CN204899857U - 一种地热井用耐高温多功能浮阀 - Google Patents
一种地热井用耐高温多功能浮阀 Download PDFInfo
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- CN204899857U CN204899857U CN201520518927.4U CN201520518927U CN204899857U CN 204899857 U CN204899857 U CN 204899857U CN 201520518927 U CN201520518927 U CN 201520518927U CN 204899857 U CN204899857 U CN 204899857U
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106089135A (zh) * | 2016-08-29 | 2016-11-09 | 东营市创元石油机械制造有限公司 | 石油钻井用箭式钻具浮阀 |
CN111456661A (zh) * | 2020-04-30 | 2020-07-28 | 青岛宏新天机械有限公司 | 耐用钻杆浮阀 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106089135A (zh) * | 2016-08-29 | 2016-11-09 | 东营市创元石油机械制造有限公司 | 石油钻井用箭式钻具浮阀 |
CN111456661A (zh) * | 2020-04-30 | 2020-07-28 | 青岛宏新天机械有限公司 | 耐用钻杆浮阀 |
CN111456661B (zh) * | 2020-04-30 | 2022-02-01 | 青岛宏新天机械有限公司 | 耐用钻杆浮阀 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Gao Qingchun Inventor after: Liu Xiaomeng Inventor after: Hu Meijie Inventor after: Feng Yuegang Inventor after: Qin Chang Inventor after: Liu Wei Inventor after: Dong Lijuan Inventor after: Zhang Yixin Inventor after: Wang Xigui Inventor after: Fu Xinying Inventor after: Guo Ran Inventor after: Wu Xingguo Inventor after: Tan Wei Inventor after: Liu Yibo Inventor after: Bai Yu Inventor after: Zhao Hongtao Inventor after: Zhou Yi Inventor after: Wang Xiaojun Inventor after: Yang Peng Inventor after: Lv Nan Inventor after: Shi Haitao Inventor after: Ding Wenzheng Inventor after: Wu Yujia Inventor after: Chen Silu Inventor after: Xia Boyi Inventor after: Xia Fangjie Inventor after: Li Zhuang Inventor after: Wang Yuxuan Inventor before: Gao Qingchun Inventor before: Liu Xiaomeng Inventor before: Hu Meijie Inventor before: Feng Yuegang Inventor before: Qin Chang Inventor before: Liu Wei Inventor before: Dong Lijuan Inventor before: Zhang Yixin Inventor before: Wang Xigui Inventor before: Fu Xinying Inventor before: Guo Ran Inventor before: Wu Xingguo Inventor before: Tan Wei Inventor before: Liu Yibo Inventor before: Bai Yu Inventor before: Zhao Hongtao Inventor before: Zhou Yi Inventor before: Wang Xiaojun Inventor before: Yang Peng Inventor before: Lv Nan Inventor before: Shi Haitao Inventor before: Ding Wenzheng Inventor before: Wu Yujia Inventor before: Chen Silu Inventor before: Xia Boyi Inventor before: Xia Fangjie Inventor before: Li Zhuang Inventor before: Lei Jianxuan |
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COR | Change of bibliographic data | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20170716 |
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CF01 | Termination of patent right due to non-payment of annual fee |