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USPTO Patent Rankings Data through Dec 31, 2025
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Werner Pitschi — 4 Patents

CLClariant: 2 patents #237 of 485Top 50%
SASüd-Chemie Ag: 1 patents #10 of 70Top 15%
SCSud Chemie: 1 patents #86 of 244Top 40%
Bogen, DE: #30 of 140 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Werner Pitschi has been granted 4 US patents. The first was granted in 2009 and the most recent in March 2019. Werner Pitschi ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Werner Pitschi in Bogen, DE.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10227319 Catalytic converter arrangement with optimized surface for producing phthalic anhydride Oliver Richter, Gerhard Mestl, Felix SCHULZ, Nadine Fromm, Peter Schinke 2019-03-12
10155713 Catalyst arrangement with optimized void fraction for the production of phthalic acid anhydride Oliver Richter, Gerhard Mestl, David Lesser, Robert S. Marx, Nadine Fromm +2 more 2018-12-18
7615513 Use of a multi-layer catalyst for producing phthalic anhydride Christian Guckel, Harald Dialer, Marvin Estenfelder 2009-11-10
7592293 Method for producing a multi-layer catalyst for obtaining phthalic anhydride Christian Guckel, Harald Dialer, Marvin Estenfelder 2009-09-22