Inventor
GRUENDKEN DIETER
DE9 patents
Patents
9 patentsUS4733771AMar 29, 1988
Connection devices for interconnecting the pans of scraper-chain conveyors
GEWERK EISENHUETTE WESTFALIA45 citations91
US4437564AMar 20, 1984
Conveyor drive frame
GEWERK EISENHUETTE WESTFALIA21 citations81
US4479575AOct 30, 1984
Retaining device
GEWERK EISENHUETTE WESTFALIA23 citations80
US4658952AApr 21, 1987
Scraper-chain conveyor channel section
GEWERK EISENHUETTE WESTFALIA12 citations73
US4705160ANov 10, 1987
Scraper-chain conveyors for mineral mining
GEWERK EISENHUETTE WESTFALIA16 citations71
US4673079AJun 16, 1987
Transfer station
GEWERK EISENHUETTE WESTFALIA7 citations71
US4250989AFeb 17, 1981
Curved section and guide assembly
GEWERK EISENHUETTE WESTFALIA7 citations71
US4444304AApr 24, 1984
Scraper chain conveyor channel section
GEWERK EISENHUETTE WESTFALIA8 citations68
US4632239ADec 30, 1986
Scraper-chain conveyor channel section
GEWERK EISENHUETTE WESTFALIA3 citations61