CN204852379U - 一种超硬质双向密封蝶阀 - Google Patents
一种超硬质双向密封蝶阀 Download PDFInfo
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- CN204852379U CN204852379U CN201520618484.6U CN201520618484U CN204852379U CN 204852379 U CN204852379 U CN 204852379U CN 201520618484 U CN201520618484 U CN 201520618484U CN 204852379 U CN204852379 U CN 204852379U
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CN105156698A (zh) * | 2015-08-17 | 2015-12-16 | 王志强 | 一种超硬质双向密封蝶阀 |
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CN105156698A (zh) * | 2015-08-17 | 2015-12-16 | 王志强 | 一种超硬质双向密封蝶阀 |
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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: 20160628 Address after: 065000, No. 150, fertile Road, long river hi tech Industrial Zone, Anci District, Hebei, Langfang Patentee after: Hebei tong'ao energy saving equipment Co. Ltd. Address before: 065802 -1795, Chuang-tzu village, Newtown Town, Langfang County, Hebei, China Patentee before: Wang Zhiqiang |
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TR01 | Transfer of patent right |
Effective date of registration: 20190612 Address after: 065000 Zhouzhuangzi Village, Xinzhen Town, Wen'an County, Langfang City, Hebei Province Patentee after: Langfang Tongao Energy Technology Co., Ltd. Address before: No. 150 Furuo Road, Longhe High-tech Industrial Zone, Anci District, Langfang City, Hebei Province, 065000 Patentee before: Hebei tong'ao energy saving equipment Co. Ltd. |
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TR01 | Transfer of patent right | ||
CB03 | Change of inventor or designer information |
Inventor after: Guo Hongtao Inventor before: Wang Zhiqiang Inventor before: Guo Hongwei |
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CB03 | Change of inventor or designer information | ||
CP02 | Change in the address of a patent holder |
Address after: 065800 Guihua 2nd Road, Wenan Economic Development Zone, Langfang City, Hebei Province Patentee after: Langfang Tongao Energy Technology Co.,Ltd. Address before: 065000 Zhouzhuangzi Village, Xinzhen Town, Wen'an County, Langfang City, Hebei Province Patentee before: Langfang Tongao Energy Technology Co.,Ltd. |
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CP02 | Change in the address of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20211029 Address after: 065800 east of Tian Ge Zhuang Cun, Xin Zhen, Wen'an County, Langfang City, Hebei Province Patentee after: Langfang aoqiang Energy Equipment Co.,Ltd. Address before: 065800 Guihua 2nd Road, Wenan Economic Development Zone, Langfang City, Hebei Province Patentee before: Langfang Tongao Energy Technology Co.,Ltd. |
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TR01 | Transfer of patent right |