KJ

Keld Johansen

HA Haldor Topsøe A/S: 15 patents #10 of 417Top 3%
UK Umicore Ag & Co. Kg: 3 patents #117 of 444Top 30%
ES Ecospray Technologies S.R.L.: 1 patents #2 of 4Top 50%
📍 Frederikssund, DK: #8 of 231 inventorsTop 4%
Overall (All Time): #236,993 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
10577999 System for the removal of particulate matter and noxious compounds from engine exhaust gas Ton V. W. Janssens 2020-03-03
10570802 System for the removal of particulate matter and noxious compounds from engine exhaust gas Ton V. W. Janssens 2020-02-25
10525503 Method for the preparation of a catalysed monolith 2020-01-07
10443478 System for the removal of particulate matter and noxious compounds from engine exhaust gas Ton V. W. Janssens 2019-10-15
10286360 Method for cleaning process off- or engine exhaust gas Maurizio Archetti 2019-05-14
9562451 Method and system for the removal of particulate matter soot, ash and heavy metals from engine exhaust gas Maurizio Archetti 2017-02-07
9346018 Method for the preparation of a catalysed particulate filter and catalysed particulate filter 2016-05-24
9339844 Method for the preparation of a catalysed particulate filter and catalysed particulate filter 2016-05-17
9073047 Method for the preparation of a catalysed particulate filter and catalysed particulate filter 2015-07-07
8997465 Method for purification of exhaust gas from a diesel engine Ioannis Gekas 2015-04-07
8603941 Method and apparatus for the purification of exhaust gas from a compression ignition engine Søren Dahl, Søren Pehrson, Gurli Mogensen 2013-12-10
8431099 Process and apparatus for purification of an exhaust gas from an internal combustion engine Jesper Norsk, Niels Poul Dalskov 2013-04-30
8127535 Method and system for purification of exhaust gas from diesel engines Jesper Norsk, Ioannis Gekas 2012-03-06
7569197 Process for purification of sulphur-containing exhaust gas 2009-08-04
6875723 Process for the production of iron oxide containing catalysts Petru Gordes 2005-04-05
6576204 Process for the production of alumina 2003-06-10
5217936 Catalyst for preparing aldehyde Bent Sarup, Poul Erik Højlund Nielsen, Viggo Lucassen Hansen 1993-06-08
5118868 Catalyst for preparing aldehyde Bent Sarup, Poul Erik Højlund Nielsen, Viggo Lucassen Hansen 1992-06-02
5010054 Method for the preparation of superconducting products Erik E. Pedersen, Haldor F. A. Topsoe 1991-04-23