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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),

PPG Industries Canada Ltd. is a leading manufacturer of coatings, glass, and specialty products. With a focus on innovation and sustainability, PPG offers a wide range of solutions for customers in the automotive, aerospace, construction, and industrial markets. The company is committed to creating a more sustainable future through its products and processes.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

16 Patents

#4 in Regina

#886 in Canada

#36,617 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)

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