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Aberdeen, Hong Kong, China

Choon Nang Electrical Appliance Mfy., Ltd.

USPTO Granted Patents = 53

Forward Citations = 914

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6 inventors (with patents filed for the assignee):

Ping Hay Heun (37 out of 43 patents)

Tat Nin Lui (11 out of 23 patents)

Vincent Yiu Tak Chu (5 out of 5 patents)

4. Hong Xu (2 out of 10 patents)

5. Kwok Kwong Ho (2 out of 2 patents)

6. Heung Ching Ng (1 out of 1 patent)

Core Competencies:

Rotary Driving Tool

Electric Sander

Power Tool

Rechargeable Battery Pack

Electric Cutter

Electric Drill

Grinder Attachment

Lighting Device

Circular Saw

Electric Trimmer

Drill Bit

Battery Charger

53 patents: Sort by Forward Citations

1. D570172 - Rotary driving tool/trimmer (2008-06-03),

2. D568132 - Sharpener for drill bits (2008-05-06),

3. 7293944 - Power tool with tool bit holder operator (2007-11-13),

4. D542108 - Electric cutter (2007-05-08),

5. D539107 - Electric sander (2007-03-27),

6. D534778 - Electric saw (2007-01-09),

7. 7157180 - Rechargeable battery pack (2007-01-02),

8. D528886 - Electric sander (2006-09-26),

9. 7109613 - Power hand tool (2006-09-19),

10. 7107690 - Electric cutting tool (2006-09-19),

11. 7101267 - Tool holder for power tool (2006-09-05),

12. D526869 - Electric sander (2006-08-22),

13. D526177 - Electric saw (2006-08-08),

14. D526079 - Lighting device for use with power tool (2006-08-01),

15. D522338 - Router attachment (2006-06-06),

Choon Nang Electrical Appliance Mfy., Ltd. is a leading manufacturer of electrical appliances based in Hong Kong. With over 20 years of experience in the industry, we specialize in producing high-quality household appliances such as fans, heaters, and kitchen appliances. Our products are known for their durability, efficiency, and innovative designs. We are dedicated to providing our customers with reliable and cutting-edge electrical appliances for everyday use.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

53 Patents

#64 in Aberdeen, Hong Kong

#547 in China

#12,924 in the World

Aberdeen, Hong Kong, China

Choon Nang Electrical Appliance Mfy., Ltd.

Forward Citations = 914

6 inventors:

Ping Hay Heun (37 out of 43 patents)

Tat Nin Lui (11 out of 23 patents)

Vincent Yiu Tak Chu (5 out of 5 patents)

4. Hong Xu (2 out of 10 patents)

5. Kwok Kwong Ho (2 out of 2 patents)

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