Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HC

Holger Coolens

EAElringklinger Ag: 3 patents #31 of 213Top 15%
Echterdingen, DE: #178 of 558 inventorsTop 35%
Overall (All Time): #1,444,779 of 4,157,543Top 35%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10550743 Cylinder head cover and method for producing a cylinder head cover Christian Czermin 2020-02-04
10041386 Oil separator unit Matthias Herzel, Klaus Bendl, Gabriele Gorbach, Erich Amann, Gerd Reichle +1 more 2018-08-07
9670808 Separator and method for separating liquid droplets from an aerosol Gabriele Gorbach, Manfred Piesche, Malte Junker 2017-06-06