Inventor · disambiguated record

Xinlin Lei

Also filed as: Lei Xinlin

1 granted patent·0 citations·filing 2023–2023

8Inventor score

Technology areasF16J

Files withUNIV SOUTHWEST PETROLEUM1

Top patents by PatentIndex Score

1 record

0159US12018529B2Spiral magnetic fluid composite sealing structure of roller bitUNIV SOUTHWEST PETROLEUM·Filed 2023·Granted Jun 25, 2024·0 cites·2 claims

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