Inventor

DRUCKTENHENGST ROLF

DE4 patents

⚠️ This page may combine multiple inventors who share the name “DRUCKTENHENGST ROLF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FREUDENBERG CARL FA

2 patents

US4432557AFeb 21, 1984

Cassette seal

FREUDENBERG CARL FA63 citations92

US5895052AApr 20, 1999

Shaft sealing device

FREUDENBERG CARL FA35 citations90

FREUDENBERG CARL

1 patent

US5645283AJul 8, 1997

Radial shaft seal having dust lip with notches

FREUDENBERG CARL24 citations90

DRUCKTENHENGST ROLF

1 patent

US9719597B2Aug 1, 2017

Sealing ring

DRUCKTENHENGST ROLF0 citations28