FD

Friedrich Wilhelm Dannehl

DG Dbt Gmbh: 3 patents #24 of 80Top 30%
DG Dbt Deutsche Bergbau-Technik Gmbh: 1 patents #12 of 30Top 40%
Overall (All Time): #1,255,435 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7237983 Hydraulic shield support Franz-Heinrich Suilmann, Michael Dettmers, Werner Reinelt 2007-07-03
6991407 Lift cylinder assembly Werner Reinelt, Holger Behnert 2006-01-31
6615705 Hydraulic cylinder Werner Reinelt 2003-09-09
6209440 Hydraulic double telescopic prop Werner Reinelt 2001-04-03