CN201786330U - 低速大扭矩电机抽油机 - Google Patents
低速大扭矩电机抽油机 Download PDFInfo
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- CN201786330U CN201786330U CN2010201406170U CN201020140617U CN201786330U CN 201786330 U CN201786330 U CN 201786330U CN 2010201406170 U CN2010201406170 U CN 2010201406170U CN 201020140617 U CN201020140617 U CN 201020140617U CN 201786330 U CN201786330 U CN 201786330U
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Application Number | Priority Date | Filing Date | Title |
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CN2010201406170U CN201786330U (zh) | 2010-02-26 | 2010-02-26 | 低速大扭矩电机抽油机 |
Applications Claiming Priority (1)
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CN2010201406170U CN201786330U (zh) | 2010-02-26 | 2010-02-26 | 低速大扭矩电机抽油机 |
Publications (1)
Publication Number | Publication Date |
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CN201786330U true CN201786330U (zh) | 2011-04-06 |
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CN2010201406170U Expired - Lifetime CN201786330U (zh) | 2010-02-26 | 2010-02-26 | 低速大扭矩电机抽油机 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102817587A (zh) * | 2011-11-15 | 2012-12-12 | 中国石油大学(华东) | 直驱电机抽油机 |
CN103670339A (zh) * | 2013-11-15 | 2014-03-26 | 河南信宇石油机械制造股份有限公司 | 皮带钢丝绳组合牵引数字化节能抽油机 |
-
2010
- 2010-02-26 CN CN2010201406170U patent/CN201786330U/zh not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102817587A (zh) * | 2011-11-15 | 2012-12-12 | 中国石油大学(华东) | 直驱电机抽油机 |
CN102817587B (zh) * | 2011-11-15 | 2015-05-27 | 中国石油大学(华东) | 直驱电机抽油机 |
CN103670339A (zh) * | 2013-11-15 | 2014-03-26 | 河南信宇石油机械制造股份有限公司 | 皮带钢丝绳组合牵引数字化节能抽油机 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: LANDY WEIYE TECHNOLOGY GROUP CO., LTD. Free format text: FORMER NAME: LANDY ENERGY SERVICES, INC. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 100101 Beijing City, Chaoyang District Road No. 5 great center of C building room 1005 Patentee after: Landy Weiye Technology Group Co., Ltd. Patentee after: Xiao Wensheng Address before: 100101 Beijing City, Chaoyang District Road No. 5 great center of C building room 1005 Patentee before: Beijing Landy Great Exploit Science and Technology Develop Co., Ltd. Patentee before: Xiao Wensheng |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20110406 |