Inventor

HOLTZ JOACHIM

DE4 patents

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

SIEMENS AG

2 patents

US4881159ANov 14, 1989

Switching-relieved low-loss three-level inverter

SIEMENS AG42 citations90

US4013014AMar 22, 1977

Circuit arrangement for a track-bound propulsion vehicle

SIEMENS AG16 citations70

WEG AUTOMAC & ATILDE O LTDA

1 patent

US6326762B1Dec 4, 2001

Method of braking a vector controlled induction machine, control device for carrying out the method and storage medium

WEG AUTOMAC & ATILDE O LTDA37 citations84

BERGWERKSVERBAND GMBH

1 patent

US4990220AFeb 5, 1991

Coking reactor

BERGWERKSVERBAND GMBH7 citations71