Sai Kei Wong

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Double containment fittings for connecting double containment tubing
- Patent number 11,982,389
- Issue date May 14, 2024
- K.D.W. Company Limited
- Kwok Din Wong
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Vacuum cleaner with level control
- Patent number 7,293,324
- Issue date Nov 13, 2007
- Techtronic Industries Co., Ltd.
- Kam Lun Chui
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
DOUBLE CONTAINMENT FITTINGS FOR CONNECTING DOUBLE CONTAINMENT TUBING
- Publication number 20240093820
- Publication date Mar 21, 2024
- K.D.W. Company Limited
- Kwok Din WONG
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
UVC LIGHT FOR WASH AND/OR RINSE CYCLES OF DISHWASHERS
- Publication number 20240065516
- Publication date Feb 29, 2024
- K.D.W. Company Limited
- Kwok Din WONG
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
DISH WASHING MACHINE WITH HEAT EXCHANGERS
- Publication number 20230292981
- Publication date Sep 21, 2023
- KDW Company Limited
- Kwok Din WONG
- F28 - HEAT EXCHANGE IN GENERAL