Inventor

GRAF RALF

DE3 patents

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

ABB AG

1 patent

US9633756B2Apr 25, 2017

Device for connecting a circuit breaker

ABB AG0 citations39

KRATSCHMAR RUDIGER

1 patent

US8262285B2Sep 11, 2012

Device for measuring gas or air temperature in a casing box

KRATSCHMAR RUDIGER0 citations33

MERKEL HANS-PETER

1 patent

US8994543B2Mar 31, 2015

Diagnosis and maintenance device for a switchgear assembly and corresponding switchgear assembly

MERKEL HANS-PETER0 citations25