BG

Burkhard Grobbel

KG Kettenwulf Betriebs Gmbh: 5 patents #1 of 9Top 15%
📍 Schmallenberg, DE: #3 of 37 inventorsTop 9%
Overall (All Time): #1,009,519 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8764593 Sound-damping unit for a sprocket, and sprocket — 2014-07-01
8617014 Drive means and chain drive with polygonal compensation — 2013-12-31
8292058 Escalator — 2012-10-23
8292059 Escalator — 2012-10-23
8286778 Escalator — 2012-10-16