Inventor · disambiguated record

Rongan Duan

Also filed as: DUAN RONGAN

1 granted patent·28 citations·filing 1988–1988

43Inventor score

Technology areasG01B

Files withCHENGDU TOOL RESEARCH INST OF1

Top patents by PatentIndex Score

1 record

0158US4831872AMethod of measuring gear errors through meshing and separating and a machine thereofCHENGDU TOOL RESEARCH INST OF·Filed 1988·Granted May 23, 1989·28 cites·12 claims

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