Tenneco Canada Inc. (Erco Division)

Calculating rank

USPTO Granted Patents = 5

Trademarks = 2

Forward Citations = 71

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9 inventors (with patents filed for the assignee):

Zbigniew Twardowski (2 out of 11 patents)

Marek Lipsztajn (1 out of 24 patents)

James D McGilvery (1 out of 7 patents)

4. Iain D Sommerville (1 out of 3 patents)

5. Douglas W Reeve (1 out of 12 patents)

6. Alexander McLean (1 out of 1 patent)

7. Paul S Timmons (1 out of 1 patent)

8. Michael S Krugel (1 out of 1 patent)

9. Raymond C Francis (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 4738719 - Steel making flux (1988-04-19),

2. 4729817 - Process for the oxidative delignification of demethylated chemical pulp (1988-03-08),

3. 4699701 - Electrochemical removal of chromium from chlorate solutions (1987-10-13),

4. 4692228 - Removal of arsenic from acids (1987-09-08),

5. 4683039 - Membrane pervaporation process (1987-07-28),

Company Overview

Tenneco Canada Inc. is part of the Erco division of Tenneco, a global manufacturing company that focuses on designing and producing emissions control and ride performance products for the automotive industry. With a commitment to sustainability and innovation, Tenneco Canada Inc. delivers high-quality solutions to improve vehicle performance and reduce environmental impact.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

5 Patents

#4 in Islington

#2,853 in Canada

Islington, Canada