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Chengdu, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Lamp panel plugged type LED lamp bulb
Patent number
12,241,599
Issue date
Mar 4, 2025
DONGGUAN HUIHUAN LIGHTING CO., LTD.
Song Wang
F21 - LIGHTING
Information
Patent Grant
LED lamp structure
Patent number
12,234,954
Issue date
Feb 25, 2025
DONGGUAN HUIHUAN LIGHTING CO., LTD.
Song Wang
F21 - LIGHTING
Information
Patent Grant
Glue sealed type waterproof lamp bulb
Patent number
12,152,740
Issue date
Nov 26, 2024
DONGGUAN HUIHUAN LIGHTING CO., LTD.
Song Wang
F21 - LIGHTING
Information
Patent Grant
Outdoor decorative lamp
Patent number
12,092,293
Issue date
Sep 17, 2024
DONGGUAN HUIHUAN LIGHTING CO., LTD.
Song Wang
F21 - LIGHTING
Information
Patent Grant
Non-welded and anti-deformation lamp base and non-welded and anti-d...
Patent number
12,078,323
Issue date
Sep 3, 2024
DONGGUAN HUIHUAN LIGHTING CO., LTD.
Song Wang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
LED lamp bulb with crimp type fixed wires
Patent number
11,913,625
Issue date
Feb 27, 2024
DONGGUAN HUIHUAN LIGHTING CO., LTD.
Song Wang
F21 - LIGHTING
Information
Patent Grant
Wrap-around flared lamp
Patent number
11,846,395
Issue date
Dec 19, 2023
DONGGUAN HUIHUAN LIGHTING CO., LTD.
Song Wang
F21 - LIGHTING
Information
Patent Grant
Lamp bulb with flowing type light effect
Patent number
11,835,185
Issue date
Dec 5, 2023
DONGGUAN HUIHUAN LIGHTING CO., LTD
Song Wang
F21 - LIGHTING
Information
Patent Grant
Waterproof bulb with horizontally mounted PCB
Patent number
11,835,186
Issue date
Dec 5, 2023
DONGGUAN HUIHUAN LIGHTING CO., LTD.
Song Wang
F21 - LIGHTING
Information
Patent Grant
LED lamp with soft rubber stem
Patent number
11,635,175
Issue date
Apr 25, 2023
DONGGUAN HUIHUAN LIGHTING CO., LTD.
Song Wang
F21 - LIGHTING
Information
Patent Grant
Waterproof light bulb
Patent number
11,635,173
Issue date
Apr 25, 2023
DONGGUAN HUIHUAN LIGHTING CO., LTD.
Song Wang
F21 - LIGHTING
Information
Patent Grant
LED lamp with improved lamp holder structure
Patent number
11,598,492
Issue date
Mar 7, 2023
DONGGUAN HUIHUAN LIGHTING CO., LTD.
Song Wang
F21 - LIGHTING
Information
Patent Grant
Multi-resistor waterproof bulb structure
Patent number
11,293,599
Issue date
Apr 5, 2022
DONGGUAN HUIHUAN LIGHTING CO., LTD.
Song Wang
F21 - LIGHTING
Information
Patent Grant
Waterproof bulb structure
Patent number
11,293,596
Issue date
Apr 5, 2022
DONGGUAN HUIHUAN LIGHTING CO., LTD.
Song Wang
F21 - LIGHTING
Information
Patent Grant
Dual-resistor shatter-resistant bulb
Patent number
11,293,598
Issue date
Apr 5, 2022
DONGGUAN HUIHUAN LIGHTING CO, , LTD.
Song Wang
F21 - LIGHTING
Information
Patent Grant
Bulb core column structure and bulb with the same
Patent number
11,215,327
Issue date
Jan 4, 2022
DONGGUAN HUIHUAN LIGHTING CO., LTD.
Song Wang
F21 - LIGHTING
Patents Applications
last 30 patents
Information
Patent Application
LED LAMP STRUCTURE
Publication number
20240426437
Publication date
Dec 26, 2024
DONGGUAN HUIHUAN LIGHTING CO., LTD
Song Wang
F21 - LIGHTING
Information
Patent Application
LAMP PANEL PLUGGED TYPE LED LAMP BULB
Publication number
20240392933
Publication date
Nov 28, 2024
DONGGUAN HUIHUAN LIGHTING CO., LTD
Song Wang
F21 - LIGHTING
Information
Patent Application
GLUE SEALED TYPE WATERPROOF LAMP BULB
Publication number
20240392932
Publication date
Nov 28, 2024
DONGGUAN HUIHUAN LIGHTING CO., LTD
Song Wang
F21 - LIGHTING
Information
Patent Application
OUTDOOR DECORATIVE LAMP
Publication number
20240142080
Publication date
May 2, 2024
DONGGUAN HUIHUAN LIGHTING CO., LTD
Song Wang
F21 - LIGHTING
Information
Patent Application
NON-WELDED AND ANTI-DEFORMATION LAMP BASE AND NON-WELDED AND ANTI-D...
Publication number
20240068645
Publication date
Feb 29, 2024
DONGGUAN HUIHUAN LIGHTING CO., LTD
Song Wang
F21 - LIGHTING
Information
Patent Application
WATERPROOF BULB WITH HORIZONTALLY MOUNTED PCB
Publication number
20230194056
Publication date
Jun 22, 2023
DONGGUAN HUIHUAN LIGHTING CO.,LTD
Song Wang
F21 - LIGHTING
Information
Patent Application
LAMP BULB WITH FLOWING TYPE LIGHT EFFECT
Publication number
20230134858
Publication date
May 4, 2023
DONGGUAN HUIHUAN LIGHTING CO., LTD
Song Wang
F21 - LIGHTING
Information
Patent Application
LED LAMP BULB WITH CRIMP TYPE FIXED WIRES
Publication number
20230135391
Publication date
May 4, 2023
DONGGUAN HUIHUAN LIGHTING CO.,LTD
Song Wang
F21 - LIGHTING
Information
Patent Application
Wrap-around Flared Lamp
Publication number
20220349532
Publication date
Nov 3, 2022
DONGGUAN HUIHUAN LIGHTING CO.,LTD
Song Wang
F21 - LIGHTING