logo

For the Inventor, By the Inventor

Cleveland, OH, United States of America

Plastic Safety Systems, Inc.


USPTO Granted Patents = 30

% Expired Patents = 3.3



Trademarks = 16

Forward Citations = 220

Loading Chart...
Loading Chart...

8 inventors (with patents filed for the assignee):

goldMedal Charles M Mettler (22 out of 22 patents)

silverMedal Gregory H Brown (21 out of 21 patents)

bronzeMedal David Allen Cowan (5 out of 22 patents)

4.  David E Cowan (4 out of 4 patents)

5.  Charles D Bailey (1 out of 1 patent)

6.  John A Farley (1 out of 1 patent)

7.  Edgardo Santiago-diaz (1 out of 1 patent)

8.  Stephen A Speaker (1 out of 1 patent)


Core Competencies:
Temporary Walkway
Modular Tiles
Portable Barricade
Rumble Strips
Pedestrian Ramp
Inertial Barrier
Traffic Channelizer
Highway Safety
Reflective Tape
Barricade Assembly
Cargo Carrier
Sign Assembly

30 patents:

1. 12735846 - Temporary walkway system with modular tiles interlocking in three-dimensions (2026-09-15),
2. 12522991 - Portable collapsible barricade (2026-01-13),
3. 12270166 - Link for foldable portable roadway warning device (2025-04-08),
4. 11535994 - Vehicle-mountable cargo carrier for portable rumble strips (2022-12-27),
5. 10662042 - Portable rumble strip retrieval system (2020-05-26),
6. 10661697 - Vehicle-mountable cargo carrier for portable rumble strips (2020-05-26),
7. 9534394 - Portable modular pedestrian ramp (2017-01-03),
8. 9297127 - Barricade assembly with foldable legs (2016-03-29),
9. 8302937 - Pedestrian barricade assembly (2012-11-06),
10. 8282309 - Inertial barrier (2012-10-09),
11. D665689 - Barricade panel (2012-08-21),
12. 7736087 - Portable highway warning device (2010-06-15),
13. 7681857 - Portable sign and barricade assemblies and plastic molded uprights and light and flag mounts therefor (2010-03-23),
14. 7536973 - Plastic blow molded board-like members (2009-05-26),
15. 7523715 - Portable sign and barricade assemblies and plastic molded uprights and light and flag mounts therefor (2009-04-28),
Company Overview
Plastic Safety Systems, Inc. is a specialized manufacturer based in Cleveland, Ohio, focusing on innovative safety solutions primarily for the transportation and industrial sectors. The company develops advanced plastic products designed to enhance safety and efficiency in various applications. With a commitment to quality and innovation, Plastic Safety Systems leverages cutting-edge technology to address the evolving needs of its clients, ensuring compliance with industry standards while promoting safety and reliability in their offerings.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

30 Patents

#71 in Cleveland, OH

#496 in Ohio

#11,257 in US

#21,853 in the World

Cleveland, OH (US)
Cleveland, OH, United States of America

Plastic Safety Systems, Inc.

Forward Citations = 220

8 inventors:

goldMedal Charles M Mettler (22 out of 22 patents)

silverMedal Gregory H Brown (21 out of 21 patents)

bronzeMedal David Allen Cowan (5 out of 22 patents)

4.  David E Cowan (4 out of 4 patents)

5.  Charles D Bailey (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Plastic Safety Systems, Inc.. Retrieved from https://idiyas.com/company/plastic-safety-systems

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…