% Expired Patents = 20.0

CIPO Patents = 2

EPO Patents = 2

Trademarks = 5

Forward Citations = 49

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5 inventors (with patents filed for the assignee):

Gerald Scott D'Hulster (6 out of 6 patents)

Kevan Taylor (4 out of 7 patents)

James Gould (3 out of 47 patents)

4. Saran Kumar Boyilla (1 out of 2 patents)

5. Chris Ras (1 out of 2 patents)

6. Gerald D'hulster (0 patent)

10 patents: Sort by Forward Citations

1. 12674538 - Device and method for repairing pipe with a repair assembly having a lighting assembly (2026-07-07),

2. 12014458 - Method, apparatus and system for lining conduits (2024-06-18),

3. 11953139 - Method, apparatus and system for lining conduits (2024-04-09),

4. 11802647 - Method, apparatus and system for lining conduits (2023-10-31),

5. 9523457 - Apparatus and method for heat curing of pipe liners (2016-12-20),

6. 9074720 - Apparatus and method for repairing pipes (2015-07-07),

7. 9074719 - Apparatus and method for heat curing of pipe liners (2015-07-07),

8. 8869839 - Method and device for repairing piping (2014-10-28),

9. 8807172 - Method and device for repairing piping (2014-08-19),

10. 8590575 - Scrim-enforced pipe liner (2013-11-26),

Company Overview

Perma-Liner Industries, LLC specializes in trenchless technology solutions for the rehabilitation of underground infrastructure. Based in Clearwater, Florida, the company focuses on developing innovative products and systems for the repair of pipelines, including sewer and stormwater systems. Their expertise encompasses a range of applications, utilizing advanced materials and techniques to enhance the longevity and performance of aging infrastructure while minimizing disruption to the surrounding environment.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

10 Patents

#22 in Clearwater, FL

#877 in Florida

#29,866 in US

#56,047 in the World

Clearwater, FL, United States of America

Perma-Liner Industries, LLC

Forward Citations = 49

5 inventors:

Gerald Scott D'Hulster (6 out of 6 patents)

Kevan Taylor (4 out of 7 patents)

James Gould (3 out of 47 patents)

4. Saran Kumar Boyilla (1 out of 2 patents)

5. Chris Ras (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Perma-Liner Industries, LLC. Retrieved from https://idiyas.com/company/perma-liner-industries

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]

2 patents (CIPO):

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]

2 patents (EPO):

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]