Andrew John Portsmouth

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Sunninghill, Berkshire, GB

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Patents Grantslast 30 patents

Information Patent Grant
Melee gemstone sorting
- Patent number 12,194,504
- Issue date Jan 14, 2025
- De Beers UK Ltd.
- Philip Harris
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Gemstone sorting
- Patent number 11,541,429
- Issue date Jan 3, 2023
- De Beers UK Ltd.
- Andrew John Portsmouth
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
MELEE GEMSTONE SORTING
- Publication number 20240326097
- Publication date Oct 3, 2024
- De Beers UK Ltd
- Philip HARRIS
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Application
GEMSTONE SORTING
- Publication number 20200094289
- Publication date Mar 26, 2020
- DE BEERS UK LTD
- Andrew John Portsmouth
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING