Inventor

DUAN YUMING

CN2 patents

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

ZHEJIANG CHINT ELECTRICS CO LT

1 patent

US6977567B2Dec 20, 2005

Low-voltage circuit breaker with a capability of tripping quickly

ZHEJIANG CHINT ELECTRICS CO LT2 citations46

NOARK ELECTRICS SHANGHAI CO LTD

1 patent

US9991078B2Jun 5, 2018

Short-current protection action current adjusting method and device thereof and device for multi-pole electromagnetic release

NOARK ELECTRICS SHANGHAI CO LTD0 citations30