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USPTO Patent Rankings Data through Dec 31, 2025
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Kai Rainer Ehrhardt — 10 Patents

Basf Se: 10 patents #1,659 of 13,826Top 15%
Speyer, DE: #53 of 320 inventorsTop 20%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Kai Rainer Ehrhardt has been granted 10 US patents while listed as an inventor at Basf Se. The first was granted in 2007 and the most recent in February 2017. Kai Rainer Ehrhardt ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Kai Rainer Ehrhardt in Speyer, DE.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
9580312 Method for producing acetylenes and syngas Maximilian Vicari, Christian Weichert, Dirk Grossschmidt, Michael B. Russ, Horst Neuhauser +1 more 2017-02-28
8597546 Process and apparatus for preparing acetylene and synthesis gas Michael B. Russ, Dirk Grossschmidt, Peter Renze, Maximilian Vicari, Horst Neuhauser +1 more 2013-12-03
8506924 Process and apparatus for preparing acetylene and synthesis gas Dirk Grossschmidt, Michael B. Russ, Peter Renze, Maximilian Vicari, Christian Weichert +3 more 2013-08-13
8487150 Process for hydrogenating butadiyne Lucia Koenigsmann, Ekkehard Schwab, Piotr Makarczyk, Maximilian Vicari, Thomas Heidemann +2 more 2013-07-16
8173853 Process for preparing acetylene by partial oxidation of hydrocarbons Raymond Poche, William R. Scullin, Michael L. Hayes 2012-05-08
8017823 Process for the manufacture of acetylene by partial oxidation of hydrocarbons Raymond Poche, William R. Scullin, Michael L. Hayes 2011-09-13
7956228 Method and device for producing acetylene and synthesis gas by rapidly mixing the reactants Bernd Bartenbach, Arne Hoffmann, Frank Kleine Jaeger 2011-06-07
7928275 Method for producing acetylene Michael Bachtler, Christopher P Witte, Michael L. Hayes 2011-04-19
7794513 Process for the scale-up of a reactor for carrying out a high-temperature reaction, reactor and use Bernd Bartenbach 2010-09-14
7294325 Method for the production of hydrocyanic acid by oxidation of nitrogen-containing hydrocarbons in a flame Mayke Mueller-Eversbusch, Dieter Stapf 2007-11-13