Inventor
BERGEAL DAVID
GB19 patents
⚠️ This page may combine multiple inventors who share the name “BERGEAL DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JOHNSON MATTHEY PLC
15 patentsUS9034286B2May 19, 2015
Oxidation catalyst for treating the exhaust gas of a compression ignition engine
JOHNSON MATTHEY PLC32 citations97
US9707542B2Jul 18, 2017
Oxidation catalyst for a compression ignition engine
JOHNSON MATTHEY PLC23 citations94
US10625208B2Apr 21, 2020
Oxidation catalyst for treating the exhaust gas of a compression ignition engine
JOHNSON MATTHEY PLC15 citations93
US9527034B2Dec 27, 2016
Oxidation catalyst for treating the exhaust gas of a compression ignition engine
JOHNSON MATTHEY PLC28 citations93
US9527035B2Dec 27, 2016
Catalysed soot filter for treating the exhaust gas of a compression ignition engine
JOHNSON MATTHEY PLC16 citations92
US9057310B2Jun 16, 2015
Catalysed soot filter for treating the exhaust gas of a compression ignition engine
JOHNSON MATTHEY PLC10 citations92
US7998424B2Aug 16, 2011
Exhaust system comprising zoned oxidation catalyst
JOHNSON MATTHEY PLC30 citations92
US10537879B2Jan 21, 2020
Catalyst and method of preparation
JOHNSON MATTHEY PLC7 citations84
US10279314B2May 7, 2019
Oxidation catalyst for treating the exhaust gas of a compression ignition engine
JOHNSON MATTHEY PLC5 citations83
US11359530B2Jun 14, 2022
Exhaust system comprising a passive NOx adsorber
JOHNSON MATTHEY PLC0 citations62
US12129778B2Oct 29, 2024
System comprising vehicular compression ignition engine and an emissions control device comprising an electrically heatable element
JOHNSON MATTHEY PLC0 citations61
US11808190B2Nov 7, 2023
System comprising vehicular compression ignition engine and an emissions control device comprising an electrically heatable element
JOHNSON MATTHEY PLC0 citations61
US11401852B2Aug 2, 2022
In-exhaust electrical element for NOx storage catalyst and SCR systems
JOHNSON MATTHEY PLC0 citations54
US9528423B2Dec 27, 2016
On-board diagnostics system for catalyzed substrate
JOHNSON MATTHEY PLC0 citations52
US9138724B2Sep 22, 2015
Oxidation catalyst for a combustion engine
JOHNSON MATTHEY PLC0 citations52
BERGEAL DAVID
3 patentsUS9140167B2Sep 22, 2015
Oxidation catalyst for a lean burn internal combustion engine
BERGEAL DAVID13 citations79
US9273583B2Mar 1, 2016
Exhaust system for a vehicle having a “stop-start” compression ignition engine
BERGEAL DAVID3 citations71
US11280240B2Mar 22, 2022
Exhaust system including SCRF catalyst with oxidation zone
BERGEAL DAVID0 citations53