% Expired Patents = 57.1

CIPO Patents = 3

EPO Patents = 8

Trademarks = 4

Forward Citations = 8

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5 inventors (with patents filed for the assignee):

Mark Goodwin (5 out of 7 patents)

Kerry Green (3 out of 5 patents)

Michael McIlrath (2 out of 2 patents)

4. Reanne Pernerowski (1 out of 1 patent)

5. Brenda Dubeck (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 10351481 - Potassium-based starter fertilizer (2019-07-16),

2. 9643799 - Pneumatic conveyor (2017-05-09),

3. 9499450 - Electrostatic adhesion of dry powders to macro fertilizers (2016-11-22),

4. 9365462 - Phosphate magnesium zinc fertilizer (2016-06-14),

5. 9187380 - Phosphorus zinc manganese fertilizer (2015-11-17),

6. 9139484 - Foliar metal ion nutrient fertilizer (2015-09-22),

7. 9133065 - High efficiency magnesium fertilizer (2015-09-15),

Company Overview

Compass Minerals Manitoba Inc. is a leading producer of essential minerals, including salt and sulfate of potash specialty fertilizer. Part of the global Compass Minerals organization, our Manitoba operation mines and processes salt at the world’s largest salt mine in Goderich, Ontario, serving customers in the food, agriculture, and industrial markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#27 in Winnipeg

#2,102 in Canada

Winnipeg, Canada

Compass Minerals Manitoba Inc.

Forward Citations = 8

5 inventors:

Mark Goodwin (5 out of 7 patents)

Kerry Green (3 out of 5 patents)

Michael McIlrath (2 out of 2 patents)

4. Reanne Pernerowski (1 out of 1 patent)

5. Brenda Dubeck (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Compass Minerals Manitoba Inc.. Retrieved from https://idiyas.com/company/compass-minerals-manitoba

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

3 patents (CIPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

8 patents (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]