Yu-De LIEN

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Taoyuan City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Air filter device
- Patent number D1015516
- Issue date Feb 20, 2024
- GREENFILTEC LTD.
- Po-Hung Lin
- D23 - Environmental heating and cooling
Information Patent Grant
Filter device and filter system
- Patent number 11,400,401
- Issue date Aug 2, 2022
- GREENFILTEC LTD.
- Yu-Ming Lee
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
GAS STREAM GUIDING DEVICE AND MANUFACTURING EQUIPMENT
- Publication number 20230211268
- Publication date Jul 6, 2023
- GREENFILTEC LTD.
- Ching-Feng WEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FILTER MESH FRAME, FILTER MESH STRUCTURE, AND USAGE THEREOF
- Publication number 20220193591
- Publication date Jun 23, 2022
- GREENFILTEC LTD.
- Po-Hung LIN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SOUND PROCESSING SYSTEM OF AMBISONIC FORMAT AND SOUND PROCESSING ME...
- Publication number 20200304933
- Publication date Sep 24, 2020
- HTC CORPORATION
- Yu-Ying LIEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FILTER DEVICE AND FILTER SYSTEM
- Publication number 20200238211
- Publication date Jul 30, 2020
- GREENFILTEC LTD.
- Yu-Ming LEE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL