US6415602B1Jul 9, 2002
Control system for mobile NOx SCR applications
ENGELHARD CORP249 citations96
US6826906B2Dec 7, 2004
Exhaust system for enhanced reduction of nitrogen oxides and particulates from diesel engines
ENGELHARD CORP125 citations95
US6162524ADec 19, 2000
Process for recovering catalyst
ENGELHARD CORP57 citations95
US6581374B2Jun 24, 2003
Control system for mobile NOx SCR applications
ENGELHARD CORP73 citations94
US7143578B2Dec 5, 2006
Exhaust system for enhanced reduction of nitrogen oxides and particulates from diesel engines
ENGELHARD CORP57 citations92
BASF MOBILE EMISSIONS CATALYSTS LLC
4 patentsUS12330141B2Jun 17, 2025
Selective catalytic reduction suspension
BASF MOBILE EMISSIONS CATALYSTS LLC0 citations57
US12257573B2Mar 25, 2025
Multifunctional catalyst for hydrocarbon oxidation and selective catalytic reduction of NOx
BASF MOBILE EMISSIONS CATALYSTS LLC0 citations49
US12569810B2Mar 10, 2026
Selective catalytic reduction catalyst and a process for preparing a selective catalytic reduction catalyst
BASF MOBILE EMISSIONS CATALYSTS LLC0 citations47
US12296322B2May 13, 2025
High ammonia storage capacity SCR catalysts
BASF MOBILE EMISSIONS CATALYSTS LLC0 citations46