For the Inventor, By the Inventor

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Brisbane, Australia

Glencore Queensland Limited

USPTO Granted Patents = 3

CIPO Patents = 3

EPO Patents = 1

Forward Citations = 0

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3 inventors (with patents filed for the assignee):

Paul Benjamin Voigt (2 out of 5 patents)

Michael Matthew Hourn (1 out of 6 patents)

Patrick Bowen (1 out of 1 patent)

4. Patrick Joseph Bowen (0 patent)

5. Patrick Joseph Bowen (0 patent)

3 patents: Sort by Forward Citations

1. 9982323 - Recovery of zinc from lead slag (2018-05-29),

2. 8999274 - Treatment of sulphidic materials (2015-04-07),

3. 8974753 - Precipitation of zinc from solution (2015-03-10),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#21 in Brisbane

#1,364 in Australia

Brisbane, Australia

Glencore Queensland Limited

Forward Citations = 0

3 inventors:

Paul Benjamin Voigt (2 out of 5 patents)

Michael Matthew Hourn (1 out of 6 patents)

Patrick Bowen (1 out of 1 patent)

4. Patrick Joseph Bowen (0 patent)

5. Patrick Joseph Bowen (0 patent)

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