CN203685022U - 一种液动冲击器 - Google Patents
一种液动冲击器 Download PDFInfo
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- CN203685022U CN203685022U CN201320638909.0U CN201320638909U CN203685022U CN 203685022 U CN203685022 U CN 203685022U CN 201320638909 U CN201320638909 U CN 201320638909U CN 203685022 U CN203685022 U CN 203685022U
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CN201320638909.0U CN203685022U (zh) | 2013-10-13 | 2013-10-13 | 一种液动冲击器 |
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CN201320638909.0U CN203685022U (zh) | 2013-10-13 | 2013-10-13 | 一种液动冲击器 |
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CN203685022U true CN203685022U (zh) | 2014-07-02 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104563859A (zh) * | 2013-10-13 | 2015-04-29 | 成都恩承油气有限公司 | 一种液动冲击器 |
CN105201403A (zh) * | 2015-09-06 | 2015-12-30 | 四川省贝特石油技术有限公司 | 自主式恒扭恒压高效破岩工具 |
CN110118058A (zh) * | 2019-05-21 | 2019-08-13 | 北京工业大学 | 花瓣式旋转导向钻井工具 |
-
2013
- 2013-10-13 CN CN201320638909.0U patent/CN203685022U/zh not_active Withdrawn - After Issue
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104563859A (zh) * | 2013-10-13 | 2015-04-29 | 成都恩承油气有限公司 | 一种液动冲击器 |
CN105201403A (zh) * | 2015-09-06 | 2015-12-30 | 四川省贝特石油技术有限公司 | 自主式恒扭恒压高效破岩工具 |
CN110118058A (zh) * | 2019-05-21 | 2019-08-13 | 北京工业大学 | 花瓣式旋转导向钻井工具 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 610031 Sichuan city of Chengdu province Chenghua District Bay, No. 66 Patentee after: CHENGDU EN-SHAIN TECHNOLOGY INCORPORATION Patentee after: Sichuan Rongrui Huabao Technology Co.,Ltd. Address before: 610031 Sichuan city of Chengdu province Chenghua District Bay, No. 66 Patentee before: Chengdu En-Shine Oil & Gas Co., Ltd. Patentee before: Sichuan Rongrui Huabao Technology Co.,Ltd. |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of hydraulic impacter Effective date of registration: 20170214 Granted publication date: 20140702 Pledgee: Agricultural Bank of China Limited by Share Ltd Chengdu Qingyang branch Pledgor: Chengdu Encheng Polytron Technologies Inc|Sichuan Rong Rui Technology Co., Ltd. Warburg Registration number: 2017510000010 |
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PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20140702 Effective date of abandoning: 20170412 |
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AV01 | Patent right actively abandoned | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180301 Granted publication date: 20140702 Pledgee: Agricultural Bank of China Limited by Share Ltd Chengdu Qingyang branch Pledgor: CHENGDU EN-SHAIN TECHNOLOGY INCORPORATION|Sichuan Rongrui Huabao Technology Co.,Ltd. Registration number: 2017510000010 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |