Zhifeng Tang

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Guangdong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Power supply
- Patent number D1027823
- Issue date May 21, 2024
- SHENZHEN HELLO TECH ENERGY CO LTD
- Zhongwei Sun
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Power supply
- Patent number D1004549
- Issue date Nov 14, 2023
- SHENZHEN HELLO TECH ENERGY CO LTD
- Zhongwei Sun
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Storage bag for solar panels
- Patent number D1003597
- Issue date Nov 7, 2023
- SHENZHEN HELLO TECH ENERGY CO LTD
- Zhongwei Sun
- D03 - Travel goods and personal belongings
Information Patent Grant
Power supply
- Patent number D971145
- Issue date Nov 29, 2022
- Shenzhen Hello Tech Energy Co., Ltd.
- Zhongwei Sun
- D13 - Equipment for production, distribution, or transformation of energy