CN202441260U - 油田取心钻头 - Google Patents
油田取心钻头 Download PDFInfo
- Publication number
- CN202441260U CN202441260U CN2012200633886U CN201220063388U CN202441260U CN 202441260 U CN202441260 U CN 202441260U CN 2012200633886 U CN2012200633886 U CN 2012200633886U CN 201220063388 U CN201220063388 U CN 201220063388U CN 202441260 U CN202441260 U CN 202441260U
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- oil field
- cutting teeth
- core bit
- core
- cone table
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012200633886U CN202441260U (zh) | 2012-02-21 | 2012-02-21 | 油田取心钻头 |
Applications Claiming Priority (1)
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CN2012200633886U CN202441260U (zh) | 2012-02-21 | 2012-02-21 | 油田取心钻头 |
Publications (1)
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CN202441260U true CN202441260U (zh) | 2012-09-19 |
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CN2012200633886U Expired - Fee Related CN202441260U (zh) | 2012-02-21 | 2012-02-21 | 油田取心钻头 |
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CN (1) | CN202441260U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104110216A (zh) * | 2013-04-19 | 2014-10-22 | 苏州文鼎模具有限公司 | 一种取芯钻头 |
-
2012
- 2012-02-21 CN CN2012200633886U patent/CN202441260U/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104110216A (zh) * | 2013-04-19 | 2014-10-22 | 苏州文鼎模具有限公司 | 一种取芯钻头 |
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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: HAN WEIPING Free format text: FORMER OWNER: ZHOU JUNMING Effective date: 20130515 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 322304 JINHUA, ZHEJIANG PROVINCE TO: 455102 ANYANG, HENAN PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20130515 Address after: 455102, Henan, Anyang Province North Zone fish village Patentee after: Han Weiping Address before: 322304, No. 56, former village street, Fang Zhen, Panan County, Zhejiang Patentee before: Zhou Junming |
|
ASS | Succession or assignment of patent right |
Owner name: XI AN AONENG OIL EQUIPMENT CO., LTD. Free format text: FORMER OWNER: HAN WEIPING Effective date: 20130609 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 455102 ANYANG, HENAN PROVINCE TO: 710000 XI AN, SHAANXI PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20130609 Address after: 710000 Shaanxi city in Xi'an Province Road nine, Fengcheng economic and Technological Development Zone about forty-sixth City Building 2 unit 12 floor No. 21207 Patentee after: XI'AN AONENG OIL EQUIPMENT CO., LTD. Address before: 455102, Henan, Anyang Province North Zone fish village Patentee before: Han Weiping |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20150221 |
|
EXPY | Termination of patent right or utility model |