Inventor

OBRIG HANS W

DE4 patents

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

HEGENSCHEIDT GMBH WILHELM

3 patents

US4799839AJan 24, 1989

Method and apparatus for performing a rotary broaching operation particularly on work pieces of rotational symmetry

HEGENSCHEIDT GMBH WILHELM12 citations71

US4895057AJan 23, 1990

Machine tool for broaching crankshaft connecting rod bearings

HEGENSCHEIDT GMBH WILHELM4 citations60

US4861204AAug 29, 1989

Turn broaching tool

HEGENSCHEIDT GMBH WILHELM2 citations60

WILHELM HEGENSCHEIDT GES GMBH

1 patent

US4866642ASep 12, 1989

Method and apparatus for determining the diameter of rail vehicle wheels

WILHELM HEGENSCHEIDT GES GMBH41 citations86