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Ppg Industries Canada Ltd.

USPTO Granted Patents = 16

Forward Citations = 125

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15 inventors (with patents filed for the assignee):

Donald H Geesen (6 out of 6 patents)

Elmar L Goldsmith (4 out of 4 patents)

Robert E Thompson (2 out of 2 patents)

4. Byron P Edmonds (2 out of 2 patents)

5. Hugh Cunningham (1 out of 17 patents)

6. Carl W Raetzch (1 out of 1 patent)

7. Richard J Blanchfield (1 out of 1 patent)

8. Robert Cote (1 out of 1 patent)

9. Michael A Wolanyk (1 out of 1 patent)

10. William B Darlington (1 out of 20 patents)

11. Henry A Antemuik (1 out of 1 patent)

12. Boyd R Willett (1 out of 1 patent)

13. Selby W Porter (1 out of 1 patent)

14. Edward P Helvenston (1 out of 1 patent)

15. Brett G Haugrud (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. 4536418 - Method for treating potash with anticaking agent (1985-08-20),

2. 4386936 - Production of potassium chloride using pond crystallization (1983-06-07),

3. 4385902 - Process for purifying crystalline potassium chloride (1983-05-31),

4. 4290650 - Subterranean cavity chimney development for connecting solution mined (1981-09-22),

5. 4284306 - Apparatus and method of mining subterranean rubble piles (1981-08-18),

6. 4276117 - Process of treating potassium chloride brine by evaporation and (1981-06-30),

7. 4264104 - Rubble mining (1981-04-28),

8. 4239288 - Solution mining method utilizing sub-surface aquifer (1980-12-16),

9. 4239287 - Solution mining potassium chloride from heated subterranean cavities (1980-12-16),

10. 4231840 - Method of concentrating an aqueous solution by multiple effect (1980-11-04),

11. 4224037 - Method for operating multiple effect evaporators (1980-09-23),

12. 4224036 - Method of concentrating salt solutions (1980-09-23),

13. 4224035 - Method of separating salts from solution (1980-09-23),

14. 4192555 - Method of disposing solid sodium chloride while selectively solution (1980-03-11),

15. 4088551 - Electrolytic cell and method of electrolysis (1978-05-09),

Company Overview

PPG Industries Canada Ltd., based in Regina, specializes in the development and manufacturing of coatings, specialty materials, and glass products. The company is part of a global organization known for its innovative solutions across various sectors, including automotive, aerospace, and industrial markets. PPG is committed to advancing technology in coatings and materials science, focusing on sustainability and performance to meet the evolving needs of its customers in Canada and beyond.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

16 Patents

#5 in Regina

#929 in Canada

#37,788 in the World

Ppg Industries Canada Ltd.

Forward Citations = 125

15 inventors:

Donald H Geesen (6 out of 6 patents)

Elmar L Goldsmith (4 out of 4 patents)

Robert E Thompson (2 out of 2 patents)

4. Byron P Edmonds (2 out of 2 patents)

5. Hugh Cunningham (1 out of 17 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ppg Industries Canada Ltd.. Retrieved from https://idiyas.com/company/ppg-industries-canada

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]

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