EW

Elmar Wiejack-Symann

RA Rag Aktiengesellschaft: 1 patents #3 of 21Top 15%
Caterpillar: 1 patents #4,437 of 8,398Top 55%
Overall (All Time): #2,045,103 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8662287 Scraper for scraper chain conveyors Frank Fischer, Willi Klingbeil, Matthias Kohler, Uwe Tillessen, Jorg Wirtz 2014-03-04
7150351 Scraper chain conveyor comprising plastic pushers 2006-12-19