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For the Inventor, By the Inventor

Hong Kong, China

Electrical and Electronics Limited


USPTO Granted Patents = 17

% Expired Patents = 64.7


Forward Citations = 220

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18 inventors (with patents filed for the assignee):

goldMedal Andrew Yuen Chin Chen (7 out of 14 patents)

silverMedal Sum Fat Poon (5 out of 5 patents)

bronzeMedal Amy Decem Cheng (3 out of 7 patents)

4.  Raymond Wai Ming Wong (3 out of 6 patents)

5.  Yee Mau Chen (3 out of 3 patents)

6.  Dick Tak Fung Leung (2 out of 3 patents)

7.  Kwan Fai Lui (2 out of 3 patents)

8.  Paul Cheuk Wai Lai (2 out of 2 patents)

9.  Marcel Hendrikus Simon Weijers (2 out of 2 patents)

10.  Kin Fai Yuen (1 out of 1 patent)

11.  Wai Ming Wong (1 out of 1 patent)

12.  Yuen Kin Fai (1 out of 1 patent)

13.  Tin Yiu So (1 out of 1 patent)

14.  Wai Ming Raymond Wong (1 out of 1 patent)

15.  Kong Leong Tay (1 out of 1 patent)


17 patents:

1. 8978546 - Device for preserving and dispensing wine (2015-03-17),
2. D686863 - Beverage system with aeration (2013-07-30),
3. 8230776 - Brewing apparatus for preparing foam, froth or crema under low pressure (2012-07-31),
4. 7946218 - Apparatus for preparing a beverage (2011-05-24),
5. 7861645 - Apparatus for preventing unintended or premature release of liquid in a beverage brewing device and method thereof (2011-01-04),
6. 7784396 - Hydraulic sealing assembly for a beverage machine brewing head (2010-08-31),
7. 7694624 - Cabinet design of filter holder for pressurized espresso machines (2010-04-13),
8. 7631594 - Gear-driven locking assembly for brew head assembly (2009-12-15),
9. 7617763 - Motorized and remote-controlled cabinet design of filter holder for pressurized espresso machines (2009-11-17),
10. 7237475 - Cabinet design of filter holder for pressurized espresso machines (2007-07-03),
11. 7228790 - Spoon brewing apparatus (2007-06-12),
12. 7122765 - Electric oven (2006-10-17),
13. 7089849 - Single/multiple beverage machine (2006-08-15),
14. 7021197 - Hot beverage machine (2006-04-04),
15. 6935222 - Locking device sustaining high pressure for coffee maker lid (2005-08-30),
Company Overview
Electrical and Electronics Limited is a Hong Kong-based company specializing in the development and manufacturing of advanced electrical and electronic products. The organization focuses on innovative solutions across various sectors, including consumer electronics, industrial automation, and telecommunications. With a commitment to research and development, it aims to enhance technology integration and efficiency in its offerings, catering to both local and international markets.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Electrical and Electronics Limited USPTO Patent Assignee Logo
17 Patents

#201 in Hong Kong

#1,709 in China

#35,948 in the World

Hong Kong, CN
Hong Kong, China

Electrical and Electronics Limited

Forward Citations = 220

18 inventors:

goldMedal Andrew Yuen Chin Chen (7 out of 14 patents)

silverMedal Sum Fat Poon (5 out of 5 patents)

bronzeMedal Amy Decem Cheng (3 out of 7 patents)

4.  Raymond Wai Ming Wong (3 out of 6 patents)

5.  Yee Mau Chen (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Electrical and Electronics Limited. Retrieved from https://idiyas.com/company/electrical-and-electronics

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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