Inventor

FRIEDRICHS MICHAEL

DE7 patents

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

VACUUMSCHMELZE GMBH

3 patents

US4727757AMar 1, 1988

Ferro-magnetic foil for a torque sensor

VACUUMSCHMELZE GMBH14 citations70

US4507651AMar 26, 1985

Contact-free push-button key for generating an electrical signal upon depression thereof

VACUUMSCHMELZE GMBH9 citations68

US4703550ANov 3, 1987

Method for manufacturing a torque sensor

VACUUMSCHMELZE GMBH3 citations59

SCHROEDER DERRYL

2 patents

US8539975B2Sep 24, 2013

Drill string valve and method

SCHROEDER DERRYL9 citations76

US8727040B2May 20, 2014

Drill string valve and method

SCHROEDER DERRYL2 citations54

FOSECO INT

1 patent

US4719958AJan 19, 1988

Method, apparatus and feeder sleeves for the production of casting moulds

FOSECO INT9 citations70

VACUUMSCHMELZE GMBH & CO KG

1 patent

US6960912B2Nov 1, 2005

Magnetic field sensor device

VACUUMSCHMELZE GMBH & CO KG2 citations54