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Forward Citations = 589

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12 inventors (with patents filed for the assignee):

Keith Bridger (6 out of 13 patents)

Arthur V Cooke (6 out of 11 patents)

Joseph J Lutian (5 out of 6 patents)

4. John M Sewell (5 out of 8 patents)

5. Dennis John Kohlhafer (4 out of 4 patents)

6. Philip M Kuhn (3 out of 7 patents)

7. Edward J Passaro (3 out of 3 patents)

8. Richard E Strite (2 out of 2 patents)

9. Terence V Waskey (2 out of 2 patents)

10. Gregg R Rubin (2 out of 2 patents)

11. Walter Arthur Schulze (1 out of 1 patent)

12. Frank J Crowne (1 out of 6 patents)

8 patents: Sort by Forward Citations

1. 9947448 - Electromagnetic opposing field actuators (2018-04-17),

2. 9390875 - Electromagnetic opposing field actuators (2016-07-12),

3. 9078571 - High sensitivity noise immune stethoscope (2015-07-14),

4. 8265291 - High sensitivity noise immune stethoscope (2012-09-11),

5. 7697263 - High-temperature dielectric materials and capacitors made therefrom (2010-04-13),

6. 6887199 - Brain assessment monitor (2005-05-03),

7. 6491647 - Physiological sensing device (2002-12-10),

8. 5919144 - Apparatus and method for measurement of intracranial pressure with lower (1999-07-06),

Active Signal Technologies, Inc. is a leading provider of innovative traffic management solutions. Our products include traffic signal controllers, vehicle detection systems, and advanced traffic management software. With a focus on safety, efficiency, and sustainability, we help cities and transportation agencies optimize their traffic flow and reduce congestion. Our team of experts is dedicated to providing cutting-edge solutions to improve the way people move throughout urban environments.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

8 Patents

#2 in Linthicum, MD

#488 in Maryland

#34,863 in US

Linthicum, MD, United States of America

Active Signal Technologies, Inc.