Inventor

HELFRICH JENS

DE3 patents

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

SIEMENS AG

1 patent

US10343534B2Jul 9, 2019

Arrangement, system and method for inductively transmitting energy for charging at least one energy store of a rail vehicle

SIEMENS AG3 citations68

ABB RESEARCH LTD

1 patent

US7911307B2Mar 22, 2011

Rotary transformer

ABB RESEARCH LTD2 citations57

ABB PATENT GMBH

1 patent

US6633493B2Oct 14, 2003

Inherently short-circuit resistant power distribution system

ABB PATENT GMBH4 citations57