CN207990875U - A kind of cold and heat recovery type ventilation fan - Google Patents
A kind of cold and heat recovery type ventilation fan Download PDFInfo
- Publication number
- CN207990875U CN207990875U CN201820401334.3U CN201820401334U CN207990875U CN 207990875 U CN207990875 U CN 207990875U CN 201820401334 U CN201820401334 U CN 201820401334U CN 207990875 U CN207990875 U CN 207990875U
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- Prior art keywords
- ventilation fan
- main body
- ventilation
- wind
- cold
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820401334.3U CN207990875U (en) | 2018-03-23 | 2018-03-23 | A kind of cold and heat recovery type ventilation fan |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820401334.3U CN207990875U (en) | 2018-03-23 | 2018-03-23 | A kind of cold and heat recovery type ventilation fan |
Publications (1)
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CN207990875U true CN207990875U (en) | 2018-10-19 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201820401334.3U Expired - Fee Related CN207990875U (en) | 2018-03-23 | 2018-03-23 | A kind of cold and heat recovery type ventilation fan |
Country Status (1)
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CN (1) | CN207990875U (en) |
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2018
- 2018-03-23 CN CN201820401334.3U patent/CN207990875U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Collier Heating and Cooling Equipment Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: 2018320000408 Denomination of utility model: A kind of cold and heat recovery type ventilation fan Granted publication date: 20181019 License type: Common License Record date: 20181218 |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Baihe Machinery Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000248 Denomination of utility model: Cold heat recovery type scavenger fan Granted publication date: 20181019 License type: Common License Record date: 20191114 |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201012 Address after: No.88 Kaiyuan Avenue, Hai'an Industrial Park, Nantong City, Jiangsu Province 226600 Patentee after: Jiangsu Baihe Machinery Co.,Ltd. Address before: Longpan road Xuanwu District of Nanjing city of Jiangsu Province, No. 159 210037 Patentee before: NANJING FORESTRY University |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20210323 |
|
CF01 | Termination of patent right due to non-payment of annual fee |