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Islington, Canada

Tenneco Canada Inc.

USPTO Granted Patents = 24

Trademarks = 1

Forward Citations = 286

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16 inventors (with patents filed for the assignee):

Marek Lipsztajn (11 out of 24 patents)

Zbigniew Twardowski (6 out of 11 patents)

Maurice C Fredette (5 out of 19 patents)

4. Colin R McGregor (5 out of 5 patents)

5. Gerald Cowley (3 out of 22 patents)

6. Edward J Bechberger (3 out of 8 patents)

7. James D McGilvery (2 out of 7 patents)

8. Ching-Shi Yang (2 out of 2 patents)

9. Slawomir M Cybulski (1 out of 1 patent)

10. Helena Twardowska (1 out of 3 patents)

11. Michael S Zell (1 out of 1 patent)

12. Herbert C Scribner (1 out of 3 patents)

13. Richard Swindells (1 out of 9 patents)

14. Leszek M Dobosz (1 out of 1 patent)

15. Basil N Robbins (1 out of 1 patent)

24 patents: Sort by Forward Citations

1. 5222512 - Sparger system for discharge of bulk material from hopper cars (1993-06-29),

2. 5198080 - Electrochemical processing of aqueous solutions (1993-03-30),

3. 5174868 - Chlorine dioxide generation from chloric acid (1992-12-29),

4. 5122240 - Electrochemical processing of aqueous solutions (1992-06-16),

5. 5116595 - Metathesis of acidic by-product of chlorine dioxide generating process (1992-05-26),

6. 5110366 - Sparger system for discharge of bulk material from hopper cars (1992-05-05),

7. 5066477 - Production of chlorine dioxide (1991-11-19),

8. 5013530 - Sparger system for discharge of bulk material from hopper cars (1991-05-07),

9. 5002615 - Sparger system for discharge of bulk material from hopper cars (1991-03-26),

10. 4980142 - Preparation of phosphorous acid (1990-12-25),

11. 4931268 - Production of chlorine dioxide (1990-06-05),

12. 4915927 - Production of chloric acid (1990-04-10),

13. 4853096 - Production of chlorine dioxide in an electrolytic cell (1989-08-01),

14. 4834848 - Electrical removal of chromium from chlorate solutions (1989-05-30),

15. 4806215 - Combined process for production of chlorine dioxide and sodium hydroxide (1989-02-21),

Tenneco Canada Inc. is a prominent player in the automotive sector, specializing in the development and manufacturing of advanced emission control and ride performance products. The company focuses on innovative technologies that enhance vehicle efficiency and sustainability, catering to a diverse range of automotive applications. With a commitment to research and development, Tenneco Canada plays a vital role in shaping the future of automotive engineering, contributing to cleaner and more efficient transportation solutions across the region.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

24 Patents

#2 in Islington

#603 in Canada

#26,595 in the World

Islington, Canada

Tenneco Canada Inc.

Forward Citations = 286

16 inventors:

Marek Lipsztajn (11 out of 24 patents)

Zbigniew Twardowski (6 out of 11 patents)

Maurice C Fredette (5 out of 19 patents)

4. Colin R McGregor (5 out of 5 patents)

5. Gerald Cowley (3 out of 22 patents)

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