Chi Wai WONG

Person

Ma On Shan, HK

People

Patents Grantslast 30 patents

Information Patent Grant
Power transformers and methods of manufacturing transformers and wi...
- Patent number 11,075,032
- Issue date Jul 27, 2021
- Astec International Limited
- Wo Oi Cheng
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Transformers having screen layers to reduce common mode noise
- Patent number 10,978,241
- Issue date Apr 13, 2021
- Astec International Limited
- Rex William James Whittle
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
POWER TRANSFORMER AND WINDINGS
- Publication number 20240153701
- Publication date May 9, 2024
- Astec International Limited
- Wo Oi Cheng
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER TRANSFORMERS AND METHODS OF MANUFACTURING TRANSFORMERS AND WI...
- Publication number 20210383970
- Publication date Dec 9, 2021
- Astec International Limited
- Wo Oi Cheng
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Transformer Assemblies Including Electrically Conductive Shields An...
- Publication number 20200388433
- Publication date Dec 10, 2020
- Astec International Limited
- Chi Wai Kevin WONG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER TRANSFORMERS AND METHODS OF MANUFACTURING TRANSFORMERS AND WI...
- Publication number 20180374637
- Publication date Dec 27, 2018
- Astec International Limited
- Wo Oi CHENG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRANSFORMERS HAVING SCREEN LAYERS TO REDUCE COMMON MODE NOISE
- Publication number 20180166205
- Publication date Jun 14, 2018
- Astec International Limited
- Rex William James WHITTLE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER TRANSFORMERS AND METHODS OF MANUFACTURING TRANSFORMERS AND WI...
- Publication number 20160225514
- Publication date Aug 4, 2016
- Astec International Limited
- Wo Oi CHENG
- H01 - BASIC ELECTRIC ELEMENTS

Chi Wai WONG

Person

Patents Grantslast 30 patents

Power transformers and methods of manufacturing transformers and wi...

Transformers having screen layers to reduce common mode noise

Patents Applicationslast 30 patents

POWER TRANSFORMER AND WINDINGS

POWER TRANSFORMERS AND METHODS OF MANUFACTURING TRANSFORMERS AND WI...

Transformer Assemblies Including Electrically Conductive Shields An...

POWER TRANSFORMERS AND METHODS OF MANUFACTURING TRANSFORMERS AND WI...

TRANSFORMERS HAVING SCREEN LAYERS TO REDUCE COMMON MODE NOISE

POWER TRANSFORMERS AND METHODS OF MANUFACTURING TRANSFORMERS AND WI...