CN201165875Y - 防撞式风门 - Google Patents
防撞式风门 Download PDFInfo
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- CN201165875Y CN201165875Y CNU2008200695585U CN200820069558U CN201165875Y CN 201165875 Y CN201165875 Y CN 201165875Y CN U2008200695585 U CNU2008200695585 U CN U2008200695585U CN 200820069558 U CN200820069558 U CN 200820069558U CN 201165875 Y CN201165875 Y CN 201165875Y
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2008200695585U CN201165875Y (zh) | 2008-03-13 | 2008-03-13 | 防撞式风门 |
Applications Claiming Priority (1)
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CNU2008200695585U CN201165875Y (zh) | 2008-03-13 | 2008-03-13 | 防撞式风门 |
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CN201165875Y true CN201165875Y (zh) | 2008-12-17 |
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CNU2008200695585U Expired - Fee Related CN201165875Y (zh) | 2008-03-13 | 2008-03-13 | 防撞式风门 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105370310A (zh) * | 2015-12-16 | 2016-03-02 | 北京天地华泰矿业管理股份有限公司 | 一种防突风门自锁装置和方法 |
CN111502743A (zh) * | 2020-06-22 | 2020-08-07 | 永城煤电控股集团有限公司 | 一种瓦斯开采用安全防护装置 |
-
2008
- 2008-03-13 CN CNU2008200695585U patent/CN201165875Y/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105370310A (zh) * | 2015-12-16 | 2016-03-02 | 北京天地华泰矿业管理股份有限公司 | 一种防突风门自锁装置和方法 |
CN111502743A (zh) * | 2020-06-22 | 2020-08-07 | 永城煤电控股集团有限公司 | 一种瓦斯开采用安全防护装置 |
CN111502743B (zh) * | 2020-06-22 | 2021-07-23 | 永城煤电控股集团有限公司 | 一种瓦斯开采用安全防护装置 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Ren Hongxun Inventor after: Pan Songshan Inventor before: Ren Hongxun Inventor before: Wang Guowei Inventor before: Zhang Jiyuan Inventor before: ANN Shuanzhi |
|
TR01 | Transfer of patent right |
Effective date of registration: 20090313 Address after: Longmen coal mine, Zhuge Town, Yanshi City, Henan Province, Luoyang 471935, China Patentee after: Luoyang Longmen Coal Co., Ltd. Address before: Longmen coal mine, Longmen Coal Industry Co., Ltd., Luoyang, Henan, Luoyang Province, China: 471023 Patentee before: Ren Hongxun |
|
ASS | Succession or assignment of patent right |
Owner name: LUOYANG LONGMEN COAL CO., LTD. Free format text: FORMER OWNER: REN HONGXUN Effective date: 20090313 |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: REN HONGXUN; WANG GUOWEI; ZHANG JIYUAN; AN SHUANZHI TO: REN HONGXUN; PAN SONGSHAN |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081217 Termination date: 20100313 |