Defense Research Technologies, Inc.

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USPTO Granted Patents = 5

Forward Citations = 99

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9 inventors (with patents filed for the assignee):

Tadeusz M Drzewiecki (4 out of 35 patents)

R Michael Phillippi (2 out of 9 patents)

Allen B Holmes (2 out of 10 patents)

4. Christopher R Fuller (1 out of 10 patents)

5. Ricardo A Burdisso (1 out of 8 patents)

6. Russell H Thomas (1 out of 3 patents)

7. Frank B Vanaman (1 out of 1 patent)

8. John B Niemczuk (1 out of 1 patent)

9. Stephen A Freimanis (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 5662136 - Acousto-fluidic driver for active control of turbofan engine noise (1997-09-02),

2. 5596134 - Continuous oxygen content monitor (1997-01-21),

3. 5540248 - Fluidic sound amplification system (1996-07-30),

4. 5455804 - Vortex chamber mud pulser (1995-10-03),

5. 4862837 - Fuel injection of coal slurry using vortex nozzles and valves (1989-09-05),

Company Overview

Defense Research Technologies, Inc. (DRT) is a leading technology company specializing in innovative defense solutions. With a focus on research and development, DRT provides cutting-edge technologies and services to meet the needs of military and security organizations worldwide. Their expertise includes advanced surveillance systems, cybersecurity solutions, and intelligence technologies.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

5 Patents

#106 in Rockville, MD

#752 in Maryland

#51,669 in US

Rockville, MD, United States of America