CN203925276U - 螺杆钻具的控制流量的防掉总成 - Google Patents
螺杆钻具的控制流量的防掉总成 Download PDFInfo
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- CN203925276U CN203925276U CN201420254107.4U CN201420254107U CN203925276U CN 203925276 U CN203925276 U CN 203925276U CN 201420254107 U CN201420254107 U CN 201420254107U CN 203925276 U CN203925276 U CN 203925276U
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- hydraulic motor
- helicoid hydraulic
- assembly
- control flow
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CN201420254107.4U CN203925276U (zh) | 2014-05-13 | 2014-05-13 | 螺杆钻具的控制流量的防掉总成 |
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CN201420254107.4U CN203925276U (zh) | 2014-05-13 | 2014-05-13 | 螺杆钻具的控制流量的防掉总成 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104728470A (zh) * | 2015-03-27 | 2015-06-24 | 上海新跃仪表厂 | 一种旁通阀 |
CN116357221A (zh) * | 2023-05-31 | 2023-06-30 | 德州联合石油科技股份有限公司 | 螺杆钻具 |
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2014
- 2014-05-13 CN CN201420254107.4U patent/CN203925276U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104728470A (zh) * | 2015-03-27 | 2015-06-24 | 上海新跃仪表厂 | 一种旁通阀 |
CN116357221A (zh) * | 2023-05-31 | 2023-06-30 | 德州联合石油科技股份有限公司 | 螺杆钻具 |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: LIAONING KETE INDUSTRIAL CO., LTD. Free format text: FORMER OWNER: JIANGSU GUIXIN PETROLEUM EQUIPMENT CO., LTD. Effective date: 20150215 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 224043 YANCHENG, JIANGSU PROVINCE TO: 124013 PANJIN, LIAONING PROVINCE |
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TR01 | Transfer of patent right |
Effective date of registration: 20150215 Address after: 124013 Panjin Province Economic Development Zone Petroleum hi tech Industrial Park Patentee after: Liaoning Instrument Industry Co., Ltd. Address before: 224043 Dagang Town of Jiangsu province Yancheng City salt District wild land village four groups Patentee before: Jiangsu Guixin Petroleum Equipment Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20150513 |
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EXPY | Termination of patent right or utility model |