For the Inventor, By the Inventor

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Vacaville, CA, United States of America

Barrier Systems, Inc.

USPTO Granted Patents = 21

CIPO Patents = 11

EPO Patents = 1

Trademarks = 12

Forward Citations = 464

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16 inventors (with patents filed for the assignee):

John W Duckett (10 out of 13 patents)

Gerrit Andrew Dyke (5 out of 20 patents)

Alvaro E Morales Flores (4 out of 12 patents)

4. Steven L Peek (3 out of 4 patents)

5. Jack Sumner Mazer (2 out of 2 patents)

6. Joseph W Hartley, Iii (2 out of 2 patents)

7. Owen S Denman (2 out of 12 patents)

8. Marco Anghileri (1 out of 8 patents)

9. Franz M Muller (1 out of 6 patents)

10. James E Seiferling (1 out of 4 patents)

11. Jack S Mazer (0 patent)

21 patents: Sort by Forward Citations

1. 8235359 - Vehicle crash attenuator apparatus (2012-08-07),

2. 8047240 - Sandbag for mechanical filling using earth loader equipment (2011-11-01),

3. 7942171 - Device and method for filling multiple sandbags at a time (2011-05-17),

4. 7566187 - Towable elongated traffic barrier (2009-07-28),

5. 7393154 - Towable elongated traffic barrier (2008-07-01),

6. 7354218 - Portable traffic barrier system (2008-04-08),

7. 6632044 - Method for interconnecting a plurality of roadway barrier modules and controlling movement thereof (2003-10-14),

8. 6536986 - Energy absorption apparatus with collapsible modules (2003-03-25),

9. 6485224 - Traffic barrier apparatus with gate (2002-11-26),

10. 6474904 - Traffic barrier with liquid filled modules (2002-11-05),

11. 6439802 - Interconnected telescoping movable roadway barrier modules (2002-08-27),

12. 6428237 - Non-redirective gating crash cushion apparatus for movable, permanent and portable roadway barriers (2002-08-06),

13. 6413009 - Vehicular traffic barrier system (2002-07-02),

14. 6289269 - Vehicle guidance system (2001-09-11),

15. 5885046 - Four-wheel, double bogey for a lane barrier positioning vehicle (1999-03-23),

Barrier Systems, Inc. is a leading provider of innovative highway safety products and solutions. With over 30 years of industry experience, our company specializes in designing and manufacturing high-quality traffic barricades, work zone safety equipment, and crash cushions. We are committed to improving road safety and reducing the risk of accidents through our reliable and durable barrier systems. To learn more about our products and services, please visit our website.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

21 Patents

#7 in Vacaville, CA

#3,617 in California

#15,162 in US

#29,053 in the World

Vacaville, CA, United States of America

Barrier Systems, Inc.

Forward Citations = 464

16 inventors:

John W Duckett (10 out of 13 patents)

Gerrit Andrew Dyke (5 out of 20 patents)

Alvaro E Morales Flores (4 out of 12 patents)

4. Steven L Peek (3 out of 4 patents)

5. Jack Sumner Mazer (2 out of 2 patents)

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