ZHI CHAI

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Shenyang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Gas showerhead with controllable airflow distribution
- Patent number 12,351,916
- Issue date Jul 8, 2025
- PIOTECH INC.
- Zhenjie Liu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Ceramic ring with a ladder structure
- Patent number 10,643,882
- Issue date May 5, 2020
- PIOTECH CO., LTD.
- Xuyen Pham
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
GAS SHOWERHEAD WITH CONTROLLABLE AIRFLOW DISTRIBUTION
- Publication number 20220205101
- Publication date Jun 30, 2022
- PIOTECH INC.
- Zhenjie Liu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
CERAMIC RING WITH A LADDER STRUCTURE
- Publication number 20180053682
- Publication date Feb 22, 2018
- PIOTECH CO., LTD.
- XUYEN PHAM
- H01 - BASIC ELECTRIC ELEMENTS