Inventor

WINKLER SIEGFRIED

DE4 patents

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

FRAUNHOFER GES FORSCHUNG

2 patents

US4418563ADec 6, 1983

Method of determining the impact fracture toughness KID by means of impact tests

FRAUNHOFER GES FORSCHUNG21 citations76

US4579004AApr 1, 1986

Instrument for detecting the instant at which a crack begins in a mechanical strength test of a ferromagnetic metal

FRAUNHOFER GES FORSCHUNG10 citations67

LIEBEL URBAN

1 patent

US8199407B2Jun 12, 2012

Immersion objective, apparatus for forming an immersion film and method

LIEBEL URBAN16 citations77

WINKLER SIEGFRIED

1 patent

US8931357B2Jan 13, 2015

Coaxial needle and pipetting device

WINKLER SIEGFRIED0 citations27