Nengjun HU

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Shenzhen, Guangdong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Silent spring hinge
- Patent number 10,597,924
- Issue date Mar 24, 2020
- UNIND (SHENZHEN) CO., LIMITED
- Nengjun Hu
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Gear structure spring hinge
- Patent number 10,501,976
- Issue date Dec 10, 2019
- UNIND (SHENZHEN) CO., LIMITED
- Nengjun Hu
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
GEAR STRUCTURE SPRING HINGE
- Publication number 20190169902
- Publication date Jun 6, 2019
- UNIND (Shenzhen) Co., Limited
- Nengjun HU
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
SILENT SPRING HINGE
- Publication number 20190169904
- Publication date Jun 6, 2019
- UNIND (Shenzhen) Co., Limited
- Nengjun HU
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES