% Expired Patents = 80.0

CIPO Patents = 7

Trademarks = 1

Forward Citations = 12

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6 inventors (with patents filed for the assignee):

Raymond Ford Johnson (4 out of 17 patents)

Markley Dean Johnson (2 out of 13 patents)

Rodney Grage (2 out of 13 patents)

4. Joseph M Bly, Jr (1 out of 1 patent)

5. Melvin O Stacy (1 out of 6 patents)

6. Enrique M Proaño (1 out of 2 patents)

7. Enrique M Proano (1 patent)

8. Richard C Ellithorpe (2 patents)

9. Joseph M Bly (0 patent)

10. Donald E Friesen (0 patent)

11. Alexander Radok (0 patent)

12. Jr Bly Joseph M (0 patent)

5 patents: Sort by Forward Citations

1. 8882997 - Wastewater treatment method and apparatus (2014-11-11),

2. 8715498 - System and apparatus for treating well flow-back and produced water or other wastewater (2014-05-06),

3. 8591739 - Molecular separator (2013-11-26),

4. 8557116 - Molecular separator (2013-10-15),

5. 8419935 - Molecular separator (2013-04-16),

Tervita Corporation is a leading environmental solutions provider. With a focus on waste management, energy services, and industrial services, Tervita helps customers manage their environmental impact and sustainability efforts. The company offers a range of services including waste disposal, recycling, remediation, and site reclamation. Tervita is committed to providing innovative and sustainable solutions to protect the environment and promote a cleaner, healthier future.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

5 Patents

#205 in Calgary

#2,848 in Canada

Calgary, Canada

Tervita Corporation