Inventor

LI CHANGWEI

CN2 patents

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

NR ELECTRIC CO LTD

1 patent

US10279686B2May 7, 2019

Locomotive regenerative electric energy feedback system with ice melting function and control method

NR ELECTRIC CO LTD1 citations57

CHENGDU XINHAO FOUND ENGINEERING CO LTD

1 patent

US11891892B2Feb 6, 2024

Square pile construction method and equipment of a rotary drilling rig

CHENGDU XINHAO FOUND ENGINEERING CO LTD0 citations38