RB

Ralph Burkhardt

VG Voith Patent Gmbh: 1 patents #277 of 717Top 40%
AA Abb Technology Ag: 1 patents #181 of 552Top 35%
Overall (All Time): #1,917,674 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10767738 Drive device with speed modulation gearbox Tobias Stolz, Stefan Steiner 2020-09-08
8035044 Service switching device with double-break contacts Frank Hustert 2011-10-11