Inventor
HOELZER HELMUT
11 patents
Patents
11 patentsUS4750747AJun 14, 1988
Seal ring having lubricant pockets and a process of making a seal ring
FREUDENBERG CARL FA38 citations92
US4427205AJan 24, 1984
Radial shaft sealing ring
FREUDENBERG CARL FA27 citations91
US4522410AJun 11, 1985
Axle or shaft seal with overlapping ring extension members
FREUDENBERG CARL FA26 citations81
US4595206AJun 17, 1986
Seal with inner and outer slidably contacting rings
FREUDENBERG CARL FA17 citations73
US4591168AMay 27, 1986
Sealing ring having torsion ribs
FREUDENBERG CARL FA14 citations73
US4553762ANov 19, 1985
Shaft seal ring
FREUDENBERG CARL FA9 citations73
US4504068AMar 12, 1985
Shaft sealing ring
FREUDENBERG CARL FA11 citations73
US4474379AOct 2, 1984
Centrifugally-operated radially-translatable seal ring
FREUDENBERG CARL FA16 citations73
US4334687AJun 15, 1982
Shaft seal with multi-slitted sleeve
FREUDENBERG CARL FA17 citations69
US4298203ANov 3, 1981
Two part shaft sealing ring
FREUDENBERG CARL FA15 citations69
US4522328AJun 11, 1985
Shaft seal
FREUDENBERG CARL FA6 citations62