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For the Inventor, By the Inventor

Singapore, Singapore

Deepgreen Engineering, Pte. Ltd.


USPTO Granted Patents = 3



Forward Citations = 0

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3 inventors (with patents filed for the assignee):

goldMedal William F Drinkard (3 out of 18 patents)

silverMedal Hans J Woerner (3 out of 8 patents)

bronzeMedal William M Nixon (3 out of 3 patents)


3 patents:

1. 9926206 - Treatment of manganese-containing materials (2018-03-27),
2. 9328400 - Treatment of manganese-containing materials (2016-05-03),
3. 9284627 - Process for recovering metal values from oxides of manganese-containing materials (2016-03-15),
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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#434 in Singapore

#435 in Singapore

...
Singapore, Singapore

Deepgreen Engineering, Pte. Ltd.

Forward Citations = 0

3 inventors:

goldMedal William F Drinkard (3 out of 18 patents)

silverMedal Hans J Woerner (3 out of 8 patents)

bronzeMedal William M Nixon (3 out of 3 patents)

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