Inventor
JOHANSEN KELD
DK19 patents
⚠️ This page may combine multiple inventors who share the name “JOHANSEN KELD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HALDOR TOPSOE AS
10 patentsUS5217936AJun 8, 1993
Catalyst for preparing aldehyde
HALDOR TOPSOE AS25 citations89
US6576204B2Jun 10, 2003
Process for the production of alumina
HALDOR TOPSOE AS17 citations83
US5118868AJun 2, 1992
Catalyst for preparing aldehyde
HALDOR TOPSOE AS12 citations70
US10443478B2Oct 15, 2019
System for the removal of particulate matter and noxious compounds from engine exhaust gas
HALDOR TOPSOE AS1 citations61
US10286360B2May 14, 2019
Method for cleaning process off- or engine exhaust gas
HALDOR TOPSOE AS1 citations60
US7569197B2Aug 4, 2009
Process for purification of sulphur-containing exhaust gas
HALDOR TOPSOE AS1 citations51
US5010054AApr 23, 1991
Method for the preparation of superconducting products
HALDOR TOPSOE AS1 citations51
US6875723B2Apr 5, 2005
Process for the production of iron oxide containing catalysts
HALDOR TOPSOE AS1 citations48
US10525503B2Jan 7, 2020
Method for the preparation of a catalysed monolith
HALDOR TOPSOE AS0 citations41
US9562451B2Feb 7, 2017
Method and system for the removal of particulate matter soot, ash and heavy metals from engine exhaust gas
HALDOR TOPSOE AS0 citations39
JOHANSEN KELD
3 patentsUS9073047B2Jul 7, 2015
Method for the preparation of a catalysed particulate filter and catalysed particulate filter
JOHANSEN KELD4 citations70
US9346018B2May 24, 2016
Method for the preparation of a catalysed particulate filter and catalysed particulate filter
JOHANSEN KELD2 citations60
US9339844B2May 17, 2016
Method for the preparation of a catalysed particulate filter and catalysed particulate filter
JOHANSEN KELD0 citations39