Inventor · disambiguated record
Charles W. Ragsdale
Also filed as: RAGSDALE CHARLES · RAGSDALE CHARLES W
27 granted patents·8 pending applications·379 citations·filing 1977–2010
96Inventor score
Files withBIO RAD LABORATORIES27CAVITRON CORP3RAGSDALE CHARLES W2ARCINIEGAS GERMAN1BIO RAD LAB INC A CORP OF THE1
Top patents by PatentIndex Score
35 records- 0194US5280404AArc detection systemBIO RAD LABORATORIES·Filed 1992·Granted Jan 18, 1994·110 cites·13 claims
- 0289US7750605B2Controlling an electrical signal sent to a sample load using a pulse modulated resistanceBIO RAD LABORATORIES·Filed 2007·Granted Jul 6, 2010·9 cites·28 claims
- 0386US8222909B2Electroporation system with dial-in time constantRAGSDALE CHARLES·Filed 2009·Granted Jul 17, 2012·12 cites·22 claims
- 0486US7923238B2Multi-channel electroporation systemBIO RAD LABORATORIES·Filed 2006·Granted Apr 12, 2011·7 cites·25 claims
- 0583US8008063B2Individual-cell electroporation using area-focused electric fieldsBIO RAD LABORATORIES·Filed 2009·Granted Aug 30, 2011·4 cites·8 claims
- 0680US7799555B2Apparatus for high-throughput electroporationBIO RAD LABORATORIES·Filed 2007·Granted Sep 21, 2010·6 cites·15 claims
- 0779US7771933B2Localized temperature control for spatial arrays of reaction mediaBIO RAD LABORATORIES·Filed 2004·Granted Aug 10, 2010·25 cites·7 claims
- 0878US8945881B2Localized temperature control for spatial arrays of reaction mediaARCINIEGAS GERMAN·Filed 2010·Granted Feb 3, 2015·5 cites·14 claims
- 0978US7454047B2Imaging method and apparatusBIO RAD LABORATORIES·Filed 2006·Granted Nov 18, 2008·4 cites·26 claims
- 1077US4750100ATransfection high voltage controllerBIO RAD LABORATORIES·Filed 1986·Granted Jun 7, 1988·42 cites·35 claims
- 1176US8043838B2Electroporation cuvette with spatially variable electric fieldBIO RAD LABORATORIES·Filed 2009·Granted Oct 25, 2011·2 cites·12 claims
- 1275US7943367B2High-throughput electroporation chamber with functional lid for risk reductionBIO RAD LABORATORIES·Filed 2007·Granted May 17, 2011·5 cites·9 claims
- 1375US7576549B2Methods for measuring sample resistance in electroporationBIO RAD LABORATORIES·Filed 2006·Granted Aug 18, 2009·1 cites·24 claims
- 1473US5642035ATransfection high-voltage controllerBIO RAD LABORATORIES·Filed 1994·Granted Jun 24, 1997·19 cites·16 claims
- 1570US7428322B2Imaging method and apparatusBIO RAD LABORATORIES·Filed 2004·Granted Sep 23, 2008·7 cites·42 claims
- 1667US6771082B2Resistance circuit stabilization and pulse duration control systems for electroporation instrumentsBIO RAD LABORATORIES·Filed 2002·Granted Aug 3, 2004·6 cites·17 claims
- 1766US5183101ACirculating chiller for electrified solutionsBIO RAD LABORATORIES·Filed 1991·Granted Feb 2, 1993·30 cites·9 claims
- 1865US5656926ATransfection high-voltage controllerBIO RAD LABORATORIES·Filed 1996·Granted Aug 12, 1997·15 cites·8 claims
- 1962US6713292B2Electroporation cuvette insert for facilitating membrane-based fusionBIO RAD LABORATORIES·Filed 2002·Granted Mar 30, 2004·3 cites·14 claims
- 2058US2009305380A1Electroporation of adherent cells with an array of closely spaced electrodesBIO RAD LABORATORIES·Filed 2009·Application pending·0 cites
- 2156US6258592B1Electroporation cell with arc prevention/reductionBIO RAD LABORATORIES·Filed 1999·Granted Jul 10, 2001·40 cites·19 claims
- 2254US5729426ATransfection high-voltage controllerBIO RAD LABORATORIES·Filed 1996·Granted Mar 17, 1998·10 cites·3 claims
- 2354US2009269851A1Use of disk surface for electroporation of adherent cellsBIO RAD LAB INC A CORP OF THE·Filed 2009·Application pending·0 cites
- 2452US8221299B2Centrifugal force-based system for detection/treatment of membrane-encased structuresRAGSDALE CHARLES W·Filed 2009·Granted Jul 17, 2012·0 cites·12 claims
- 2552US2008124778A1Electroporation Cuvette with High Field Intensity and Field-Induced AgitationBIO RAD LABORATORIES·Filed 2006·Application pending·0 cites
- 2651US4164863ASystem and method for analyzing tonosignalsCAVITRON CORP·Filed 1977·Granted Aug 21, 1979·8 cites·24 claims
- 2749US8017381B2Composite electroporation plate with interchangeable well insertsBIO RAD LABORATORIES·Filed 2007·Granted Sep 13, 2011·0 cites·22 claims
- 2848US2009081750A1Transfection in magnetically driven continuous flowBIO RAD LABORATORIES·Filed 2008·Application pending·0 cites
- 2948US2008138876A1Transfection in electronically driven continuous flowBIO RAD LABORATORIES·Filed 2006·Application pending·0 cites
- 3047US2010297753A1Transfection by laser poration on rotating cylinderRAGSDALE CHARLES W·Filed 2009·Application pending·0 cites
- 3144US2006246572A1Automatic electroporation optimization systemBIO RAD LABORATORIES·Filed 2006·Application pending·0 cites
- 3243US4344037ASystem and method for analyzing tonosignalsCAVITRON CORP·Filed 1979·Granted Aug 10, 1982·5 cites·7 claims
- 3338US2003129716A1Automatic electroporation optimization systemBIO RAD LABORATORIES·Filed 2002·Application pending·0 cites
- 3430US4878008AContour-clamped homogeneous electric field generatorBIO RAD LABORATORIES·Filed 1988·Granted Oct 31, 1989·1 cites·57 claims
- 3524US4310224APrecisely movable mirror mountCAVITRON CORP·Filed 1979·Granted Jan 12, 1982·3 cites·10 claims
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