CN2535554Y - 独立平衡的直线电机抽油机 - Google Patents
独立平衡的直线电机抽油机 Download PDFInfo
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- CN2535554Y CN2535554Y CN 02204943 CN02204943U CN2535554Y CN 2535554 Y CN2535554 Y CN 2535554Y CN 02204943 CN02204943 CN 02204943 CN 02204943 U CN02204943 U CN 02204943U CN 2535554 Y CN2535554 Y CN 2535554Y
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- linear motor
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 02204943 CN2535554Y (zh) | 2002-03-07 | 2002-03-07 | 独立平衡的直线电机抽油机 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 02204943 CN2535554Y (zh) | 2002-03-07 | 2002-03-07 | 独立平衡的直线电机抽油机 |
Publications (1)
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CN2535554Y true CN2535554Y (zh) | 2003-02-12 |
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CN 02204943 Expired - Lifetime CN2535554Y (zh) | 2002-03-07 | 2002-03-07 | 独立平衡的直线电机抽油机 |
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CN (1) | CN2535554Y (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100337035C (zh) * | 2004-04-09 | 2007-09-12 | 周小稀 | 内置定子的直线电机抽油机 |
-
2002
- 2002-03-07 CN CN 02204943 patent/CN2535554Y/zh not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100337035C (zh) * | 2004-04-09 | 2007-09-12 | 周小稀 | 内置定子的直线电机抽油机 |
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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: WUHAN CITY JIANGHAN PETROLEUM MACHINERY CO., LTD. Free format text: FORMER OWNER: ZHOU XIAOXI Effective date: 20060331 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20060331 Address after: 433114 Qianjiang, Hubei province Jianghan town Jianghan Petroleum Machinery Plant Patentee after: Wuhan Jianghan Petroleum Machinery Co., Ltd. Address before: 062550 Huabei Oil Drilling Research Institute, Renqiu, Hebei Patentee before: Zhou Xiaoxi |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20120307 Granted publication date: 20030212 |