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John Richmond
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Albany, OR, US
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last 30 patents
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Patent Grant
Particle separation apparatus
Patent number
11,911,775
Issue date
Feb 27, 2024
John M Richmond
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Hydraulic particle separation apparatus for placer mining
Patent number
10,065,197
Issue date
Sep 4, 2018
John Richmond
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Patents Applications
last 30 patents
Information
Patent Application
PARTICLE SEPARATION APPARATUS
Publication number
20230338967
Publication date
Oct 26, 2023
John M. Richmond
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HYDRAULIC PARTICLE SEPARATION APPARATUS FOR PLACER MINING
Publication number
20180015479
Publication date
Jan 18, 2018
John Richmond
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...