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West Warwick, RI, United States of America

Guill Tool and Engineering Co., Inc.

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USPTO Granted Patents = 52

Trademarks = 1

Forward Citations = 119

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11 inventors (with patents filed for the assignee):

Richard Roy Guillemette (40 out of 41 patents)

Robert Peters (36 out of 36 patents)

Christopher J Hummel (26 out of 26 patents)

4. James M Prue (5 out of 6 patents)

5. Glen Albert Guillemette (4 out of 4 patents)

6. Arthur Roger Guillemette (4 out of 5 patents)

7. Michael Ernest Langlais (3 out of 4 patents)

8. Jacob Macure (2 out of 2 patents)

9. Denis Thomas Finn, Jr (2 out of 2 patents)

10. Roger Guillemette (1 out of 1 patent)

11. A Roger Guillemette (1 out of 10 patents)

Core Competencies:

Microlayer Coextrusion

Polymer Composites

3D Printing Inputs

Time-Release Drug Delivery

High Strength Products

Extrusion Die

Deflector Mechanism

Tubular Products

Multicomponent Approach

Membrane Barrier Properties

Concentricity Adjustment

Extrusion Wrapping

52 patents: Sort by Forward Citations

1. 12491695 - Microlayer coextrusion of electrical end products (2025-12-09),

2. 12403641 - Method and apparatus for forming high strength products (2025-09-02),

3. 11992999 - Coextruded, multilayer and multicomponent 3D printing inputs (2024-05-28),

4. 11850212 - Microlayer coextrusion to create a time-release drug substance delivery product (2023-12-26),

5. 11833726 - Micro-layer tubular extrusion products (2023-12-05),

6. 11718061 - Microlayer coextrusion of electrical end products (2023-08-08),

7. 11718009 - Concentricity adjustment sleeve (2023-08-08),

8. 11513283 - Microlayer coextrusion of optical end products (2022-11-29),

9. 11420376 - Extrudable oriented polymer composites (2022-08-23),

10. 11420374 - Concentricity adjustment sleeve (2022-08-23),

11. 11267182 - Extrudable polymer composites with membrane barrier properties (2022-03-08),

12. 11034125 - Microlayer coextrusion of electrical end products (2021-06-15),

13. 10967553 - Pin cam deflector nut (2021-04-06),

14. 10946609 - Extrusion wrapping deflector (2021-03-16),

15. 10870230 - Method and apparatus for forming high strength products (2020-12-22),

Company Overview

Guill Tool and Engineering Co., Inc., based in West Warwick, RI, specializes in advanced microlayer coextrusion technologies. The company focuses on developing innovative solutions for polymer composites, offering expertise in extrusion die design and deflector mechanisms. Their products cater to diverse applications, including 3D printing inputs and time-release drug delivery systems. With a commitment to high-strength products and tubular solutions, Guill Tool continues to push the boundaries of extrusion technology in various industries.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

52 Patents

#2 in West Warwick, RI

#30 in Rhode Island

#6,773 in US

#13,581 in the World

West Warwick, RI, United States of America

Guill Tool and Engineering Co., Inc.

Forward Citations = 119

11 inventors:

Richard Roy Guillemette (40 out of 41 patents)

Robert Peters (36 out of 36 patents)

Christopher J Hummel (26 out of 26 patents)

4. James M Prue (5 out of 6 patents)

5. Glen Albert Guillemette (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Guill Tool and Engineering Co., Inc.. Retrieved from https://idiyas.com/company/guill-tool-and-engineering-company

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]

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