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Lidan Ruan
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Zhejiang, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Light string with waterproof structure
Patent number
12,359,801
Issue date
Jul 15, 2025
Ningbo Maoli Electric Appliance Co., Ltd.
Lidan Ruan
F21 - LIGHTING
Information
Patent Grant
Socket system with extension cord
Patent number
12,316,053
Issue date
May 27, 2025
Ningbo Maoli Electric Appliance Co., Ltd.
Lidan Ruan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Waterproof connector, cable extension cord and waterproof string light
Patent number
12,126,114
Issue date
Oct 22, 2024
Ningbo Maoli Electric Appliance Co., Ltd
Lidan Ruan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Decorative lamp
Patent number
12,098,808
Issue date
Sep 24, 2024
Lidan Ruan
F21 - LIGHTING
Information
Patent Grant
Power strip with night light function
Patent number
11,536,442
Issue date
Dec 27, 2022
Lidan Ruan
F21 - LIGHTING