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Inventor

REN JIANCHENG

CN5 patents
⚠️ This page may combine multiple inventors who share the name “REN JIANCHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ABB SPA

3 patents
US12374516B2Jul 29, 2025

Adjustment mechanism for circuit breaker and corresponding circuit breaker

ABB SPA0 citations58
US10892128B2Jan 12, 2021

Residual current protection device and tripper

ABB SPA0 citations58
US10855061B2Dec 1, 2020

Withdrawable base module for switch

ABB SPA0 citations36

ABB OY

2 patents
USD791085SJul 4, 2017

Switch-disconnector

ABB OY19 citations86
US10665401B2May 26, 2020

Electric switch

ABB OY0 citations44