Inventor
MARQUARDT ULRICH
DE10 patents
Patents
10 patentsUS4703137AOct 27, 1987
Electric switchgear with a pull-out frame and a switching device that can be inserted therein
SIEMENS AG40 citations91
US5661627AAug 26, 1997
Arrangement for controlling the switching of a power circuit breaker
SIEMENS AG15 citations72
US5528009AJun 18, 1996
Vacuum switch with a current-loop assembly
SIEMENS AG9 citations72
US4788453ANov 29, 1988
Arrangement for the logical interlinkage of mechanical signals
SIEMENS AG13 citations72
US4746239AMay 24, 1988
Support structure which can be put together from sheet metal parts
SIEMENS AG17 citations72
US4742200AMay 3, 1988
Actuating device for a low-voltage circuit breaker with a ratchet wheel
SIEMENS AG15 citations71
US4655098AApr 7, 1987
Drive mechanism for a circuit breaker using eccentric member and directional lock
SIEMENS AG14 citations71
US4636762AJan 13, 1987
Contact assembly having a current-dependent force increasing the contact force
SIEMENS AG9 citations71
US4746778AMay 24, 1988
Circuit breaker with an actuating device and an energy accumulator
SIEMENS AG4 citations61
US5608365AMar 4, 1997
Multi-pole low-voltage power switch with a switching shaft
SIEMENS AG1 citations51