For the Inventor, By the Inventor

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Owings Mills, MD, United States of America

Universal Security Instruments, Inc.

USPTO Granted Patents = 25

% Expired Patents = 4.0

Trademarks = 12

Forward Citations = 581

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10 inventors (with patents filed for the assignee):

Eric V Gonzales (8 out of 14 patents)

Darrell D Fish (6 out of 9 patents)

Michael L Kovens (6 out of 6 patents)

4. Kenneth I DeWitt (3 out of 4 patents)

5. James D Morrow (1 out of 52 patents)

6. Henry H Hoge (1 out of 1 patent)

7. Kenneth I De Witt (1 out of 1 patent)

8. Cynthia A Gonzales (1 out of 1 patent)

9. Jeffery Welsh (1 out of 1 patent)

10. Lai Chiu (1 out of 1 patent)

25 patents: Sort by Forward Citations

1. 8766807 - Dynamic alarm sensitivity adjustment and auto-calibrating smoke detection (2014-07-01),

2. 8395501 - Dynamic alarm sensitivity adjustment and auto-calibrating smoke detection for reduced resource microprocessors (2013-03-12),

3. 8284065 - Dynamic alarm sensitivity adjustment and auto-calibrating smoke detection (2012-10-09),

4. D653574 - Finned hazardous condition detector (2012-02-07),

5. D653566 - Plug-in hazardous condition detector (2012-02-07),

6. 7893825 - Alarm origination latching system and method (2011-02-22),

7. D627671 - DC hazardous condition detector (2010-11-23),

8. D627670 - Hazardous condition detector (2010-11-23),

9. D472175 - Carbon monoxide detector (2003-03-26),

10. D439186 - Chime housing (2001-03-21),

11. D422521 - Smoke detector (2000-04-11),

12. D376117 - Corner mount passive infrared motion detector (1996-12-03),

13. D375097 - Radio communicator (1996-10-29),

14. D367623 - Smoke detector cover (1996-03-05),

15. D367622 - Smoke detector cover (1996-03-05),

Universal Security Instruments, Inc. is a leading provider of high-quality, reliable security and safety products for residential and commercial use. With a commitment to innovation and customer satisfaction, they offer a wide range of smoke alarms, carbon monoxide detectors, and other safety devices to protect homes and businesses. With over 50 years of experience in the industry, Universal Security Instruments is trusted by customers worldwide.

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

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USPTO Data Jan 1 1976 - Sep 15 2026

25 Patents

#4 in Owings Mills, MD

#172 in Maryland

#13,321 in US

#25,618 in the World

Owings Mills, MD, United States of America

Universal Security Instruments, Inc.

Forward Citations = 581

10 inventors:

Eric V Gonzales (8 out of 14 patents)

Darrell D Fish (6 out of 9 patents)

Michael L Kovens (6 out of 6 patents)

4. Kenneth I DeWitt (3 out of 4 patents)

5. James D Morrow (1 out of 52 patents)

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