Rolf Drucktenhengst

CK Carl Freudenberg Kg: 2 patents #140 of 679Top 25%

FF Firma Carl Freudenberg: 2 patents #154 of 512Top 35%

Overall (All Time): #1,197,141 of 4,157,543Top 30%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
9719597	Sealing ring	Udo Eping	2017-08-01
5895052	Shaft sealing device	Uwe Henrich	1999-04-20
5645283	Radial shaft seal having dust lip with notches	Rolf Vogt	1997-07-08
4432557	Cassette seal	—	1984-02-21