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USPTO Data Jan 1 1976 - Oct 13 2026
35 Patents
#39 in Toronto
#384 in Canada
#19,168 in the World
Barrick Gold Corporation
Forward Citations = 287
47 inventors:
Barrick Gold Corporation
% Expired Patents = 8.6
CIPO Patents = 5
EPO Patents = 8
Trademarks = 5
Forward Citations = 287
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47 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)
Core Competencies:
Thiosulfate Leaching
Pressure Oxidation
Gold Recovery
Resin-in-Leach
Oxide Ores
Copper Separation
Metal Sulfides
Arsenic Removal
Flotation Control
Calcine Leach
Refractory Ores
Acid Control
35 patents:
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),
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),
8. 10077487 - Method for arsenic oxidation and removal from process and waste solutions (2018-09-18),
10. 9346062 - Separation of copper minerals from pyrite using air-metabisulfite treatment (2016-05-24),
13. 8900535 - Production of zinc sulphate concentrates from a dilute zinc sulphate solution (2014-12-02),
Company Overview
Barrick Gold Corporation is a leading global gold mining company headquartered in Toronto, Canada. The organization specializes in the exploration, development, and production of gold and copper, with a focus on sustainable mining practices and responsible resource management. Barrick operates mines and projects across several continents, leveraging advanced technologies and innovative approaches to enhance operational efficiency and minimize environmental impact. The company is committed to creating long-term value for stakeholders while contributing to the communities in which it operates.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Barrick Gold Corporation. Retrieved from https://idiyas.com/company/barrick-gold
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]
5 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]