Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MK

Michael Karcher — 10 Patents

Basf Se: 10 patents #1,659 of 13,826Top 15%
Dossenheim, DE: #24 of 193 inventorsTop 15%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Michael Karcher has been granted 10 US patents while listed as an inventor at Basf Se. The first was granted in 1990 and the most recent in October 2013. Michael Karcher ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Michael Karcher in Dossenheim, DE.

Patents per Year

Patents granted per year, 1990 to 2013Bar chart with a peak of 2 patents in 1997.peak 21990: 1 patents19901993: 1 patents19931994: 1 patents19941996: 1 patents19961997: 2 patents19971998: 1 patents19982010: 1 patents20102012: 1 patents20122013: 1 patents2013

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
8557985 Process for continuous hydrogenation or hydrogenating amination Bram Willem Hoffer, Hartwig Voβ, Ekkehard Schwab, Udo Rheude, Gerd Kaibel +2 more 2013-10-15
8163963 Process for continuous hydrogenation or hydrogenating amination Bram Willem Hoffer, Hartwig Voβ, Ekkehard Schwab, Udo Rheude, Gerd Kaibel +2 more 2012-04-24
7678837 Device and method for removing carbon monoxide from a gaseous stream containing hydrogen Mathias Haake, Stefan Kotrel, Rudi Blümmel 2010-03-16
5783697 Preparation of vinyl carbamates Marc Heider, Jochem Henkelmann, Thomas Ruhl 1998-07-21
5696223 Copolymerizable oxime ethers Marc Heider, Thomas Ruhl, Jochem Henkelmann 1997-12-09
5683555 Working up reaction mixtures obtained in addition reactions with acetylene or propyne Marc Heider, Martin Schmidt-Radde, Albrecht Dams 1997-11-04
5587503 Preparation of silicon-containing vinyl ethers and vinyl thioethers Marc Heider, Jochem Henkelmann 1996-12-24
5319148 Preparation of pyrocatechol monoethers and pyrocatechols Horst Zimmermann, Jochem Henkelmann 1994-06-07
5200490 Polyurethane vinyl ethers Ulrich Jaeger, Erich Beck 1993-04-06
4967015 Polytetrahydrofuran vinyl ethers Heinz Eckhardt, Jochem Henkelmann 1990-10-30