SE

Stefan Ehrhardt

AK Alfred Kärcher Se & Co. Kg: 2 patents #19 of 105Top 20%
AK Alfred Kärcher Gmbh & Co. Kg: 1 patents #95 of 242Top 40%
📍 Winnenden, DE: #114 of 380 inventorsTop 30%
Overall (All Time): #1,353,701 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11897010 Heatable high pressure cleaning appliance Stefan Kelle, Ralph Seitter, Zheyi Jin, Denis Dammkoehler 2024-02-13
10293383 Mobile high-pressure cleaning apparatus Ronald Krauter, Andreas Pfizenmaier, Torsten-Ulf Kern, Ulrich Bauer 2019-05-21
9841244 Heat exchanger and method for its manufacture Michael Boehm, Siegmar Munz 2017-12-12