CN201399168Y - 一种新型瓦斯管道阻火器 - Google Patents
一种新型瓦斯管道阻火器 Download PDFInfo
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- CN201399168Y CN201399168Y CN 200920127207 CN200920127207U CN201399168Y CN 201399168 Y CN201399168 Y CN 201399168Y CN 200920127207 CN200920127207 CN 200920127207 CN 200920127207 U CN200920127207 U CN 200920127207U CN 201399168 Y CN201399168 Y CN 201399168Y
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920127207 CN201399168Y (zh) | 2009-04-30 | 2009-04-30 | 一种新型瓦斯管道阻火器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920127207 CN201399168Y (zh) | 2009-04-30 | 2009-04-30 | 一种新型瓦斯管道阻火器 |
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| Publication Number | Publication Date |
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| CN201399168Y true CN201399168Y (zh) | 2010-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200920127207 Expired - Lifetime CN201399168Y (zh) | 2009-04-30 | 2009-04-30 | 一种新型瓦斯管道阻火器 |
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| CN (1) | CN201399168Y (zh) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107115608A (zh) * | 2017-06-30 | 2017-09-01 | 天津市振津石油天然气工程有限公司 | 一种带衬板的螺纹连接的阻火网式阻火器 |
| CN107842389A (zh) * | 2017-11-06 | 2018-03-27 | 中煤科工集团重庆研究院有限公司 | 具自清洗功能的瓦斯抽放用阻火装置 |
| CN111888693A (zh) * | 2020-06-08 | 2020-11-06 | 汪洵 | 一种安全性高的管道防火器 |
-
2009
- 2009-04-30 CN CN 200920127207 patent/CN201399168Y/zh not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107115608A (zh) * | 2017-06-30 | 2017-09-01 | 天津市振津石油天然气工程有限公司 | 一种带衬板的螺纹连接的阻火网式阻火器 |
| CN107842389A (zh) * | 2017-11-06 | 2018-03-27 | 中煤科工集团重庆研究院有限公司 | 具自清洗功能的瓦斯抽放用阻火装置 |
| CN111888693A (zh) * | 2020-06-08 | 2020-11-06 | 汪洵 | 一种安全性高的管道防火器 |
| CN111888693B (zh) * | 2020-06-08 | 2021-09-07 | 蒯念生 | 一种安全性高的管道防火器 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA COAL TECHNOLOGY ENGINEERING GROUP CHONGQING Free format text: FORMER NAME: CHINA COAL SCIENCE AND INDUSTRY GROUP CHONGQING RESEARCH INSTITUTE Owner name: CHINA COAL SCIENCE AND INDUSTRY GROUP CHONGQING RE Free format text: FORMER NAME: COAL SCIENTIFIC RESEARCH INSTITUTE CHONGQING INSTITUTE |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee after: Chongqing Research Institute of China Coal Technology & Engineering Group Corp. Address before: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee before: Chongqing Institute of Coal Science Research Institute |
|
| CP03 | Change of name, title or address |
Address after: 400039 Chongqing Jiulongpo Branch City Road No. 6 Patentee after: CCTEG CHONGQING RESEARCH INSTITUTE Co.,Ltd. Address before: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee before: Chongqing Research Institute of China Coal Technology & Engineering Group Corp. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100210 |
|
| CX01 | Expiry of patent term |