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last 30 patents
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Patent Grant
Variable-speed controller for use with an electric device
Patent number
10,547,257
Issue date
Jan 28, 2020
Defond Electech Co., Ltd.
Ming Leong Kong
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
ELECTRICAL SWITCH WITH A SEALING MEMBER FOR USE WITH AN ELECTRICAL...
Publication number
20210183589
Publication date
Jun 17, 2021
Defond Electech Co., Ltd.
Wai Man WONG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BRUSHLESS DC MOTOR CONTROL UNIT
Publication number
20210036637
Publication date
Feb 4, 2021
Defond Electech Co., Ltd
Cheng Chen NIEH
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
ELECTRICAL SWITCH WITH A SEALING MEMBER FOR USE WITH AN ELECTRICAL...
Publication number
20190157019
Publication date
May 23, 2019
Defond Electech Co., Ltd.
Wai Man WONG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
VARIABLE-SPEED CONTROLLER FOR USE WITH AN ELECTRIC DEVICE
Publication number
20180323735
Publication date
Nov 8, 2018
Defond Components Limited
Ming Leong Kong
H01 - BASIC ELECTRIC ELEMENTS