Inventor · disambiguated record
David Fisher
Also filed as: FISHER DAVID · FISHER DAVID A · FISHER DAVID KEITH
13 granted patents·4 pending applications·9 citations·filing 2005–2024
85Inventor score
Top patents by PatentIndex Score
17 records- 0182US12065364B2Apparatuses and methods for treating, purifying and/or extracting from wastewaterFISHERH2O LLC·Filed 2023·Granted Aug 20, 2024·0 cites·1 claims
- 0282US2025051193A1Apparatuses and methods for treating, purifying and/or extracting from wastewaterFISHERH2O LLC·Filed 2024·Application pending·0 cites
- 0376US11987509B2Apparatuses for extracting rare earth metals and other materials from wastewaterFISHERH2O LLC·Filed 2022·Granted May 21, 2024·0 cites·10 claims
- 0473US10082469B2Luminescence measurements in diamondDE BEERS UK LTD·Filed 2016·Granted Sep 25, 2018·1 cites·40 claims
- 0572US11772991B2Apparatuses and methods for treating, purifying and/or extracting from wastewaterFISHERH2O LLC·Filed 2020·Granted Oct 3, 2023·0 cites·8 claims
- 0670US10662089B2Apparatus for treating, purifying and/or extracting from wastewaterFISHERH2O LLC·Filed 2019·Granted May 26, 2020·0 cites·30 claims
- 0768US11261108B2Apparatuses and methods for treating, purifying and/or extracting from wastewaterFISHERH2O LLC·Filed 2020·Granted Mar 1, 2022·0 cites·20 claims
- 0866US11541429B2Gemstone sortingDE BEERS UK LTD·Filed 2017·Granted Jan 3, 2023·2 cites·26 claims
- 0963US10345245B2Luminescence measurements in diamondDE BEERS UK LTD·Filed 2018·Granted Jul 9, 2019·0 cites·19 claims
- 1054US12194504B2Melee gemstone sortingDE BEERS UK LTD·Filed 2022·Granted Jan 14, 2025·0 cites·35 claims
- 1148US8640269B2Sanitary water conservation deviceDAVENPORT QUINTIN·Filed 2007·Granted Feb 4, 2014·3 cites·13 claims
- 1243US2015112643A1Infra-red analysis of diamondsDe Beers Centenary AG·Filed 2013·Application pending·0 cites
- 1340US2018284030A1Automated FTIR SpectrometerDE BEERS UK LTD·Filed 2016·Application pending·0 cites
- 1429USD624151SLiquid waste transfer lower housing IIDUCANE RES AND DEV PTY LTD·Filed 2009·Granted Sep 21, 2010·2 cites·1 claims
- 1529US2006227824A1Spectral conditioning mechanismDYER PETER J·Filed 2005·Application pending·0 cites
- 1627USD620217SLiquid waste transfer bucketDUCANE RES AND DEV PTY LTD·Filed 2009·Granted Jul 20, 2010·1 cites·1 claims
- 1724USD624152SLiquid waste transfer upper housing IIDUCANE RES AND DEV PTY LTD·Filed 2009·Granted Sep 21, 2010·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →