Tak Chuen Richard Or

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Chai Wan, HK

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Patents Grantslast 30 patents

Information Patent Grant
Control knob for controlling operation of a machine
- Patent number 11,099,665
- Issue date Aug 24, 2021
- DEFOND ELECTECH CO., LTD
- Wai Cheong Wilson Chu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery pack system for electrically connecting a battery pack to a...
- Patent number 10,965,133
- Issue date Mar 30, 2021
- DEFOND ELECTECH CO., LTD
- Tak Chuen Or
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Control knob for controlling operation of a machine
- Patent number 10,838,525
- Issue date Nov 17, 2020
- Defond Components Limited
- Wai Cheong Wilson Chu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Control knob for controlling operation of a machine
- Patent number 10,649,556
- Issue date May 12, 2020
- Dongguan Chen Da Appliance Co. Ltd.
- Wai Cheong Wilson Chu
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
COOLING SYSTEM FOR COOLING AN ELECTRONICS COMPONENT OF AN ELECTRICA...
- Publication number 20220053665
- Publication date Feb 17, 2022
- DEFOND ELECTECH CO. LTD
- Tak Chuen Or
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
CONTROL KNOB FOR CONTROLLING OPERATION OF A MACHINE
- Publication number 20200192494
- Publication date Jun 18, 2020
- Defond Electech Co., Ltd.
- Wai Cheong Wilson CHU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CONTROL KNOB FOR CONTROLLING OPERATION OF A MACHINE
- Publication number 20200150786
- Publication date May 14, 2020
- DONGGUAN CHEN DA APPLIANCE CO. LTD
- Wai Cheong Wilson CHU
- B60 - VEHICLES IN GENERAL
Information Patent Application
METHOD AND SYSTEM FOR USE IN OPERABLY CONNECTING A BATTERY PACK TO...
- Publication number 20180175647
- Publication date Jun 21, 2018
- DONGGUAN CHEN DA APPLIANCE CO. LTD
- Tak Chuen OR
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Control Knob for Controlling Operation of a Machine
- Publication number 20180164903
- Publication date Jun 14, 2018
- DONGGUAN CHEN DA APPLIANCE CO. LTD
- Wai Cheong Wilson Chu
- G06 - COMPUTING CALCULATING COUNTING