Inventor
SPONAGEL STEFAN
DE3 patents
Patents
3 patentsUS5143385ASep 1, 1992
Shaft seal
FREUDENBERG CARL FA24 citations83
US4861536AAug 29, 1989
Method for manufacturing a sealing ring
FREUDENBERG CARL FA7 citations69
US4850097AJul 25, 1989
Method for the manufacture of a sealing ring with a sealing lip having hydrodynamically acting return elements
FREUDENBERG CARL FA6 citations58