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USPTO Patent Rankings Data through Dec 31, 2025
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Carmen Feldner — 4 Patents

Basf Se: 4 patents #3,853 of 13,826Top 30%
Ludwigshafen, DE: #665 of 1,722 inventorsTop 40%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Carmen Feldner has been granted 4 US patents while listed as an inventor at Basf Se. The first was granted in 2015 and the most recent in February 2016. Carmen Feldner ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Carmen Feldner in Ludwigshafen, DE.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9260402 Process for the preparation of 5-hydroxymethylfurfural (HMF) Benoit Blank, Alois Kindler, Peter Bassler, Markus Piepenbrink, Ortmund Lang 2016-02-16
9169227 Production of 5 hydroxymethyulfurfural (HMF) from hexose solutions in the presence of steam Rene Backes, Benoit Blank, Alois Kindler 2015-10-27
9162998 Preparation of 5-hydroxymethylfurfural (HMF) from saccharide solutions in the presence of a solvent having a boiling point greater than 60° C. and less than 200° C. (at standard pressure, called low boiler for short) Rene Backes, Benoit Blank, Alois Kindler 2015-10-20
9156802 Separating off 5-hydroxymethylfurfural (HMF) from reaction solutions by steam distillation Ralf Böhling, Benoit Blank, Alois Kindler, Sandra Umlauf 2015-10-13