Inventor · disambiguated record
Cheng Chen Nieh
Also filed as: NIEH CHENG CHEN
11 granted patents·11 pending applications·6 citations·filing 2017–2024
80Inventor score
Top patents by PatentIndex Score
22 records- 0185US11907449B2Control knob with motion sensing for controlling operation of a machineDEFOND ELECTECH CO LTD·Filed 2020·Granted Feb 20, 2024·3 cites·10 claims
- 0281US2025047223A1Brushless dc motor control unitDEFOND ELECTECH CO LTD·Filed 2024·Application pending·0 cites
- 0368US10965133B2Battery pack system for electrically connecting a battery pack to a machineDONGGUAN CHEN DA APPLIANCE CO LTD·Filed 2017·Granted Mar 30, 2021·2 cites·5 claims
- 0467US12362109B2Electrical switch with a sealing member for use with an electrical deviceDEFOND ELECTECH CO LTD·Filed 2021·Granted Jul 15, 2025·0 cites·6 claims
- 0561US2021036637A1Brushless dc motor control unitDEFOND ELECTECH CO LTD·Filed 2020·Application pending·0 cites
- 0660US10852854B2Control system and device for use in controlling operation of an electrical applianceDEFOND ELECTECH CO LTD·Filed 2019·Granted Dec 1, 2020·1 cites·15 claims
- 0758US2019157019A1Electrical switch with a sealing member for use with an electrical deviceDEFOND ELECTECH CO LTD·Filed 2018·Application pending·0 cites
- 0857US2024372443A1Motor encoder with programmable and tactile feedback and operation method thereofDEFOND ELECTECH CO LTD·Filed 2024·Application pending·0 cites
- 0953US2025285819A1Electrical switch unit for electrical deviceDEFOND ELECTECH CO LTD·Filed 2024·Application pending·0 cites
- 1052US10848084B2Brushless DC motor control unitDEFOND ELECTECH CO LTD·Filed 2018·Granted Nov 24, 2020·0 cites·15 claims
- 1152US2024191892A1Air purifierDEFOND ELECTECH CO LTD·Filed 2023·Application pending·0 cites
- 1250US12183533B2Linkage structure of key switchDEFOND ELECTECH CO LTD·Filed 2023·Granted Dec 31, 2024·0 cites·10 claims
- 1350US2025364934A1Non-contact control assembly for controlling operation of electrical deviceDEFOND ELECTECH CO LTD·Filed 2024·Application pending·0 cites
- 1442US2021383680A1System and method for controlling operation of an electric deviceDEFOND ELECTECH CO LTD·Filed 2021·Application pending·0 cites
- 1541US2022053665A1Cooling system for cooling an electronics component of an electrical deviceDEFOND ELECTECH CO LTD·Filed 2021·Application pending·0 cites
- 1641US2020328606A1Wireless Charging Device with Detachable BaseDEFOND ELECTECH CO LTD·Filed 2020·Application pending·0 cites
- 1735US11431172B2Control system for use in controlling operation of an electrical applianceDEFOND ELECTECH CO LTD·Filed 2019·Granted Aug 30, 2022·0 cites·13 claims
- 1835US10978257B2Lock-off assembly for use in locking-off a trigger of an electrical deviceDEFOND ELECTECH CO LTD·Filed 2020·Granted Apr 13, 2021·0 cites·4 claims
- 1931US11489523B2Touch control human machine interfaceDEFOND ELECTECH CO LTD·Filed 2019·Granted Nov 1, 2022·0 cites·6 claims
- 2030US11112817B2Control stickDEFOND ELECTECH CO LTD·Filed 2020·Granted Sep 7, 2021·0 cites·8 claims
- 2130US10591949B2Transducer deviceDEFOND COMPONENTS LTD·Filed 2018·Granted Mar 17, 2020·0 cites·11 claims
- 2229US2019084144A1Control assembly for an electric deviceDEFOND COMPONENTS LTD·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →