CN201554492U - 瓦斯抽放支管路连接组件 - Google Patents
瓦斯抽放支管路连接组件 Download PDFInfo
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- CN201554492U CN201554492U CN2009202551713U CN200920255171U CN201554492U CN 201554492 U CN201554492 U CN 201554492U CN 2009202551713 U CN2009202551713 U CN 2009202551713U CN 200920255171 U CN200920255171 U CN 200920255171U CN 201554492 U CN201554492 U CN 201554492U
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- gas drainage
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Application Number | Priority Date | Filing Date | Title |
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CN2009202551713U CN201554492U (zh) | 2009-12-12 | 2009-12-12 | 瓦斯抽放支管路连接组件 |
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CN2009202551713U CN201554492U (zh) | 2009-12-12 | 2009-12-12 | 瓦斯抽放支管路连接组件 |
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CN201554492U true CN201554492U (zh) | 2010-08-18 |
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CN2009202551713U Expired - Fee Related CN201554492U (zh) | 2009-12-12 | 2009-12-12 | 瓦斯抽放支管路连接组件 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101975078A (zh) * | 2010-10-11 | 2011-02-16 | 河南理工大学 | 瓦斯抽采钻孔联管装置及其安装使用方法 |
CN104100291A (zh) * | 2014-07-25 | 2014-10-15 | 太原理工大学 | 一种采空区瓦斯抽采控制装置及方法 |
-
2009
- 2009-12-12 CN CN2009202551713U patent/CN201554492U/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101975078A (zh) * | 2010-10-11 | 2011-02-16 | 河南理工大学 | 瓦斯抽采钻孔联管装置及其安装使用方法 |
CN101975078B (zh) * | 2010-10-11 | 2012-07-25 | 河南理工大学 | 瓦斯抽采钻孔联管装置及其安装使用方法 |
CN104100291A (zh) * | 2014-07-25 | 2014-10-15 | 太原理工大学 | 一种采空区瓦斯抽采控制装置及方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SHANXI JIN COAL GROUP TECHNOLOGY INSTITUTE LLC Effective date: 20130225 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130225 Address after: 048006 Shanxi province Jincheng city BeiShiDian town of Shanxi Coal Group Patentee after: Shanxi Jincheng Anthracite Mining Industry Group Co., Ltd. Patentee after: SHANXI JINCHENG ANTHRACITE MINING GROUP TECHNOLOGY RESEARCH INSTITUTE CO., LTD. Address before: 048006 Shanxi province Jincheng city BeiShiDian town of Shanxi Coal Group Patentee before: Shanxi Jincheng Anthracite Mining Industry Group Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20161212 |