Enter assignee name

Trademarks = 17

Forward Citations = 97

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4 inventors (with patents filed for the assignee):

David A Geringer (10 out of 35 patents)

Arthur V Geringer (9 out of 34 patents)

Richard G Geringer (5 out of 28 patents)

4. Chen Chung Yu (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 12227969 - Door latch locking mechanism (2025-02-18),

2. 10815692 - Electric strike (2020-10-27),

3. 10697202 - Electronic cathode lock (2020-06-30),

4. 10107015 - Electric latch retraction push-bar device (2018-10-23),

5. 9797165 - Electric latch retraction bar (2017-10-24),

6. 7963574 - Fail safe/fail secure lock with quick change access window (2011-06-21),

7. 7698918 - Interchangeable lock operable in fail safe or fail secure modes (2010-04-20),

8. 7614669 - Interchangeable lock operable in fail safe or fail secure modes (2009-11-10),

9. 7540542 - Electric strike (2009-06-02),

10. 7246827 - Fail safe/fail secure lock with quick change access window (2007-07-24),

11. 6681607 - Lock with sensor (2004-01-27),

Security Door Controls, Inc. (SDC) is a leading manufacturer of access control solutions for the security industry. With an extensive product line including electronic locking devices, exit devices, power supplies, and access control software, SDC has been providing reliable and innovative security solutions for over 40 years. Their products are known for their durability, versatility, and ease of installation, making them a trusted choice for commercial, industrial, and institutional applications.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

11 Patents

#19 in Westlake Village, CA

#6,344 in California

#26,752 in US

#50,256 in the World

Westlake Village, CA, United States of America

Security Door Controls, Inc.

Forward Citations = 97

4 inventors:

David A Geringer (10 out of 35 patents)

Arthur V Geringer (9 out of 34 patents)

Richard G Geringer (5 out of 28 patents)

4. Chen Chung Yu (1 out of 1 patent)

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