Inventor

TIAN XIANMING

CN2 patents

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

SHANXI HUIFENG POWER TOOLS CO

1 patent

US7246801B2Jul 24, 2007

Self-tightening keyless chuck

SHANXI HUIFENG POWER TOOLS CO0 citations29

WUGANG REFRACTORY CO LTD

1 patent

US9989313B2Jun 5, 2018

Smelting ladle and method for improving use efficiency thereof

WUGANG REFRACTORY CO LTD0 citations21