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Toronto, Canada

Barrick Gold Corporation

USPTO Granted Patents = 35

CIPO Patents = 67

EPO Patents = 9

Trademarks = 9

Forward Citations = 277

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64 inventors (with patents filed for the assignee):

Yeonuk Choi (14 out of 15 patents)

Jacques McMullen (8 out of 8 patents)

Ahmad Ghahremaninezhad Gharelar (4 out of 4 patents)

4. Barun Gorain (4 out of 4 patents)

5. Peter Kondos (4 out of 4 patents)

6. Kenneth G Thomas (4 out of 5 patents)

7. Samir Chefai (3 out of 3 patents)

8. Christopher Andrew Fleming (3 out of 13 patents)

9. Daniel Hillier (3 out of 3 patents)

10. Noelene Ahern (3 out of 3 patents)

11. Richard Williams (3 out of 3 patents)

12. Oscar Olvera Olmedo (2 out of 6 patents)

13. John William Langhans, Jr (2 out of 3 patents)

14. Qiankun Wang (2 out of 2 patents)

15. Nathan Stubina (2 out of 2 patents)

35 patents: Sort by Forward Citations

1. 12065714 - Method for carbon-catalysed thiosulfate leaching of gold-bearing materials (2024-08-20),

2. 11639540 - Method for carbon-catalysed thiosulfate leaching of gold-bearing materials (2023-05-02),

3. 11401580 - Method for pre-treatment of gold-bearing oxide ores (2022-08-02),

4. 10597752 - Method for pre-treatment of gold-bearing oxide ores (2020-03-24),

5. 10415116 - Co-current and counter current resin-in-leach in gold leaching processes (2019-09-17),

6. 10258996 - Separation of copper minerals from pyrite using air-metabisulfite treatment (2019-04-16),

7. 10161016 - Method for pre-treatment of gold-bearing oxide ores (2018-12-25),

8. 10077487 - Method for arsenic oxidation and removal from process and waste solutions (2018-09-18),

9. 9790572 - Co-current and counter current resin-in-leach in gold leaching processes (2017-10-17),

10. 9346062 - Separation of copper minerals from pyrite using air-metabisulfite treatment (2016-05-24),

11. 9194023 - Recovery of gold from roaster calcine leach tailings (2015-11-24),

12. 9051625 - Method for recovering precious metals and copper from leach solutions (2015-06-09),

13. 8900535 - Production of zinc sulphate concentrates from a dilute zinc sulphate solution (2014-12-02),

14. 8715389 - Co-current and counter current resin-in-leach in gold leaching processes (2014-05-06),

15. 8623115 - Alkaline and acid pressure oxidation of precious metal-containing materials (2014-01-07),

Barrick Gold Corporation is a leading international gold mining company. It owns and operates a diverse portfolio of mines and projects located across five continents. With headquarters in Toronto, Canada, Barrick is committed to responsible mining practices and creating sustainable value for its shareholders and stakeholders.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

35 Patents

#35 in Toronto

#363 in Canada

#18,580 in the World

Toronto, Canada

Barrick Gold Corporation

Forward Citations = 277

64 inventors:

Yeonuk Choi (14 out of 15 patents)

Jacques McMullen (8 out of 8 patents)

Ahmad Ghahremaninezhad Gharelar (4 out of 4 patents)

4. Barun Gorain (4 out of 4 patents)

5. Peter Kondos (4 out of 4 patents)

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