Inventor

HEERDT FRANK

CN2 patents

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

ZHENG DAPENG

1 patent

US8508890B2Aug 13, 2013

Arc extinguishing hybrid transfer switch and switching method

ZHENG DAPENG14 citations69

HEERDT FRANK

1 patent

US8665569B2Mar 4, 2014

Arc extinguishing switch and switching method thereof

HEERDT FRANK0 citations39