Assignee
QIAGEN GMBH
DE·153 granted patents·129 pending applications·3,286 citations·filing 1994–2025
Top patents by PatentIndex Score
282 records- 0198US6277648B1Process and a device for the isolation of cell components such as nucleic acids from natural sourcesQIAGEN GMBH·Filed 1994·Granted Aug 21, 2001·124 cites·10 claims
- 0295US7297485B2Method for nucleic acid amplification that results in low amplification biasQIAGEN GMBH·Filed 2003·Granted Nov 20, 2007·328 cites·70 claims
- 0394US7648824B2Method of sequencing DNAQIAGEN GMBH·Filed 2008·Granted Jan 19, 2010·53 cites·9 claims
- 0494US6977148B2Multiple displacement amplificationQIAGEN GMBH·Filed 2001·Granted Dec 20, 2005·276 cites·232 claims
- 0594US6977153B2Rolling circle amplification of RNAQIAGEN GMBH·Filed 2002·Granted Dec 20, 2005·102 cites·179 claims
- 0694US5747663AProcess for the depletion or removal of endotoxinsQIAGEN GMBH·Filed 1995·Granted May 5, 1998·110 cites·18 claims
- 0793US7682790B2Compositions for the isolation and/or stabilization of nucleic acids in biological materialsQIAGEN GMBH·Filed 2007·Granted Mar 23, 2010·18 cites·19 claims
- 0893US7270953B2Compositions for isolating and/or stabilising nucleic acids in biological materialQIAGEN GMBH·Filed 2001·Granted Sep 18, 2007·60 cites·35 claims
- 0993US7074916B2Process for the separation of double-stranded/single-stranded nucleic acid structuresQIAGEN GMBH·Filed 2003·Granted Jul 11, 2006·37 cites·30 claims
- 1092US7358047B2Methods of forming circular nucleic acid probes and uses thereofQIAGEN GMBH·Filed 2004·Granted Apr 15, 2008·115 cites·6 claims
- 1192US7005266B2Nucleic acid isolation from stool samples and other inhibitor-rich biological materialsQIAGEN GMBH·Filed 2001·Granted Feb 28, 2006·50 cites·22 claims
- 1291US7074600B2Amplification of denatured and stabilized nucleic acidsQIAGEN GMBH·Filed 2002·Granted Jul 11, 2006·81 cites·202 claims
- 1391US6723510B2Methods for separating particulate substrates from solution while minimizing particle lossQIAGEN GMBH·Filed 2001·Granted Apr 20, 2004·59 cites·46 claims
- 1491US6383393B1Chromatographic purification and separation process for mixtures of nucleic acidsQIAGEN GMBH·Filed 1994·Granted May 7, 2002·173 cites·23 claims
- 1591US6020186ADevice and process for isolating nucleic acids from cell suspensionsQIAGEN GMBH·Filed 1995·Granted Feb 1, 2000·126 cites·3 claims
- 1691US5990301AProcess for the separation and purification of nucleic acids from biological sourcesQIAGEN GMBH·Filed 1995·Granted Nov 23, 1999·157 cites·17 claims
- 1790US10740883B2Background compensationQIAGEN GMBH·Filed 2016·Granted Aug 11, 2020·23 cites·16 claims
- 1890US6992182B1Method for isolating DNA from biological materialsQIAGEN GMBH·Filed 2000·Granted Jan 31, 2006·70 cites·13 claims
- 1990US6180778B1Process for the separation of double-stranded/single-stranded nucleic acid structuresQIAGEN GMBH·Filed 1995·Granted Jan 30, 2001·148 cites·30 claims
- 2089US10738069B2Method for isolating nucleic acidsQIAGEN GMBH·Filed 2017·Granted Aug 11, 2020·3 cites·22 claims
- 2189US8372637B2Method for stabilising a biological sampleQIAGEN GMBH·Filed 2008·Granted Feb 12, 2013·17 cites·13 claims
- 2289US6733777B2Cationic reagents of transfectionQIAGEN GMBH·Filed 1999·Granted May 11, 2004·89 cites·48 claims
- 2388US7838233B2Method for the treatment of a sample containing biomoleculesQIAGEN GMBH·Filed 2006·Granted Nov 23, 2010·15 cites·36 claims
- 2488US6921642B2Protein expression profilingQIAGEN GMBH·Filed 2003·Granted Jul 26, 2005·36 cites·36 claims
- 2587US12110533B2Stabilisation and isolation of extracellular nucleic acidsQIAGEN GMBH·Filed 2021·Granted Oct 8, 2024·1 cites·14 claims
- 2687US10724074B2Stabilisation of biological samplesQIAGEN GMBH·Filed 2013·Granted Jul 28, 2020·5 cites·20 claims
- 2787US7109322B2Process for the depletion or removal of endotoxinsQIAGEN GMBH·Filed 2002·Granted Sep 19, 2006·18 cites·3 claims
- 2887US7041480B2Generation of single-strand circular DNA from linear self-annealing segmentsQIAGEN GMBH·Filed 2002·Granted May 9, 2006·20 cites·20 claims
- 2987US6946250B2Process for the separation of double-stranded/single-stranded nucleic acid structuresQIAGEN GMBH·Filed 2001·Granted Sep 20, 2005·15 cites·21 claims
- 3086US7955795B2Method of whole genome amplification with reduced artifact productionQIAGEN GMBH·Filed 2003·Granted Jun 7, 2011·22 cites·28 claims
- 3186US7683035B1Method of stabilizing and/or isolating nucleic acidsQIAGEN GMBH·Filed 2000·Granted Mar 23, 2010·40 cites·34 claims
- 3286US6861213B2Use of compositions consisting of cationic compounds and proton donors for stabilizing and/or isolating nucleic acids in or from micro-organisms such as prokaryots, fungi, protozoa or algaeQIAGEN GMBH·Filed 2001·Granted Mar 1, 2005·25 cites·40 claims
- 3386US2025289841A1Method for isolating nucleic acidsQIAGEN GMBH·Filed 2024·Application pending·0 cites
- 3484US10808276B2Method for isolating nucleic acidsQIAGEN GMBH·Filed 2017·Granted Oct 20, 2020·2 cites·32 claims
- 3584US7553619B2Detection method using dissociated rolling circle amplificationQIAGEN GMBH·Filed 2002·Granted Jun 30, 2009·27 cites·136 claims
- 3684US6258930B1Process and apparatus for breaking down biological materialQIAGEN GMBH·Filed 2000·Granted Jul 10, 2001·36 cites·18 claims
- 3784US2026035684A1Method for isolating nucleic acids from plant samplesQIAGEN GMBH·Filed 2025·Application pending·0 cites
- 3884US2026035683A1Method for isolating nucleic acids from plant samplesQIAGEN GMBH·Filed 2025·Application pending·0 cites
- 3983US7510826B2Process for the depletion or removal of endotoxinsQIAGEN GMBH·Filed 2006·Granted Mar 31, 2009·4 cites·4 claims
- 4083US7285331B1Ultraphobic surfaceQIAGEN GMBH·Filed 1999·Granted Oct 23, 2007·52 cites·27 claims
- 4183US6864100B1Automated protein purification the multiwell format by vacuum filtrationQIAGEN GMBH·Filed 2000·Granted Mar 8, 2005·41 cites·31 claims
- 4283US6586585B1Method for the size reduction of high-molecular structuresQIAGEN GMBH·Filed 1996·Granted Jul 1, 2003·62 cites·9 claims
- 4383US6297371B1Process for the preparation of endotoxin-free or endotoxin-depleted nucleic acids and/or oligonucleotides for gene therapyQIAGEN GMBH·Filed 1999·Granted Oct 2, 2001·41 cites·16 claims
- 4483US6274371B1Process and device for the isolation of cell components, such as nucleic acids, from natural sourcesQIAGEN GMBH·Filed 1995·Granted Aug 14, 2001·59 cites·15 claims
- 4582US7888006B2Method for isolating DNA from biological samplesQIAGEN GMBH·Filed 2002·Granted Feb 15, 2011·15 cites·54 claims
- 4681US11104896B2Method for isolating extracellular nucleic acids using anion exchange particlesQIAGEN GMBH·Filed 2016·Granted Aug 31, 2021·2 cites·21 claims
- 4781US10144952B2Stabilization and isolation of extracellular nucleic acidsQIAGEN GMBH·Filed 2014·Granted Dec 4, 2018·4 cites·14 claims
- 4881US8008475B1Method for isolating and purifying nucleic acids on surfacesQIAGEN GMBH·Filed 2000·Granted Aug 30, 2011·10 cites·70 claims
- 4980US11085073B2Method for immobilizing a nucleic acid molecule on a solid supportQIAGEN GMBH·Filed 2016·Granted Aug 10, 2021·3 cites·15 claims
- 5080US10655122B2Method, lysis solution and kit for selectively depleting animal nucleic acids in a sampleQIAGEN GMBH·Filed 2015·Granted May 19, 2020·4 cites·15 claims
Showing the top 50 of 282 patent records by PatentIndex Score.
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