Inventor
HANSEN RAINER
DE8 patents
⚠️ This page may combine multiple inventors who share the name “HANSEN RAINER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BENTELER WERKE AG
7 patentsUS5107693AApr 28, 1992
Method of and apparatus for hydraulically deforming a pipe-shaped hollow member
BENTELER WERKE AG55 citations95
US5189790AMar 2, 1993
Method of fabricating a double walled pipe elbow
BENTELER WERKE AG26 citations92
US4319471AMar 16, 1982
Apparatus for producing a corrugated tube
BENTELER WERKE AG48 citations90
US6119501ASep 19, 2000
Method of deforming an initial pipe having a circular cross-section into a U-shaped section and device for carrying out the method
BENTELER WERKE AG20 citations88
US4325268AApr 20, 1982
Safety steering column assembly for automobiles
BENTELER WERKE AG17 citations71
US4267718AMay 19, 1981
Apparatus for producing a tube with successive corrugations of different radial extensions and spacings
BENTELER WERKE AG10 citations71
US4237713ADec 9, 1980
Apparatus for producing a tube with successive corrugations
BENTELER WERKE AG11 citations71