Wai Kwong Ching

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Causeway Bay, HK

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Patents Grantslast 30 patents

Information Patent Grant
Tire repairing system
- Patent number 11,135,792
- Issue date Oct 5, 2021
- Active Tools International (HK) Ltd.
- Kong Fung Lam
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Tire repairing system
- Patent number 11,090,884
- Issue date Aug 17, 2021
- Active Tools International (HK) Ltd.
- Kong Fung Lam
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Tire repairing system
- Patent number 11,059,246
- Issue date Jul 13, 2021
- Active Tools International (HK) Ltd.
- Kong Fung Lam
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Tire Maintenance Method and Tire Maintenance Kit
- Publication number 20240166168
- Publication date May 23, 2024
- Active Tools International (HK) Ltd
- Wesley Jui Hung Hong
- B60 - VEHICLES IN GENERAL
Information Patent Application
Tire Repairing System
- Publication number 20200307129
- Publication date Oct 1, 2020
- Active Tools International (HK) Ltd
- Kong Fung Lam
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Foldable Handheld Pump
- Publication number 20200149529
- Publication date May 14, 2020
- Active Tools International (HK) Ltd
- Koon Fung Lam
- B60 - VEHICLES IN GENERAL