CN202484385U - 一种防火排气阀 - Google Patents
一种防火排气阀 Download PDFInfo
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- CN202484385U CN202484385U CN2012200404711U CN201220040471U CN202484385U CN 202484385 U CN202484385 U CN 202484385U CN 2012200404711 U CN2012200404711 U CN 2012200404711U CN 201220040471 U CN201220040471 U CN 201220040471U CN 202484385 U CN202484385 U CN 202484385U
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- fire prevention
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CN2012200404711U CN202484385U (zh) | 2012-02-08 | 2012-02-08 | 一种防火排气阀 |
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CN2012200404711U CN202484385U (zh) | 2012-02-08 | 2012-02-08 | 一种防火排气阀 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103161983A (zh) * | 2013-02-01 | 2013-06-19 | 深圳市万居科技股份有限公司 | 导流排气防火阀 |
CN103244730A (zh) * | 2012-02-08 | 2013-08-14 | 张琦 | 一种防火排气阀 |
CN104723041A (zh) * | 2015-04-07 | 2015-06-24 | 张国君 | 新型文丘里阀的制作方法 |
CN111006044A (zh) * | 2019-12-30 | 2020-04-14 | 唐山市正达建筑材料有限公司 | 一种房屋建筑用射引流拔气防火阀及其使用方法 |
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2012
- 2012-02-08 CN CN2012200404711U patent/CN202484385U/zh not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103244730A (zh) * | 2012-02-08 | 2013-08-14 | 张琦 | 一种防火排气阀 |
CN103161983A (zh) * | 2013-02-01 | 2013-06-19 | 深圳市万居科技股份有限公司 | 导流排气防火阀 |
CN104723041A (zh) * | 2015-04-07 | 2015-06-24 | 张国君 | 新型文丘里阀的制作方法 |
CN104723041B (zh) * | 2015-04-07 | 2019-09-13 | 张国君 | 文丘里阀的制作方法 |
CN111006044A (zh) * | 2019-12-30 | 2020-04-14 | 唐山市正达建筑材料有限公司 | 一种房屋建筑用射引流拔气防火阀及其使用方法 |
CN111006044B (zh) * | 2019-12-30 | 2024-03-01 | 唐山市正达建筑材料有限公司 | 一种房屋建筑用射引流拔气防火阀及其使用方法 |
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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: SHENZHEN WANJU TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHANG QI Effective date: 20140325 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140325 Address after: Xiangnian Plaza Nanshan District Qiaoxiang road 518000 Shenzhen city in Guangdong province (North) building (C block) 604 Patentee after: Shenzhen Wanshaju Industrial Development Ltd. Address before: Room 604, building, incense Plaza, No. 6060, incense Road, Nanshan District, Shenzhen, Guangdong, China (C) Patentee before: Zhang Qi |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20150208 |
|
EXPY | Termination of patent right or utility model |