Kam Wa Cheng

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Stafford, GB

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Patents Grantslast 30 patents

Information Patent Grant
Insulated drive vacuum interrupter
- Patent number 12,183,523
- Issue date Dec 31, 2024
- S&C Electric Company
- Nicholas Seng
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum interrupter with double live shield
- Patent number 11,756,756
- Issue date Sep 12, 2023
- S&C Electric Company
- Leslie T. Falkingham
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
VACUUM INTERRUPTER WITH VACUUM DEVICE SHIELD
- Publication number 20240331959
- Publication date Oct 3, 2024
- S&C ELECTRIC COMPANY
- Kam Wa Cheng
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INSULATED DRIVE VACUUM INTERRUPTER
- Publication number 20230116363
- Publication date Apr 13, 2023
- S&C ELECTRIC COMPANY
- Nicholas Seng
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VACUUM INTERRUPTER WITH DOUBLE LIVE SHIELD
- Publication number 20220270837
- Publication date Aug 25, 2022
- S&C ELECTRIC COMPANY
- Leslie T. Falkingham
- H01 - BASIC ELECTRIC ELEMENTS