LIFA AIR ENVIRONMENTAL TECHNOLOGY LIMITED

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HONG KONG, HK

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus to purify fresh air using biodegradable filter
- Patent number 10,258,918
- Issue date Apr 16, 2019
- Lifa Air Environmental Technology Limited
- Vesa Tapani Maekipaeae
- F24 - HEATING RANGES VENTILATING

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Patents Applicationslast 30 patents

Information Patent Application
APPARATUS TO PURIFY FRESH AIR USING BIODEGRADABLE FILTER
- Publication number 20170072354
- Publication date Mar 16, 2017
- Lifa Air Environmental Technology Limited
- Vesa Tapani MAEKIPAEAE
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...