Inventor

GUO LIWEN

CN3 patents

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

(unassigned)

2 patents

US5904700AMay 18, 1999

Magnetic acupuncture pointer

24 citations83

US5967967AOct 19, 1999

Health comb

6 citations53

UNIV SHANDONG SCIENCE & TECH

1 patent

US12098640B2Sep 24, 2024

Liquid nitrogen direct injection and foaming intelligent filling system based on mine fire area characteristics and application method

UNIV SHANDONG SCIENCE & TECH0 citations45