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USPTO Patent Rankings Data through Dec 31, 2025
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Birgit Wassermann — 3 Patents

Merck: 3 patents #3,082 of 9,382Top 35%
Berlin, DE: #2,397 of 9,690 inventorsTop 25%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Birgit Wassermann has been granted 3 US patents while listed as an inventor at Merck. The first was granted in 2003 and the most recent in April 2008. Birgit Wassermann ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Birgit Wassermann in Berlin, DE.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7351678 Catalyst systems for Ziegler-Natta propene polymerisation Kartin Köhler, Herbert Schumann, Wilfried Wassermann, Katharina Lange, Sebastian Dechert +6 more 2008-04-01 $64,058,000
7238757 Oxygen-containing organoaluminium complexes as cocatalysts Katrin Koehler, Eike Poetsch, Jens Eichhorn, Herbert Schumann, Sebastiain Dechert +5 more 2007-07-03 $81,678,000
6534606 Catalyst system for the Ziegler-Natta polymerization of olefins Katrin Kohler, Eike Poetsch, Herbert Schumann, Sebastian Dechert, Walter Kaminsky +3 more 2003-03-18 $63,255,000