For the Inventor, By the Inventor

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Toronto, Canada

Union Carbide Canada Limited

USPTO Granted Patents = 25

Trademarks = 1

Forward Citations = 476

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34 inventors (with patents filed for the assignee):

Radovan R Maric (5 out of 6 patents)

Leo Ernest Hakka (3 out of 13 patents)

Ian F Norton (3 out of 17 patents)

4. John William Ross (2 out of 2 patents)

5. John H Cleminson (2 out of 2 patents)

6. Philip L Poissant (1 out of 10 patents)

7. Kenneth O Miller (1 out of 2 patents)

8. Robert R Maric (1 out of 1 patent)

9. J Robbin Wood (1 out of 1 patent)

10. Jack E Hazell (1 out of 1 patent)

11. Juergen D Philipp (1 out of 3 patents)

12. John N Sarlis (1 out of 1 patent)

13. Lincoln John Gosling (1 out of 1 patent)

14. Graham Fraser (1 out of 2 patents)

15. William Charles Morro (1 out of 1 patent)

25 patents: Sort by Forward Citations

1. D333177 - Combined gas and oil container (1993-02-09),

2. 5142874 - Cryogenic apparatus (1992-09-01),

3. 5123250 - Cryogenic apparatus (1992-06-23),

4. 5121637 - Gas cylinder gauge (1992-06-16),

5. 5062443 - Automatic changeover manifold (1991-11-05),

6. 5052626 - Coolant introduction in blow molding (1991-10-01),

7. 5025824 - Automatic changeover manifold (1991-06-25),

8. 5019361 - Removal and recovery of sulphur dioxide from gas streams (1991-05-28),

9. 5017350 - Gas scrubbing process (1991-05-21),

10. 4989840 - Controlling high humidity atmospheres in furnace main body (1991-02-05),

11. D303877 - Bench (1989-10-10),

12. 4834570 - Spring-locking member and use thereof in the construction of sectional (1989-05-30),

13. D296961 - Bench or similar article (1988-08-02),

14. 4562856 - Connector assembly for a gas (1986-01-07),

15. 4527587 - Connector assembly for a gas (1985-07-09),

Union Carbide Canada Limited is a subsidiary of Dow Chemical Company, specializing in providing chemicals and polymers to various industrial sectors. With a strong focus on safety and sustainability, the company offers a wide range of products and solutions to meet the needs of its customers. Union Carbide Canada Limited is committed to delivering high-quality products and services to support the growth and success of its clients.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

25 Patents

#55 in Toronto

#539 in Canada

#24,910 in the World

Toronto, Canada

Union Carbide Canada Limited

Forward Citations = 476

34 inventors:

Radovan R Maric (5 out of 6 patents)

Leo Ernest Hakka (3 out of 13 patents)

Ian F Norton (3 out of 17 patents)

4. John William Ross (2 out of 2 patents)

5. John H Cleminson (2 out of 2 patents)

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