CN2597658Y - 一种手动简易防喷器 - Google Patents
一种手动简易防喷器 Download PDFInfo
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- CN2597658Y CN2597658Y CNU032112092U CN03211209U CN2597658Y CN 2597658 Y CN2597658 Y CN 2597658Y CN U032112092 U CNU032112092 U CN U032112092U CN 03211209 U CN03211209 U CN 03211209U CN 2597658 Y CN2597658 Y CN 2597658Y
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- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 4
- 230000002265 prevention Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 1
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- 239000003129 oil well Substances 0.000 description 1
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU032112092U CN2597658Y (zh) | 2003-01-28 | 2003-01-28 | 一种手动简易防喷器 |
Applications Claiming Priority (1)
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CNU032112092U CN2597658Y (zh) | 2003-01-28 | 2003-01-28 | 一种手动简易防喷器 |
Publications (1)
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CN2597658Y true CN2597658Y (zh) | 2004-01-07 |
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CNU032112092U Expired - Fee Related CN2597658Y (zh) | 2003-01-28 | 2003-01-28 | 一种手动简易防喷器 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103547764A (zh) * | 2011-06-14 | 2014-01-29 | 现代重工业株式会社 | 具有用于在水中保持防喷器组合体的槽的钻井*** |
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2003
- 2003-01-28 CN CNU032112092U patent/CN2597658Y/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103547764A (zh) * | 2011-06-14 | 2014-01-29 | 现代重工业株式会社 | 具有用于在水中保持防喷器组合体的槽的钻井*** |
CN103547764B (zh) * | 2011-06-14 | 2015-07-22 | 现代重工业株式会社 | 具有用于在水中保持防喷器组合体的槽的钻井*** |
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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: SHENYANG DAHUA PETROLEUM EQUIPMENT CO., LTD. Free format text: FORMER OWNER: LIU SHUJUAN Effective date: 20070928 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20070928 Address after: 110044 No. 252-8, Union Road, Dadong District, Liaoning, Shenyang Patentee after: Dahua Petroleum Equipment Co., Ltd., Shenyang Address before: 110015, Liaoning, Shenyang province Shenhe District small South Street Hexing Lane No. 12 Patentee before: Liu Shujuan |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040107 Termination date: 20120128 |