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For the Inventor, By the Inventor

Guangdong, China

Defond Electech Co., Ltd


USPTO Granted Patents = 40


Trademarks = 9

Forward Citations = 19

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34 inventors (with patents filed for the assignee):

goldMedal Cheng Chen Nieh (12 out of 12 patents)

silverMedal Kin Yu Wong (10 out of 17 patents)

bronzeMedal Wai Man Wong (9 out of 10 patents)

4.  Kai Kei Poon (5 out of 5 patents)

5.  Chiu Keung Loong (4 out of 6 patents)

6.  Ming Leong Kong (3 out of 4 patents)

7.  Wai Cheong Wilson Chu (2 out of 3 patents)

8.  Tak Chuen Richard Or (2 out of 3 patents)

9.  Xiao Yu Lai (2 out of 2 patents)

10.  Hua Lin Pan (2 out of 2 patents)

11.  Lap Yi Law (2 out of 2 patents)

12.  Chi Ming Lai (2 out of 2 patents)

13.  Yun Zhang (2 out of 3 patents)

14.  Lei Zhang (2 out of 4 patents)

15.  Guo Zhu Zeng (2 out of 2 patents)


Core Competencies:
Electrical Switch
Control Assembly
Snap-Action Switch
Touch Control Interface
Variable-Speed Controller
Locking Mechanism
Brushless DC Motor
Detection Circuit Module
Control Knob
Battery Pack System
Transducer Device
Waterproof Toggle Switch

40 patents:

1. 12362109 - Electrical switch with a sealing member for use with an electrical device (2025-07-15),
2. 12205787 - Snap-action type switch (2025-01-21),
3. 12183533 - Linkage structure of key switch (2024-12-31),
4. 11975434 - Control assembly for use with an electric power tool (2024-05-07),
5. 11919137 - Control assembly for use in operation of an electric device (2024-03-05),
6. 11913812 - Control assembly for use in operation of an electric device (2024-02-27),
7. 11907449 - Control knob with motion sensing for controlling operation of a machine (2024-02-20),
8. 11823856 - Contact lever assembly for use with an electrical switch (2023-11-21),
9. 11694862 - Lock-off mechanism for locking-off a trigger assembly of an electric device (2023-07-04),
10. 11664710 - Variable-speed control assembly for an electric device (2023-05-30),
11. 11651915 - Electrical switch device (2023-05-16),
12. 11623335 - Control assembly for use in operation of an electric device (2023-04-11),
13. 11489523 - Touch control human machine interface (2022-11-01),
14. D965536 - Touch LED component (2022-10-04),
15. 11464112 - Touch LED component and touch device (2022-10-04),
Defond Electech Co., Ltd is a leading global manufacturer specializing in the development and production of electromechanical components and systems. With over 40 years of experience, Defond offers innovative solutions to various industries, including automotive, home appliances, industrial equipment, and consumer electronics. Their range of products includes switches, sensors, actuators, motors, and assemblies. Committed to quality and customer satisfaction, Defond aims to provide reliable and cost-effective solutions to meet the evolving needs of their clients worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

40 Patents

#32 in Guangdong

#715 in China

#16,571 in the World

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Guangdong, China

Defond Electech Co., Ltd

Forward Citations = 19

34 inventors:

goldMedal Cheng Chen Nieh (12 out of 12 patents)

silverMedal Kin Yu Wong (10 out of 17 patents)

bronzeMedal Wai Man Wong (9 out of 10 patents)

4.  Kai Kei Poon (5 out of 5 patents)

5.  Chiu Keung Loong (4 out of 6 patents)

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