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For the Inventor, By the Inventor

Inglewood, CA, United States of America

Doorking, Inc.

Calculating rank
USPTO Granted Patents = 10

Trademarks = 6

Forward Citations = 136

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9 inventors (with patents filed for the assignee):

goldMedal Patrick S Kochie (8 out of 15 patents)

silverMedal Moscow K Richmond (8 out of 17 patents)

bronzeMedal Thomas R Richmond (7 out of 14 patents)

4.  Suzanne Richmond (2 out of 4 patents)

5.  Yu Jennifer Cheng (1 out of 3 patents)

6.  Eitan T Bear (1 out of 3 patents)

7.  Nadejda V Gueorguieva (1 out of 3 patents)

8.  Emmanuel G Ceballos (1 out of 1 patent)

9.  R Richmond Thomas (1 out of 1 patent)


10 patents:

1. 10002480 - Apparatus and methods for entry control over a cellular network (2018-06-19),
2. 6856237 - Method and apparatus for radio frequency security system with automatic learning (2005-02-15),
3. 5942867 - Gate operator providing impact reduction at a fixed end position of (1999-08-24),
4. 5918418 - Overhead door operator (1999-07-06),
5. 5804938 - Gate operator with extensible actuating arm (1998-09-08),
6. 5752344 - Swing gate operator (1998-05-19),
7. 5230179 - Apparatus and method for opening and closing a gate (1993-07-27),
8. 5076012 - Apparatus and method for opening and closing a gate (1991-12-31),
9. 4970826 - Apparatus and method for opening and closing a gate (1990-11-20),
10. 4916860 - Apparatus and method for opening and closing a gate (1990-04-17),
Company Overview
Doorking, Inc. is a leading provider of access control and security solutions, specializing in the development and manufacturing of gate operators, telephone entry systems, and access control products. Based in Inglewood, California, the company focuses on innovative technologies that enhance security and convenience for residential, commercial, and industrial applications. With a commitment to quality and reliability, Doorking serves a diverse range of clients, ensuring safe and efficient access management across various environments.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

10 Patents

#11 in Inglewood, CA

#7,121 in California

#29,892 in US

#56,119 in the World

Inglewood, CA (US)
Inglewood, CA, United States of America

Doorking, Inc.

Forward Citations = 136

9 inventors:

goldMedal Patrick S Kochie (8 out of 15 patents)

silverMedal Moscow K Richmond (8 out of 17 patents)

bronzeMedal Thomas R Richmond (7 out of 14 patents)

4.  Suzanne Richmond (2 out of 4 patents)

5.  Yu Jennifer Cheng (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Doorking, Inc.. Retrieved from https://idiyas.com/company/doorking

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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