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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Herbert Schumann — 14 Patents

Merck: 13 patents #853 of 9,382Top 10%
SCSchering: 1 patents #1,469 of 2,442Top 65%
Berlin, DE: #424 of 9,690 inventorsTop 5%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Herbert Schumann has been granted 14 US patents while listed as an inventor at Merck. The first was granted in 1989 and the most recent in April 2008. Herbert Schumann ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Herbert Schumann in Berlin, DE.

Patents per Year

Patents granted per year, 1989 to 2008Bar chart with a peak of 2 patents in 1992.peak 21989: 1 patents19891991: 1 patents1992: 2 patents19921993: 1 patents1995: 1 patents19951996: 1 patents1997: 1 patents19971998: 1 patents2000: 1 patents20002003: 2 patents2007: 1 patents20072008: 1 patents2008

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7351678 Catalyst systems for Ziegler-Natta propene polymerisation Kartin Köhler, Birgit Wassermann, 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, Birgit Wassermann, Sebastiain Dechert +5 more 2007-07-03 $81,678,000
6596890 Aluminum alkyl complexes as cocatalysts Eike Poetsch, Ludwig Pohl, Karin Weiss, Eva Maria Auth, Thomas Metzner +6 more 2003-07-22 $72,817,000
6534606 Catalyst system for the Ziegler-Natta polymerization of olefins Katrin Kohler, Eike Poetsch, Sebastian Dechert, Walter Kaminsky, Andre Laban +3 more 2003-03-18 $63,255,000
6156873 Bismuth dendrimers, processes for their preparation, and their use as x-ray contrast agents Werner Krause 2000-12-05 $108,000
5851946 Coordination catalyst systems comprising intramolecularly stabilized organometallic compounds Ludwig Pohl, Eike Poetsch, Hans-Ludwig Hirsch, Karin Weiss 1998-12-22 $331,002,000
5698761 Coordination catalyst systems Ludwig Pohl, Eike Poetsch, Karin Weiss, Karl Thiele, Hans-Ludwig Hirsch 1997-12-16 $80,901,000
5487357 Boron-containing organic group-V compounds useful for gas phase deposition of the group-V element on substrates Ludwig Pohl, Christian Marschall 1996-01-30 $137,937,000
5468707 Coordination catalyst systems Ludwig Pohl, Fike Poetsch, Karin Weiss, Karl Thiele, Hans-Ludwig Hirsch 1995-11-21 $66,747,000
5259915 Organometallic compounds Ludwig Pohl, Wilfried Wassermann, Uwe Hartmann, Thomas Seuss 1993-11-09 $26,650,000
5149853 Organometallic compounds Dietrich Erdmann, Max E. Van Ghemen, Ludwig Pohl, Uwe Hartmann, Wilfried Wassermann +2 more 1992-09-22 $48,475,000
5112432 Organometallic compounds Dietrich Erdmann, Max E. Van Ghemen, Ludwig Pohl, Uwe Hartmann, Wilfried Wassermann +2 more 1992-05-12 $37,775,000
5015747 Organometallic compounds Martin Hostalek, Ludwig Pohl, Dietrich Erdmann, Uwe Hartmann, Meino Heyen +1 more 1991-05-14 $36,482,000
4880492 Organometallic compounds Dietrich Erdmann, Max E. Van Ghemen, Ludwig Pohl, Uwe Hartmann, Wilfried Wassermann +2 more 1989-11-14 $11,255,000