Ying Chi David HONG

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Tire maintenance means
- Patent number 11,400,667
- Issue date Aug 2, 2022
- Active Tools International (HK) Ltd.
- Ying Chi David Hong
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Safety valve
- Patent number 10,975,976
- Issue date Apr 13, 2021
- Active Tools International (HK) Ltd.
- Ying Chi David Hong
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
Tire Maintenance Means
- Publication number 20200009809
- Publication date Jan 9, 2020
- Active Tools International (HK) Ltd
- Ying Chi David Hong
- B60 - VEHICLES IN GENERAL
Information Patent Application
COMPRESSOR
- Publication number 20190128245
- Publication date May 2, 2019
- ACTIVE TOOLS INTERNATIONAL (HK) LTD.
- Ying Chi David HONG
- B60 - VEHICLES IN GENERAL