Jianghua Yan

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Causeway Bay, HK

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Patents Grantslast 30 patents

Information Patent Grant
Rubber bucket and tire repairing and inflation device
- Patent number 12,005,869
- Issue date Jun 11, 2024
- Active Tools International (HK) Ltd.
- Jui Hung Wesley Hong
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Connection member, connection assembly and tire repair machine
- Patent number 11,662,046
- Issue date May 30, 2023
- Active Tools International (HK) Ltd.
- Koon Fung Lam
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
RUBBER BUCKET AND TIRE REPAIRING AND INFLATION DEVICE
- Publication number 20230166696
- Publication date Jun 1, 2023
- Active Tools International (HK) Ltd
- Jui Hung Wesley Hong
- B60 - VEHICLES IN GENERAL
Information Patent Application
Connection Member, Connection Assembly And Tire Repair Machine
- Publication number 20200355309
- Publication date Nov 12, 2020
- Active Tools International (HK) Ltd
- Koon Fung Lam
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL