CN201648522U - 一种牺牲阳极保护阴极——抽油泵防腐装置 - Google Patents
一种牺牲阳极保护阴极——抽油泵防腐装置 Download PDFInfo
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- CN201648522U CN201648522U CN 201020003488 CN201020003488U CN201648522U CN 201648522 U CN201648522 U CN 201648522U CN 201020003488 CN201020003488 CN 201020003488 CN 201020003488 U CN201020003488 U CN 201020003488U CN 201648522 U CN201648522 U CN 201648522U
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- well pump
- oil well
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- oil
- sacrificial anode
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CN 201020003488 CN201648522U (zh) | 2010-01-10 | 2010-01-10 | 一种牺牲阳极保护阴极——抽油泵防腐装置 |
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CN 201020003488 CN201648522U (zh) | 2010-01-10 | 2010-01-10 | 一种牺牲阳极保护阴极——抽油泵防腐装置 |
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CN201648522U true CN201648522U (zh) | 2010-11-24 |
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CN 201020003488 Expired - Fee Related CN201648522U (zh) | 2010-01-10 | 2010-01-10 | 一种牺牲阳极保护阴极——抽油泵防腐装置 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104404532A (zh) * | 2014-12-15 | 2015-03-11 | 山东德瑞防腐材料有限公司 | 城市管网用大表面积镁合金牺牲阳极组件 |
CN106016336A (zh) * | 2016-06-24 | 2016-10-12 | 桂林市淦隆环保科技有限公司 | 耐腐蚀醇基燃料油泵及防腐蚀方法 |
CN110869726A (zh) * | 2017-07-07 | 2020-03-06 | 恩德莱斯和豪瑟尔欧洲两合公司 | 用于现场设备的腐蚀保护元件 |
-
2010
- 2010-01-10 CN CN 201020003488 patent/CN201648522U/zh not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104404532A (zh) * | 2014-12-15 | 2015-03-11 | 山东德瑞防腐材料有限公司 | 城市管网用大表面积镁合金牺牲阳极组件 |
CN106016336A (zh) * | 2016-06-24 | 2016-10-12 | 桂林市淦隆环保科技有限公司 | 耐腐蚀醇基燃料油泵及防腐蚀方法 |
CN110869726A (zh) * | 2017-07-07 | 2020-03-06 | 恩德莱斯和豪瑟尔欧洲两合公司 | 用于现场设备的腐蚀保护元件 |
US11340126B2 (en) | 2017-07-07 | 2022-05-24 | Endress+Hauser SE+Co. KG | Corrosion-protection element for a field device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Sacrificial anode protection cathode oil well pump corrosion protection device Effective date of registration: 20121030 Granted publication date: 20101124 Pledgee: Bank of China, Limited by Share Ltd, Zhongyuan Oilfield Branch of Puyang Pledgor: Xinyu Petroleum Machinery and Chemical Co., Ltd., Puyang City Registration number: 2012990000656 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: HENAN XINYU PETROLEUM MACHINERY MANUFACTURING CO., Free format text: FORMER NAME: XINYU PETROLEUM MACHINERY AND CHEMICAL CO., LTD., PUYANG CITY |
|
CP03 | Change of name, title or address |
Address after: Hualong District of Puyang City, Henan Province, 457006 State Road 106 and Kam Tin Road intersection East 100 meters Patentee after: Henan letter space petroleum machinery is manufactured limited company Address before: Puyang City, Henan province 457001 Road on the north side of Xinyu Petrochemical Company Patentee before: Xinyu Petroleum Machinery and Chemical Co., Ltd., Puyang City |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20140320 Granted publication date: 20101124 Pledgee: Bank of China, Limited by Share Ltd, Zhongyuan Oilfield Branch of Puyang Pledgor: Henan letter space petroleum machinery is manufactured limited company Registration number: 2012990000656 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Sacrificial anode protection cathode oil well pump corrosion protection device Effective date of registration: 20140320 Granted publication date: 20101124 Pledgee: Bank of China, Limited by Share Ltd, Zhongyuan Oilfield Branch of Puyang Pledgor: Henan letter space petroleum machinery is manufactured limited company Registration number: 2014990000182 |
|
PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20140320 Registration number: 2012990000656 Pledgor after: Henan letter space petroleum machinery is manufactured limited company Pledgor before: Xinyu Petroleum Machinery and Chemical Co., Ltd., Puyang City |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20180110 |