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

Andrea Knappe — 4 Patents

SCSchering: 3 patents #883 of 2,442Top 40%
Erlangen, DE: #726 of 2,818 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Andrea Knappe has been granted 4 US patents while listed as an inventor at Schering. The first was granted in 1999 and the most recent in February 2009. Andrea Knappe ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Andrea Knappe in Erlangen, DE.

Patents per Year

Patents granted per year, 1999 to 2009Bar chart with a peak of 1 patents in 1999.peak 11999: 1 patents19992004: 1 patents20042007: 1 patents20072009: 1 patents2009

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7491500 Mammalian cytokine; related reagents Rene de Waal Malefyt, Helmut Fickenscher, Bernhard Fleckenstein 2009-02-17 $381,153,000
7241438 AK155 polypeptides Rene de Waal Malefyt, Helmut Fickenscher, Bernhard Fleckenstein 2007-07-10 $248,681,000
6797813 AK155 antibodies and binding fragments thereof Rene de Waal Malefyt, Helmut Flickensher, Bernhard Fleckenstein 2004-09-28 $155,980,000
5989867 DNA encoding IL-10-like homologue; related reagents Helmut Fickenscher, Bernhard Fleckenstein 1999-11-23