Inventor · disambiguated record

Deyong Zou

Also filed as: ZOU DEYONG

1 granted patent·0 citations·filing 2021–2021

1Inventor score

Technology areasE21B

Files withUNIV CHINA PETROLEUM EAST CHINA1

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1 record

0135US11976554B2Bottom-hole impact-rotation stepping combined unloading rock-breaking efficient drilling system and method thereofUNIV CHINA PETROLEUM EAST CHINA·Filed 2021·Granted May 7, 2024·0 cites·8 claims

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