Inventor · disambiguated record
Zhimin Hou
Also filed as: HOU ZHIMIN
7 granted patents·9 citations·filing 2017–2021
75Inventor score
Technology areasE21B
Files withCHINA PETROLEUM & CHEM CORP7
Top patents by PatentIndex Score
7 records- 0185US11933138B2Sliding sleeve deviceCHINA PETROLEUM & CHEM CORP·Filed 2021·Granted Mar 19, 2024·2 cites·8 claims
- 0276US11142989B2Tool for jet packing and fracturing and tubular column comprising sameCHINA PETROLEUM & CHEM CORP·Filed 2017·Granted Oct 12, 2021·3 cites·12 claims
- 0373US11885201B2Sliding sleeveCHINA PETROLEUM & CHEM CORP·Filed 2017·Granted Jan 30, 2024·2 cites·25 claims
- 0471US11236590B2Device for jet packing and fracturing and tubular column comprising sameCHINA PETROLEUM & CHEM CORP·Filed 2017·Granted Feb 1, 2022·2 cites·15 claims
- 0543US12215580B2Differential pressure sliding sleeve, and oil and gas well fracturing construction method using sameCHINA PETROLEUM & CHEM CORP·Filed 2021·Granted Feb 4, 2025·0 cites·13 claims
- 0638US12486753B2Wellbore staged operation method and rubber plug for said methodCHINA PETROLEUM & CHEM CORP·Filed 2021·Granted Dec 2, 2025·0 cites·12 claims
- 0737US11248444B2Tool for opening sliding sleeveCHINA PETROLEUM & CHEM CORP·Filed 2017·Granted Feb 15, 2022·0 cites·14 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →