Inventor
HAN CHEN
CN8 patents
⚠️ This page may combine multiple inventors who share the name “HAN CHEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHENGDU HOLY AVIATION SCIENCE TECH CO LTD
4 patentsUS12502859B2Dec 23, 2025
Fully-automatic production line and automatic production method for rubber seal rings
CHENGDU HOLY AVIATION SCIENCE TECH CO LTD0 citations45
US12558856B2Feb 24, 2026
Device and method for automatically removing margins of rubber sealing rings in high-accuracy
CHENGDU HOLY AVIATION SCIENCE TECH CO LTD0 citations41
US12290964B2May 6, 2025
3D-configured production structure of rubber products based on intelligent manufacturing unit and production method of same
CHENGDU HOLY AVIATION SCIENCE TECH CO LTD0 citations41
US12409594B2Sep 9, 2025
Automatic forming method and device for a rubber sealing ring blank
CHENGDU HOLY AVIATION SCIENCE TECH CO LTD0 citations40