CN2869307Y - 阻垢器 - Google Patents
阻垢器 Download PDFInfo
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- CN2869307Y CN2869307Y CN 200520133361 CN200520133361U CN2869307Y CN 2869307 Y CN2869307 Y CN 2869307Y CN 200520133361 CN200520133361 CN 200520133361 CN 200520133361 U CN200520133361 U CN 200520133361U CN 2869307 Y CN2869307 Y CN 2869307Y
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520133361 CN2869307Y (zh) | 2005-11-21 | 2005-11-21 | 阻垢器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520133361 CN2869307Y (zh) | 2005-11-21 | 2005-11-21 | 阻垢器 |
Publications (1)
Publication Number | Publication Date |
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CN2869307Y true CN2869307Y (zh) | 2007-02-14 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200520133361 Expired - Fee Related CN2869307Y (zh) | 2005-11-21 | 2005-11-21 | 阻垢器 |
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CN (1) | CN2869307Y (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103946477A (zh) * | 2011-11-30 | 2014-07-23 | 韦尔泰克有限公司 | 用于处理套管的内表面的清洁工具和方法 |
CN104847310A (zh) * | 2015-04-29 | 2015-08-19 | 王素君 | 开采石油的助抽装置 |
CN105298402A (zh) * | 2015-04-08 | 2016-02-03 | 关良玉 | 一种防蜡防垢防腐合金助抽装置的制造方法 |
-
2005
- 2005-11-21 CN CN 200520133361 patent/CN2869307Y/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103946477A (zh) * | 2011-11-30 | 2014-07-23 | 韦尔泰克有限公司 | 用于处理套管的内表面的清洁工具和方法 |
CN105298402A (zh) * | 2015-04-08 | 2016-02-03 | 关良玉 | 一种防蜡防垢防腐合金助抽装置的制造方法 |
CN104847310A (zh) * | 2015-04-29 | 2015-08-19 | 王素君 | 开采石油的助抽装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang weiqixin Petroleum Machinery Co., Ltd. Assignor: Hu Dingqing Contract fulfillment period: 2007.2.16 to 2015.2.16 Contract record no.: 2009330002002 Denomination of utility model: Target type scale inhibition device Granted publication date: 20070214 License type: Exclusive license Record date: 20090818 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.2.16 TO 2015.2.16; CHANGE OF CONTRACT Name of requester: ZHEJIANG WEIQIXIN PETROLEUM MACHINERY CO., LTD. Effective date: 20090818 |
|
DD01 | Delivery of document by public notice |
Addressee: Hu Dingqing Document name: Review of business letter |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070214 Termination date: 20131121 |