CN202544816U - 双井平行四连杆抽油机 - Google Patents
双井平行四连杆抽油机 Download PDFInfo
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- CN202544816U CN202544816U CN201220019729XU CN201220019729U CN202544816U CN 202544816 U CN202544816 U CN 202544816U CN 201220019729X U CN201220019729X U CN 201220019729XU CN 201220019729 U CN201220019729 U CN 201220019729U CN 202544816 U CN202544816 U CN 202544816U
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Application Number | Priority Date | Filing Date | Title |
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CN201220019729XU CN202544816U (zh) | 2012-01-17 | 2012-01-17 | 双井平行四连杆抽油机 |
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CN201220019729XU CN202544816U (zh) | 2012-01-17 | 2012-01-17 | 双井平行四连杆抽油机 |
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CN202544816U true CN202544816U (zh) | 2012-11-21 |
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CN201220019729XU Expired - Lifetime CN202544816U (zh) | 2012-01-17 | 2012-01-17 | 双井平行四连杆抽油机 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104481457A (zh) * | 2014-09-29 | 2015-04-01 | 张向明 | 天秤式四杆全平衡长冲程抽油机 |
CN104632140A (zh) * | 2014-11-25 | 2015-05-20 | 王树国 | 一种新型节能抽油机及应用方法 |
CN104975825A (zh) * | 2015-07-10 | 2015-10-14 | 常依懿 | 平行四边形框架全平衡长冲程抽油机 |
-
2012
- 2012-01-17 CN CN201220019729XU patent/CN202544816U/zh not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104481457A (zh) * | 2014-09-29 | 2015-04-01 | 张向明 | 天秤式四杆全平衡长冲程抽油机 |
CN104632140A (zh) * | 2014-11-25 | 2015-05-20 | 王树国 | 一种新型节能抽油机及应用方法 |
CN104975825A (zh) * | 2015-07-10 | 2015-10-14 | 常依懿 | 平行四边形框架全平衡长冲程抽油机 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160203 Address after: 430070 Hubei Province, Wuhan city Hongshan District Luoyu Road No. 424 Patentee after: Wuhan Xin Ding Tai Technology Co., Ltd. Address before: 430074 Wuhan, Hongshan Province District, hung Chu street, No. 693 Patentee before: Wuhan Institute of Technology |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180608 Address after: 430070 Wuhan new East Lake Technology Development Zone, Hubei, China, A 2 unit 2, 12. Patentee after: Wuhan crown Oil Technology Co., Ltd. Address before: No. 424, Lo Yu Road, Hongshan District, Wuhan, Hubei Province Patentee before: Wuhan Xin Ding Tai Technology Co., Ltd. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20121121 |