Inventor
RAGSDALE CHARLES W
US26 patents
⚠️ This page may combine multiple inventors who share the name “RAGSDALE CHARLES W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BIO RAD LABORATORIES
21 patentsUS5280404AJan 18, 1994
Arc detection system
BIO RAD LABORATORIES110 citations98
US5642035AJun 24, 1997
Transfection high-voltage controller
BIO RAD LABORATORIES19 citations92
US4750100AJun 7, 1988
Transfection high voltage controller
BIO RAD LABORATORIES42 citations92
US7771933B2Aug 10, 2010
Localized temperature control for spatial arrays of reaction media
BIO RAD LABORATORIES25 citations91
US5183101AFeb 2, 1993
Circulating chiller for electrified solutions
BIO RAD LABORATORIES30 citations91
US6258592B1Jul 10, 2001
Electroporation cell with arc prevention/reduction
BIO RAD LABORATORIES40 citations87
US7923238B2Apr 12, 2011
Multi-channel electroporation system
BIO RAD LABORATORIES7 citations84
US7750605B2Jul 6, 2010
Controlling an electrical signal sent to a sample load using a pulse modulated resistance
BIO RAD LABORATORIES9 citations84
US5656926AAug 12, 1997
Transfection high-voltage controller
BIO RAD LABORATORIES15 citations82
US7428322B2Sep 23, 2008
Imaging method and apparatus
BIO RAD LABORATORIES7 citations74
US5729426AMar 17, 1998
Transfection high-voltage controller
BIO RAD LABORATORIES10 citations74
US8043838B2Oct 25, 2011
Electroporation cuvette with spatially variable electric field
BIO RAD LABORATORIES2 citations63
US8008063B2Aug 30, 2011
Individual-cell electroporation using area-focused electric fields
BIO RAD LABORATORIES4 citations63
US7454047B2Nov 18, 2008
Imaging method and apparatus
BIO RAD LABORATORIES4 citations63
US6713292B2Mar 30, 2004
Electroporation cuvette insert for facilitating membrane-based fusion
BIO RAD LABORATORIES3 citations63
US6771082B2Aug 3, 2004
Resistance circuit stabilization and pulse duration control systems for electroporation instruments
BIO RAD LABORATORIES6 citations61
US7799555B2Sep 21, 2010
Apparatus for high-throughput electroporation
BIO RAD LABORATORIES6 citations57
US7943367B2May 17, 2011
High-throughput electroporation chamber with functional lid for risk reduction
BIO RAD LABORATORIES5 citations54
US7576549B2Aug 18, 2009
Methods for measuring sample resistance in electroporation
BIO RAD LABORATORIES1 citations52
US4878008AOct 31, 1989
Contour-clamped homogeneous electric field generator
BIO RAD LABORATORIES1 citations52
US8017381B2Sep 13, 2011
Composite electroporation plate with interchangeable well inserts
BIO RAD LABORATORIES0 citations46