Inventor · disambiguated record

Zhandong Chang

Also filed as: CHANG ZHANDONG

2 granted patents·0 citations·filing 2016–2023

22Inventor score

Technology areasB05B F16J

Files withWUZHONG INSTR CO LTD2

Top patents by PatentIndex Score

2 records

0145US12085192B2Straight-stroke no-material-loss high-temperature normal-pressure filler sealing structureWUZHONG INSTR CO LTD·Filed 2023·Granted Sep 10, 2024·0 cites·5 claims
0234US10821465B2Spherical core spraying toolWUZHONG INSTR CO LTD·Filed 2016·Granted Nov 3, 2020·0 cites·5 claims

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →