CN201307166Y - Hydrological observation well mouth-sealing device - Google Patents
Hydrological observation well mouth-sealing device Download PDFInfo
- Publication number
- CN201307166Y CN201307166Y CNU2008202249343U CN200820224934U CN201307166Y CN 201307166 Y CN201307166 Y CN 201307166Y CN U2008202249343 U CNU2008202249343 U CN U2008202249343U CN 200820224934 U CN200820224934 U CN 200820224934U CN 201307166 Y CN201307166 Y CN 201307166Y
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- Prior art keywords
- well
- sealing device
- holder
- permanent seat
- concrete
- Prior art date
- 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.)
- Expired - Lifetime
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Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008202249343U CN201307166Y (en) | 2008-11-28 | 2008-11-28 | Hydrological observation well mouth-sealing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008202249343U CN201307166Y (en) | 2008-11-28 | 2008-11-28 | Hydrological observation well mouth-sealing device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201307166Y true CN201307166Y (en) | 2009-09-09 |
Family
ID=41099633
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2008202249343U Expired - Lifetime CN201307166Y (en) | 2008-11-28 | 2008-11-28 | Hydrological observation well mouth-sealing device |
Country Status (1)
Country | Link |
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CN (1) | CN201307166Y (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2575068A (en) * | 2018-06-27 | 2020-01-01 | Iwireless Solutions Ltd | Enclosure cover with an antenna |
-
2008
- 2008-11-28 CN CNU2008202249343U patent/CN201307166Y/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2575068A (en) * | 2018-06-27 | 2020-01-01 | Iwireless Solutions Ltd | Enclosure cover with an antenna |
US11229136B2 (en) | 2018-06-27 | 2022-01-18 | Freshwave Services Limited | Enclosure cover with an antenna |
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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: Qingzhou Hotone Automatic Water Supply Equipment Co., Ltd. Assignor: Mao Yunming Contract record no.: 2011370000238 Denomination of utility model: Hydrometry wellhead closing device Granted publication date: 20090909 License type: Exclusive License Record date: 20110531 |
|
ASS | Succession or assignment of patent right |
Owner name: SHANDONG HOTONE ENVIRONMENTAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: MAO YUNMING Effective date: 20120213 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 266071 QINGDAO, SHANDONG PROVINCE TO: 262500 WEIFANG, SHANDONG PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20120213 Address after: 262500 No. 2569 South Qingzhou Road, Shandong, Qingzhou Patentee after: SHANDONG HOTONE ENVIRONMENT TECHNOLOGY CO., LTD. Address before: Donghai West Road 266071 Shandong city of Qingdao province No. 48, No. six building four unit 401 room Patentee before: Mao Yunming |
|
CX01 | Expiry of patent term |
Granted publication date: 20090909 |
|
CX01 | Expiry of patent term |