Inventor

ZHUANG ZHIJIAN

CN4 patents

Patents

4 patents

US10312670B2Jun 4, 2019

Drive device for vacuum circuit breaker chassis

ABB SCHWEIZ AG5 citations70

US10211018B2Feb 19, 2019

Pivot supporting structure and circuit breaker

ABB SCHWEIZ AG2 citations70

US10408877B2Sep 10, 2019

Method and device for monitoring circuit breaker

ABB SCHWEIZ AG1 citations54

US10566773B2Feb 18, 2020

Transmission and clutch device for electric chassis vehicle, and electric chassis vehicle

ABB SCHWEIZ AG0 citations37