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Vancouver, Canada

Cominco Engineering Services Ltd.

USPTO Granted Patents = 24

CIPO Patents = 1

Forward Citations = 381

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10 inventors (with patents filed for the assignee):

David L Jones (18 out of 20 patents)

William A Meekel (4 out of 4 patents)

Harold E Wyslouzil (4 out of 4 patents)

4. Gale L Hubred (2 out of 22 patents)

5. Rachel Moore (1 out of 1 patent)

6. Susan Karen Stocker (1 out of 1 patent)

7. Lorne M Wandzura (1 out of 1 patent)

8. Donald E Morency (1 out of 1 patent)

9. Peter H Dawson (1 out of 1 patent)

10. Neville P Jordison (1 out of 1 patent)

24 patents: Sort by Forward Citations

1. 7438874 - Pressure oxidation leaching in the presence of an acidic solution of halide and sulfate ions from copper and base metal containing ore/concentrate (2008-10-21),

2. 7169371 - Process for the treatment of molybdenum concentrate (2007-01-30),

3. 6755891 - Process for the treatment or removal of impurities in a hydrometallurgical extraction process (2004-06-29),

4. 6471849 - Process for the recovery of zinc from a zinc sulphide ore or concentrate (2002-10-29),

5. 6455019 - Process for the extraction of copper from a sulphide copper ore or concentrate (2002-09-24),

6. 6383460 - Process for the recovery of nickel and/or cobalt from a concentrate (2002-05-07),

7. RE37251 - Chloride assisted hydrometallurgical extraction of metal (2001-07-03),

8. 6171564 - Process for extraction of metal from an ore or concentrate containing nickel and/or cobalt (2001-01-09),

9. 6054105 - Process for the solvent extraction of nickel and cobalt values in the (2000-04-25),

10. 5902474 - Chloride assisted hydrometallurgical extraction of metal (1999-05-11),

11. 5874055 - Chloride assisted hydrometallurgical extraction of metal (1999-02-23),

12. 5869012 - Chloride assisted hydrometallurgical extraction of metal (1999-02-09),

13. 5857516 - Pressure reducing heat exchanger (1999-01-12),

14. 5855858 - Process for the recovery of nickel and/or cobalt from an ore or (1999-01-05),

15. 5814228 - Flotation method and apparatus (1998-09-29),

Cominco Engineering Services Ltd. is a leading engineering and consulting firm specializing in providing innovative solutions for a wide range of industries. With a team of experienced professionals and cutting-edge technology, we deliver high-quality engineering services to our clients. Our areas of expertise include civil engineering, structural engineering, mechanical engineering, and project management. We are committed to excellence in all that we do, and strive to exceed our clients' expectations on every project.

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

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USPTO Data Jan 1 1976 - Dec 30 2025

24 Patents

#25 in Vancouver

#559 in Canada

#25,865 in the World

Vancouver, Canada

Cominco Engineering Services Ltd.

Forward Citations = 381

10 inventors:

David L Jones (18 out of 20 patents)

William A Meekel (4 out of 4 patents)

Harold E Wyslouzil (4 out of 4 patents)

4. Gale L Hubred (2 out of 22 patents)

5. Rachel Moore (1 out of 1 patent)

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