JunHua Jiang

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Zhejiang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Frame door with split connection frame
- Patent number 11,898,400
- Issue date Feb 13, 2024
- Ningbo Tengyu Metal Product Co., Ltd.
- Liujian Zhang
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Split iron frame door structure
- Patent number 11,466,509
- Issue date Oct 11, 2022
- Ningbo Tengyu Metal Product Co., Ltd.
- Peike Zhang
- E04 - BUILDING
Information Patent Grant
Pulley assembly for sliding door
- Patent number D834924
- Issue date Dec 4, 2018
- NINGBO TENGYU METAL PRODUCT CO., LTD.
- XueFeng Mei
- D08 - Tools and hardware

Patents Applicationslast 30 patents

Information Patent Application
Frame door with split connection frame
- Publication number 20230074697
- Publication date Mar 9, 2023
- Ningbo Tengyu Metal Product Co., Ltd.
- Liujian ZHANG
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Assembled door frame
- Publication number 20230070815
- Publication date Mar 9, 2023
- Ningbo Tengyu Metal Product Co., Ltd.
- Peike ZHANG
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
SPLIT IRON FRAME DOOR STRUCTURE
- Publication number 20220065030
- Publication date Mar 3, 2022
- Ningbo Tengyu Metal Product Co., Ltd.
- Peike ZHANG
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS