Jan Werner has been granted 6 US patents while listed as an inventor at Shell Oil Compny . The first was granted in 1984 and the most recent in May 2021. Jan Werner ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Jan Werner in Amsterdam, NL.
Patents per Year Patents granted per year, 1984 to 2021 Bar chart with a peak of 2 patents in 1990. peak 2 1984: 1 patents 1984 1990: 2 patents 1990 1992: 1 patents 1992 2011: 1 patents 2011 2021: 1 patents 2021
Issued Patents All Time
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Showing 1–6 of 6 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
11015118 Phosphor ceramic Thomas Justel , Stephanie Möller , Florian Baur , Nadja Kratz , Murat Demirtas +2 more 2021-05-25
8043451 Wedge-shaped heating element and method for producing it Franz-Josef Herz 2011-10-25
5120568 Method for plasma surface treating and preparation of membrane layers Hubertus J. A. Schuurmans , Daniel C. Schram , Gerardus M. W. Kroesen 1992-06-09
4976856 Process for preparing non-porous, selective membrane layers Albert van der Scheer 1990-12-11
4957062 Apparatus for plasma surface treating and preparation of membrane layers Hubertus J. A. Schuurmans , Daniel C. Schram , Gerardus M. W. Kroesen 1990-09-18
4470958 Composition and process for the removal of impurities from combustion gases Kees Van Gelder , Rene M. Visser 1984-09-11
$127,560,000
