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Islington, Canada

Tenneco Canada Inc.

USPTO Granted Patents = 24

Trademarks = 2

Forward Citations = 282

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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 subsidiary of Tenneco, a global leader in the development and manufacturing of innovative clean air and ride performance products and systems for the automotive industry. Tenneco Canada provides advanced solutions for emission control, suspension, and OE ride control products for a wide range of vehicle applications. With a commitment to sustainability and customer satisfaction, Tenneco Canada aims to deliver superior products and technologies that improve vehicle efficiency, performance, and overall driving experience.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

24 Patents

#2 in Islington

#559 in Canada

#25,835 in the World

Islington, Canada

Tenneco Canada Inc.

Forward Citations = 282

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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