CN212311326U - 中深层地热井筛管修复装置 - Google Patents
中深层地热井筛管修复装置 Download PDFInfo
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CN112045366A (zh) * | 2020-10-07 | 2020-12-08 | 东营明汇新能源科技有限公司 | 中深层地热井筛管修复装置 |
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CN112045366A (zh) * | 2020-10-07 | 2020-12-08 | 东营明汇新能源科技有限公司 | 中深层地热井筛管修复装置 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of utility model: Screen pipe repair device for medium and deep geothermal wells Effective date of registration: 20230317 Granted publication date: 20210108 Pledgee: Dongying rural commercial bank Limited by Share Ltd. Dongcheng sub branch Pledgor: DONGYING MINGHUI NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2023980035236 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210108 Pledgee: Dongying rural commercial bank Limited by Share Ltd. Dongcheng sub branch Pledgor: DONGYING MINGHUI NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2023980035236 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Repair device for screen tubes in deep geothermal wells Granted publication date: 20210108 Pledgee: Dongying rural commercial bank Limited by Share Ltd. Dongcheng sub branch Pledgor: DONGYING MINGHUI NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2024980007354 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210108 Pledgee: Dongying rural commercial bank Limited by Share Ltd. Dongcheng sub branch Pledgor: DONGYING MINGHUI NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2024980007354 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Intermediate and deep geothermal well screen repair device Granted publication date: 20210108 Pledgee: Dongying Rural Commercial Bank Co.,Ltd. Pledgor: DONGYING MINGHUI NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2025980008247 |