Assignee
GJERDE DOUGLAS T
US·20 granted patents·13 pending applications·152 citations·filing 2004–2021
Top patents by PatentIndex Score
33 records- 0197US10107729B2Isolation, detection and use of biological cellsGJERDE DOUGLAS T·Filed 2016·Granted Oct 23, 2018·8 cites·20 claims
- 0296US11137327B2Isolation, detection and use of biological cellsGJERDE DOUGLAS T·Filed 2018·Granted Oct 5, 2021·6 cites·18 claims
- 0396US10830676B2Isolation, detection and use of biological cellsGJERDE DOUGLAS T·Filed 2018·Granted Nov 10, 2020·6 cites·20 claims
- 0496US8148168B2Method and device for sample preparationGJERDE DOUGLAS T·Filed 2010·Granted Apr 3, 2012·34 cites·22 claims
- 0595US11097207B2Columns for isolation, detection and use of biological cellsGJERDE DOUGLAS T·Filed 2019·Granted Aug 24, 2021·6 cites·18 claims
- 0695US11077389B2Methods for purifying biological cellsGJERDE DOUGLAS T·Filed 2019·Granted Aug 3, 2021·6 cites·11 claims
- 0795US10220332B2Columns for isolation, detection and use of biological cellsGJERDE DOUGLAS T·Filed 2018·Granted Mar 5, 2019·6 cites·20 claims
- 0894US9920294B2Devices and methods for purification, detection and use of biological cellsGJERDE DOUGLAS T·Filed 2015·Granted Mar 20, 2018·9 cites·13 claims
- 0994US9370732B2Methods for purifying biological cellsGJERDE DOUGLAS T·Filed 2014·Granted Jun 21, 2016·10 cites·11 claims
- 1093US10307693B2Methods for purifying biological cellsGJERDE DOUGLAS T·Filed 2016·Granted Jun 4, 2019·6 cites·9 claims
- 1191US9637719B2Devices and methods for purification of biological cellsGJERDE DOUGLAS T·Filed 2014·Granted May 2, 2017·9 cites·22 claims
- 1291US8148169B2Method and device for extracting an analyteGJERDE DOUGLAS T·Filed 2011·Granted Apr 3, 2012·9 cites·10 claims
- 1390US9891148B2Method and apparatus for pipette tip columnsGJERDE DOUGLAS T·Filed 2015·Granted Feb 13, 2018·7 cites·22 claims
- 1488US8057668B2Method and device for extracting an analyteGJERDE DOUGLAS T·Filed 2010·Granted Nov 15, 2011·6 cites·21 claims
- 1586US8143071B2Method and device for extracting an analyteGJERDE DOUGLAS T·Filed 2007·Granted Mar 27, 2012·10 cites·15 claims
- 1683US9242244B2Method and apparatus for pipette tip columnsGJERDE DOUGLAS T·Filed 2011·Granted Jan 26, 2016·9 cites·25 claims
- 1767US12449335B2Piston pump syringe column method and deviceGJERDE DOUGLAS T·Filed 2021·Granted Oct 21, 2025·0 cites·14 claims
- 1864US2009081084A1Low Dead Volume Extraction Column DeviceGJERDE DOUGLAS T·Filed 2008·Application pending·0 cites
- 1963US9114383B2Method and device for extracting an analyteGJERDE DOUGLAS T·Filed 2004·Granted Aug 25, 2015·5 cites·57 claims
- 2062US8748194B2Low dead volume extraction column deviceGJERDE DOUGLAS T·Filed 2013·Granted Jun 10, 2014·0 cites·20 claims
- 2160US2024091333A1Temperature Stable Nucleic Acid Method for Preparing VaccinesGJERDE DOUGLAS T·Filed 2021·Application pending·0 cites
- 2258US8501116B2Low dead volume extraction column deviceGJERDE DOUGLAS T·Filed 2011·Granted Aug 6, 2013·0 cites·18 claims
- 2353US2012018381A1Method and Device for Extracting an AnalyteGJERDE DOUGLAS T·Filed 2011·Application pending·0 cites
- 2452US2007161010A1Methods and compositions for mutation analysisGJERDE DOUGLAS T·Filed 2006·Application pending·0 cites
- 2550US2009223893A1Method and Device for Desalting an AnalyteGJERDE DOUGLAS T·Filed 2009·Application pending·0 cites
- 2650US2008145950A1Method for extracting an analyteGJERDE DOUGLAS T·Filed 2007·Application pending·0 cites
- 2748US2006188404A1Method and article for sealing a microplateGJERDE DOUGLAS T·Filed 2006·Application pending·0 cites
- 2847US2007196833A1Open channel solid phase extraction systems and methodsGJERDE DOUGLAS T·Filed 2006·Application pending·0 cites
- 2946US2008119637A1Pipette tip column, resin and method of use for extracting an analyteGJERDE DOUGLAS T·Filed 2007·Application pending·0 cites
- 3044US2006198765A1Method and device for sample preparationGJERDE DOUGLAS T·Filed 2006·Application pending·0 cites
- 3143US2006118491A1Method and device for desalting an analyteGJERDE DOUGLAS T·Filed 2005·Application pending·0 cites
- 3241US2012164750A1Method and Device for Sample PreparationGJERDE DOUGLAS T·Filed 2012·Application pending·0 cites
- 3341US2005258097A1Method and device for extracting an analyteGJERDE DOUGLAS T·Filed 2005·Application pending·0 cites
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →