Wai Kwong CHING

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N.T., CN

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Patents Grantslast 30 patents

Information Patent Grant
Tire sealant composition
- Patent number 11,993,036
- Issue date May 28, 2024
- ACTIVE TOOLS INTERNATIONAL (HK) LTD.
- Wai Kwong Ching
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Sealant for tire repairing
- Patent number 10,737,448
- Issue date Aug 11, 2020
- TOP ALLIANCE TECHNOLOGY LTD.
- Koon Fung Lam
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Sealant Bottle
- Publication number 20230256691
- Publication date Aug 17, 2023
- ACTIVE TOOLS INTERNATIONAL (HK) LTD.
- Jui Hung Wesley Hong
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Tire Sealant Composition
- Publication number 20210252810
- Publication date Aug 19, 2021
- ACTIVE TOOLS INTERNATIONAL (HK) LTD.
- Wai Kwong Ching
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
SEALANT FOR TIRE REPAIRING
- Publication number 20180333926
- Publication date Nov 22, 2018
- TOP ALLIANCE TECHNOLOGY LTD.
- Koon Fung LAM
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...