Inventor · disambiguated record
Craig G. Markell
Also filed as: MARKELL CRAIG G
23 granted patents·1,041 citations·filing 1991–2013
97Inventor score
Top patents by PatentIndex Score
23 records- 0199US5328758AParticle-loaded nonwoven fibrous article for separations and purificationsMINNESOTA MINING & MFG·Filed 1992·Granted Jul 12, 1994·173 cites·22 claims
- 0295US5071610AMethod of making a controlled pore composite polytetrafluoroethyleneMINNESOTA MINING & MFG·Filed 1991·Granted Dec 10, 1991·129 cites·20 claims
- 0392US5415779AParticle-loaded nonwoven fibrous article for separations and purificationsMINNESOTA MINING & MFG·Filed 1994·Granted May 16, 1995·66 cites·22 claims
- 0489US5595649AParticle-loaded nonwoven fibrous article for separations and purificationsMINNESOTA MINING & MFG·Filed 1995·Granted Jan 21, 1997·70 cites·29 claims
- 0588US5279742ASolid phase extraction mediumMINNESOTA MINING & MFG·Filed 1992·Granted Jan 18, 1994·89 cites·36 claims
- 0686US9519916B2System and method for concurrently conducting cause-and-effect experiments on content effectiveness and adjusting content distribution to optimize business objectives3M INNOVATIVE PROPERTIES CO·Filed 2013·Granted Dec 13, 2016·6 cites·19 claims
- 0786US5248428AArticle for separations and purifications and method of controlling porosity thereinMINNESOTA MINING & MFG·Filed 1992·Granted Sep 28, 1993·48 cites·21 claims
- 0886US5207915ASeparation method using controlled pore composite polytetrafluoroethylene articleMINNESOTA MINING & MFG·Filed 1992·Granted May 4, 1993·59 cites·16 claims
- 0985US8458103B2System and method for concurrently conducting cause-and-effect experiments on content effectiveness and adjusting content distribution to optimize business objectivesBROOKS BRIAN E·Filed 2010·Granted Jun 4, 2013·17 cites·31 claims
- 1084US5147539AControlled pore composite polytetrafluoroethylene articleMINNESOTA MINING & MFG·Filed 1991·Granted Sep 15, 1992·53 cites·20 claims
- 1181US5635060AComposite membranes for solid phase extractions and reactionsMINNESOTA MINING & MFG·Filed 1996·Granted Jun 3, 1997·40 cites·19 claims
- 1280US5738790AComposite membranes for solid phase extractions and reactionsMINNESOTA MINING & MFG·Filed 1997·Granted Apr 14, 1998·37 cites·22 claims
- 1380US5529686AComposite membranes for solid phase extractions and reactionsMINNESOTA MINING & MFG·Filed 1995·Granted Jun 25, 1996·36 cites·21 claims
- 1479US5238621AMethod of controlling porosity in a composite articleMINNESOTA MINING & MFG·Filed 1992·Granted Aug 24, 1993·40 cites·20 claims
- 1570US5403489ASolid phase extraction method and apparatusMINNESOTA MINING & MFG·Filed 1993·Granted Apr 4, 1995·31 cites·32 claims
- 1669US5639372AComposite membranes for solid phase extractions and reactionsMINNESOTA MINING & MFG·Filed 1996·Granted Jun 17, 1997·22 cites·27 claims
- 1769US5616407ASelf-wettable solid phase extraction mediumMINNESOTA MINING & MFG·Filed 1995·Granted Apr 1, 1997·28 cites·26 claims
- 1863US5618438AMethod of isolating an analyte using a solid phase extraction mediumMINNESOTA MINING & MFG·Filed 1995·Granted Apr 8, 1997·31 cites·30 claims
- 1957USRE36811ESolid phase extraction mediumMINNESOTA MINING & MFG·Filed 1994·Granted Aug 8, 2000·21 cites·37 claims
- 2056US6270609B1Hard disk drive filter3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Aug 7, 2001·18 cites·13 claims
- 2155US5340746AComposite reactive articles for the determination of cyanideMINNESOTA MINING & MFG·Filed 1993·Granted Aug 23, 1994·15 cites·10 claims
- 2250US5470532AComposite reactive articles for the determination of cyanideMINNESOTA MINING & MFG·Filed 1994·Granted Nov 28, 1995·12 cites·22 claims
- 2344US7393129B2Optical film assemblies and methods of making same3M INNOVATIVE PROPERTIES CO·Filed 2006·Granted Jul 1, 2008·0 cites·22 claims
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