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For the Inventor, By the Inventor

Hong Kong, China

John Manufacturing Limited


USPTO Granted Patents = 359

Trademarks = 2

Forward Citations = 5,037

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18 inventors (with patents filed for the assignee):

goldMedal John S Yuen (205 out of 211 patents)

silverMedal Se Kit Yuen (107 out of 218 patents)

bronzeMedal John Se Kit Yuen (17 out of 17 patents)

4.  John Se-Kit Yuen (16 out of 16 patents)

5.  Se-Kit Yuen (4 out of 4 patents)

6.  Timothy J Stachoviak (2 out of 5 patents)

7.  Yuen Se Kit (2 out of 2 patents)

8.  Yuen Se-Kit (2 out of 4 patents)

9.  Lonnie G Johnson (1 out of 132 patents)

10.  Joseph P Nestler (1 out of 4 patents)

11.  Daniel A Schneider (1 out of 6 patents)

12.  Shirley A Craanen (1 out of 4 patents)

13.  Amy K Lawrence (1 out of 1 patent)

14.  John M Baxley (1 out of 1 patent)

15.  John Yuen Se Kit (1 out of 1 patent)


Core Competencies:
LED Worklight
Photo-Electronic Air Purifier
Rechargeable Lantern
Solid State Refrigerator
Halogen Searchlight
Multi-Functional TV Lantern
Fresh Air Ionizer
Portable Cooler Box
Emergency Rechargeable Light
Cordless Kettle
Vacuum Cleaner

359 patents:

1. D706478 - Directional LED worklight (2014-06-03),
2. D702865 - Directional LED worklight (2014-04-15),
3. D674531 - LED table lamp (2013-01-15),
4. D655831 - LED light bulb (2012-03-13),
5. D646817 - LED spotlight (2011-10-11),
6. 7458481 - Drink-item holding apparatus and a portable cooler box incorporating the same (2008-12-02),
7. 7364605 - Photo-electronic air purifying disinfector (2008-04-29),
8. 7273515 - Photo-electronic air purifying and conditioning system (2007-09-25),
9. 7270696 - Photo-electronic air purifying and disinfecting system (2007-09-18),
10. 7267454 - Universal chargeable electro-optical illuminating lamp (2007-09-11),
11. 7264657 - Photo-electronic air conditioning, dehumidifying, purifying and disinfecting system (2007-09-04),
12. D533289 - Halogen searchlight with power station (2006-12-05),
13. D507360 - Flower shape soft glow night light (2005-07-12),
14. D505759 - Vacuum cleaner with integral air compressor, spotlight and flashing light (2005-05-31),
15. D502471 - Mini size solid state refrigerator (2005-03-01),
John Manufacturing Limited is a leading manufacturer of high-quality industrial equipment. With a history of innovation and excellence, our products are used by businesses worldwide in a variety of industries. We are dedicated to providing our customers with exceptional products and outstanding service to meet their needs.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

359 Patents

#14 in Hong Kong

#100 in China

#2,475 in the World

...
Hong Kong, China

John Manufacturing Limited

Forward Citations = 5,037

18 inventors:

goldMedal John S Yuen (205 out of 211 patents)

silverMedal Se Kit Yuen (107 out of 218 patents)

bronzeMedal John Se Kit Yuen (17 out of 17 patents)

4.  John Se-Kit Yuen (16 out of 16 patents)

5.  Se-Kit Yuen (4 out of 4 patents)

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