Li Changyong

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Dongguan City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Germicidal lighting
- Patent number 12,109,338
- Issue date Oct 8, 2024
- WANGS ALLIANCE CORPORATION
- Shelley S. Wald
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Germicidal lighting
- Patent number 11,696,970
- Issue date Jul 11, 2023
- WANGS ALLIANCE CORPORATION
- Shelley S. Wald
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Germicidal lighting
- Patent number 11,612,670
- Issue date Mar 28, 2023
- WANGS ALLIANCE CORPORATION
- Shelley S. Wald
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Germicidal lighting
- Patent number 11,433,154
- Issue date Sep 6, 2022
- WANGS ALLIANCE CORPORATION
- Shelley S. Wald
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Germicidal lighting
- Patent number 11,400,177
- Issue date Aug 2, 2022
- WANGS ALLIANCE CORPORATION
- Shelley S. Wald
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
GERMICIDAL LIGHTING
- Publication number 20240216564
- Publication date Jul 4, 2024
- Wangs Alliance Corporation
- Shelley S. Wald
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
GERMICIDAL LIGHTING
- Publication number 20230097325
- Publication date Mar 30, 2023
- Wangs Alliance Corporation
- Shelley S. Wald
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
GERMICIDAL LIGHTING
- Publication number 20220409762
- Publication date Dec 29, 2022
- Wangs Alliance Corporation
- Shelley S. Wald
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
GERMICIDAL LIGHTING
- Publication number 20220088252
- Publication date Mar 24, 2022
- Wangs Alliance Corporation
- Shelley S. Wald
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
GERMICIDAL LIGHTING
- Publication number 20210353813
- Publication date Nov 18, 2021
- Wangs Alliance Corporation
- Shelley S. Wald
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE