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USPTO Patent Rankings Data through Dec 31, 2025
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Mark Duda — 22 Patents

Basf Se: 15 patents #1,034 of 13,826Top 8%
DADegussa Ag: 1 patents #925 of 2,007Top 50%
HAHenkel Kommanditgesellschaft Auf Aktien: 1 patents #934 of 1,846Top 55%
OIOpta Food Ingredients: 1 patents #16 of 25Top 65%
Overall (All Time): #189,202 of 4,157,543Top 5%
22 Patents All Time
Mark Duda has been granted 22 US patents while listed as an inventor at Basf Se. The first was granted in 2000 and the most recent in January 2012. Mark Duda ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Mark Duda in Marl, MA, DE.

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8088962 Method for producing butadiene from n-butane Catharina Klanner, Gotz-Peter Schindler, Sven Crone, Frieder Borgmeier, Falk Simon 2012-01-03
7799373 In situ recoating of catalyst beds Bernd Sachweh, Günther Huber, Torsten Mattke, Gerhard Olbert 2010-09-21
7597529 Method for filling a vertical tube with catalyst particles Volker Diehl, Steffen Rissel, Silke Berndt, Knut Eger, Markus Hoelzle +1 more 2009-10-06
7495138 Method for producing butadiene from n-butane Sven Crone, Catharina Klanner, Gotz-Peter Schindler, Frieder Borgmeier 2009-02-24
7488858 Method for the production of butadiene Thorsten Johann, Gotz-Peter Schindler, Andreas Brodhagen, Sven Crone 2009-02-10
7488857 Method for the production of butadiene and 1-butene Thorsten Johann, Gotz-Peter Schindler, Andreas Brodhagen, Sven Crone, Regina Benfer +1 more 2009-02-10
7482500 Preparation of butadiene Thorsten Johann, Gotz-Peter Schindler, Andreas Brodhagen, Sven Crone, Regina Benfer +1 more 2009-01-27
7435860 Method for the production of butadine from n-butane Sven Crone, Catharina Klanner, Gotz-Peter Schindler, Frieder Borgmeier 2008-10-14
7417173 Method for producing butadiene from n-butane Sven Crone, Catharina Klanner, Gotz-Peter Schindler, Frieder Borgmeier 2008-08-26
7345167 Method for the production of maleic anhydride Otto Machhammer, Alexander Weck 2008-03-18
7169732 Catalyst-precursor for the production of maleic acid anhydride and method for the production thereof Jens Weiguny, Sebastian Storck, Cornelia Katharina Dobner 2007-01-30 $423,000
7157403 Catalyst-precursor for the production of maleic acid anhydride and method for the production thereof Jens Weiguny, Sebastian Storck, Cornelia Katharina Dobner 2007-01-02
7087767 Method for producing maleic anhydride Jens Weiguny, Wilhelm Ruppel 2006-08-08 $471,000
7060649 Method for the production of a catalyst containing vanadium, phosphorus, and oxygen Jens Weiguny, Sebastian Storck, Cornelia Katharina Dobner, Raimund Felder 2006-06-13 $661,000
6989454 Method for producing maleic anhydride Hartmut Hibst, Ralf Noe, Kai Michael Exner 2006-01-24 $817,000
6852893 Method for oxidizing hydrocarbons Adolf Kuhnle, Carsten Jost, Guido Fries, Jochen Kirchhoff, Thomas Schiffer +3 more 2005-02-08
6720462 Method for producing aromatic alcohols, especially phenol Adolf Kuhnle, Uwe Tanger, Roger Sheldon, Sasidharan Manickam, Isabella Wilhelmina Christina Everdina Arends 2004-04-13
6299778 Catalytically active permeable composite material, method for producing said composite material, and use of the same Bernd Penth, Christian Hying, Gerhard Hoerpel, Adolf Kuehnle 2001-10-09
6210557 Electrocatalytic selective oxidation of hydrocarbons Guido Stochniol, Adolf Kuehnle 2001-04-03
6174559 Gluten-derived colloidal dispersions and edible coatings therefrom and method of making Mark L. Shulman, Noel G. Rudie, Francis M. Mallee 2001-01-16 $393,000
6166268 Selective oxidation and the synthesis of hydroxyl-containing aromatic compounds Adolf Kuehnle 2000-12-26
6153576 Transition-metal complexes used as activators for peroxy compounds Helmut Blum, Bernd Mayer, Ulrich Pegelow, Horst-Dieter Speckmann, Bernt Krebs +2 more 2000-11-28