Inventor · disambiguated record

Yulong Feng

Also filed as: FENG YULONG

1 granted patent·0 citations·filing 2020–2020

1Inventor score

Technology areasF16K

Files withSOUTH CHINA COMPANY CHINA OIL & GAS PIPELINE NETWORK CORP1

Top patents by PatentIndex Score

1 record

0124US11009135B2Four valve disc frictionless ball valveSOUTH CHINA COMPANY CHINA OIL & GAS PIPELINE NETWORK CORP·Filed 2020·Granted May 18, 2021·0 cites·8 claims

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