For the Inventor, By the Inventor

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Toronto, Canada

Certainteed Canada, Inc.

USPTO Granted Patents = 14

% Expired Patents = 7.1

EPO Patents = 3

Forward Citations = 42

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11 inventors (with patents filed for the assignee):

Martin Gerkes (9 out of 13 patents)

Ronald G White (6 out of 12 patents)

Luigi Bartella (4 out of 4 patents)

4. Ali R Chitsaz (3 out of 3 patents)

5. Michael J Lembo (2 out of 35 patents)

6. Heikki Kolga (2 out of 7 patents)

7. Srirathakrishna Sivapathasuntharam (2 out of 2 patents)

8. Donald Deyoe (1 out of 1 patent)

9. Timothy Briggs (1 out of 10 patents)

10. Christopher Wiesener (1 out of 2 patents)

11. Ali Rahnamaye Chitsaz (1 out of 1 patent)

12. Martin Daniel Gerkes (0 patent)

13. Ronald White (0 patent)

14 patents: Sort by Forward Citations

1. 12692699 - Framed laminated fiberglass panel and method of manufacture (2026-07-28),

2. 12006683 - Framed laminated fiberglass panel and method of manufacture (2024-06-11),

3. 11536422 - Illuminated acoustic ceiling element and illuminated acoustic ceiling system (2022-12-27),

4. 11286662 - Framed acoustic panel and method of manufacture (2022-03-29),

5. 10844598 - Translucent ceiling or wall panel (2020-11-24),

6. 10801202 - Connection clip for securing a panel to a support grid (2020-10-13),

7. 10487503 - Lighting assembly (2019-11-26),

8. 10480187 - Translucent ceiling or wall panel (2019-11-19),

9. 10030385 - Translucent ceiling or wall panel (2018-07-24),

10. 10011986 - Lighting assembly (2018-07-03),

11. 9976727 - Strip light arrangement for T bar ceiling grid systems (2018-05-22),

12. 9534382 - Lighting assembly (2017-01-03),

13. 8739487 - Suspended ceiling system for 'T' bar grid system (2014-06-03),

14. 8683768 - Ceiling panel clip (2014-04-01),

CertainTeed Canada, Inc. is a leading manufacturer specializing in building materials and sustainable solutions for the construction industry. Based in Toronto, the company focuses on producing high-quality roofing, insulation, siding, and other exterior products that enhance energy efficiency and durability. With a commitment to innovation, CertainTeed invests in advanced technologies and sustainable practices to meet the evolving needs of the Canadian market, ensuring that their offerings contribute to healthier living environments and responsible resource management.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

14 Patents

#111 in Toronto

#1,066 in Canada

#42,199 in the World

Toronto, Canada

Certainteed Canada, Inc.

Forward Citations = 42

11 inventors:

Martin Gerkes (9 out of 13 patents)

Ronald G White (6 out of 12 patents)

Luigi Bartella (4 out of 4 patents)

4. Ali R Chitsaz (3 out of 3 patents)

5. Michael J Lembo (2 out of 35 patents)

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