Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Holger Evers — 11 Patents

Basf Se: 11 patents #1,483 of 13,826Top 15%
Mannheim, DE: #230 of 2,026 inventorsTop 15%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
Holger Evers has been granted 11 US patents while listed as an inventor at Basf Se. The first was granted in 2008 and the most recent in July 2014. Holger Evers ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Holger Evers in Mannheim, DE.

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
8765634 Processes for preparing amines and zirconium dioxide- and nickel-containing catalysts for use therein Petr Kubanek, Bram Willem Hoffer, Ekkehard Schwab, Johann-Peter Melder, Till Gerlach 2014-07-01
8759580 Method for the production of aminoalkane acid amides Martin Ernst, Andreas Kusche, Gunnar Heydrich, Horst Grafmans, Johann-Peter Melder +2 more 2014-06-24
8063252 Process for preparing amines and zirconium dioxide- and nickel-containing catalysts for use therein Petr Kubanek, Bram Willem Hoffer, Ekkehard Schwab, Johann-Peter Melder, Till Gerlach 2011-11-22
7919655 Method for producing an amine Petr Kubanek, Bram Willem Hoffer, Ekkehard Schwab, Johann-Peter Melder, Till Gerlach 2011-04-05
7758730 Method for improving a piperazine colour stability Michael Jödecke, Johann-Peter Melder, Gunther Van Cauwenberge, Jan Nouwen 2010-07-20
7754922 Process for preparing amines and zirconium dioxide- and nickel-containing catalysts for use therein Petr Kubanek, Bram Willem Hoffer, Ekkehard Schwab, Johann-Peter Melder, Till Gerlach 2010-07-13
7696384 Process for producing ethyleneamines Gunther Van Cauwenberge, Johann-Peter Melder, Till Gerlach, Frank Kiesslich, Ekkehard Schwab +1 more 2010-04-13
7674929 Method for the production of β-aminopropionic acid derivatives Johann-Peter Melder, Thomas Preiss, Harald Meissner 2010-03-09
7615665 Method for producing ethylene amines Till Gerlach, Johann-Peter Melder 2009-11-10
7601875 Method for producing ethyleneamines Matthias Frauenkron, Johann-Peter Melder, Roderich Röttger, Markus Siegert, Till Gerlack +2 more 2009-10-13
7393978 Method for producing ethylene-amines Matthias Frauenkron, Thomas Krug, Johann-Peter Melder, Roderich Röttger, Markus Siegert +4 more 2008-07-01