CN201080913Y - 强启闭多级弹性密封抽油泵 - Google Patents
强启闭多级弹性密封抽油泵 Download PDFInfo
- Publication number
- CN201080913Y CN201080913Y CNU200720026761XU CN200720026761U CN201080913Y CN 201080913 Y CN201080913 Y CN 201080913Y CN U200720026761X U CNU200720026761X U CN U200720026761XU CN 200720026761 U CN200720026761 U CN 200720026761U CN 201080913 Y CN201080913 Y CN 201080913Y
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- Prior art keywords
- strike
- sealed
- pump
- ofing
- elastic
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU200720026761XU CN201080913Y (zh) | 2007-08-29 | 2007-08-29 | 强启闭多级弹性密封抽油泵 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNU200720026761XU CN201080913Y (zh) | 2007-08-29 | 2007-08-29 | 强启闭多级弹性密封抽油泵 |
Publications (1)
Publication Number | Publication Date |
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CN201080913Y true CN201080913Y (zh) | 2008-07-02 |
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Application Number | Title | Priority Date | Filing Date |
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CNU200720026761XU Expired - Lifetime CN201080913Y (zh) | 2007-08-29 | 2007-08-29 | 强启闭多级弹性密封抽油泵 |
Country Status (1)
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CN (1) | CN201080913Y (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113074101A (zh) * | 2020-01-06 | 2021-07-06 | 中国石油化工股份有限公司 | 拉杆式防气防砂抽油泵 |
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2007
- 2007-08-29 CN CNU200720026761XU patent/CN201080913Y/zh not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113074101A (zh) * | 2020-01-06 | 2021-07-06 | 中国石油化工股份有限公司 | 拉杆式防气防砂抽油泵 |
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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: Shandong Weima pumps manufacturing Co. Assignor: Ma Baozhong Contract record no.: 2012370000127 Denomination of utility model: Strong open-close multilevel elastic seal oil pump Granted publication date: 20080702 License type: Exclusive License Record date: 20120427 |
|
ASS | Succession or assignment of patent right |
Owner name: SHANDONG WEIMA PUMPS MANUFACTURING CO., LTD. Free format text: FORMER OWNER: MA BAOZHONG Effective date: 20140516 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 271100 LAIWU, SHANDONG PROVINCE TO: 271199 LAIWU, SHANDONG PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20140516 Address after: 271199 intersection of Yuntai Mountain Road and Panlong River Street, Laiwu hi tech Zone, Shandong Patentee after: SHANDONG WEIMA PUMP MANUFACTURING CO., LTD. Address before: 271100 Shandong city of Laiwu province high tech Zone Plate Dragon River Street No. 007 Shandong Weima pumps manufacturing Co. Patentee before: Ma Baozhong |
|
CX01 | Expiry of patent term |
Granted publication date: 20080702 |
|
CX01 | Expiry of patent term |