CN212966521U - 井下本质安全型遥控器 - Google Patents
井下本质安全型遥控器 Download PDFInfo
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- CN212966521U CN212966521U CN202021403594.8U CN202021403594U CN212966521U CN 212966521 U CN212966521 U CN 212966521U CN 202021403594 U CN202021403594 U CN 202021403594U CN 212966521 U CN212966521 U CN 212966521U
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- battery
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- downhole
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- 238000007789 sealing Methods 0.000 claims description 4
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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CN202021403594.8U CN212966521U (zh) | 2020-07-16 | 2020-07-16 | 井下本质安全型遥控器 |
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CN202021403594.8U CN212966521U (zh) | 2020-07-16 | 2020-07-16 | 井下本质安全型遥控器 |
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CN212966521U true CN212966521U (zh) | 2021-04-13 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: 241199 No. 1688, Dongwan Road, Anhui Xinwu Economic Development Zone, Wanyi District, Wuhu City, Anhui Province Patentee after: Faner Intelligent Technology Group Co.,Ltd. Address before: 241000 Wuhu Machinery Industry Park, Wuhu County, Wuhu City, Anhui Province Patentee before: VALVE MECHANICAL GROUP Co.,Ltd. |
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CP03 | Change of name, title or address | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Downhole intrinsically safe remote controller Effective date of registration: 20211203 Granted publication date: 20210413 Pledgee: Wuhu wanshe sub branch of China Construction Bank Co.,Ltd. Pledgor: Faner Intelligent Technology Group Co.,Ltd. Registration number: Y2021980013996 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231110 Granted publication date: 20210413 Pledgee: Wuhu wanshe sub branch of China Construction Bank Co.,Ltd. Pledgor: Faner Intelligent Technology Group Co.,Ltd. Registration number: Y2021980013996 |
|
PC01 | Cancellation 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: Underground intrinsic safety remote control Granted publication date: 20210413 Pledgee: Wuhu Yangzi rural commercial bank Limited by Share Ltd. Pledgor: Faner Intelligent Technology Group Co.,Ltd. Registration number: Y2024980039780 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |