Inventor
CHAPPA RALPH A
US74 patents
⚠️ This page may combine multiple inventors who share the name “CHAPPA RALPH A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SURMODICS INC
41 patentsUS7008667B2Mar 7, 2006
Bioactive agent release coating
SURMODICS INC173 citations99
US6890583B2May 10, 2005
Bioactive agent release coating
SURMODICS INC144 citations99
US6344035B1Feb 5, 2002
Bioactive agent release coating
SURMODICS INC573 citations99
US6254634B1Jul 3, 2001
Coating compositions
SURMODICS INC214 citations99
US6214901B1Apr 10, 2001
Bioactive agent release coating
SURMODICS INC584 citations99
US7709049B2May 4, 2010
Methods, devices, and coatings for controlled active agent release
SURMODICS INC72 citations98
USRE40722EJun 9, 2009
Method and apparatus for coating of substrates
SURMODICS INC76 citations98
US7348055B2Mar 25, 2008
Reagent and method for providing coatings on surfaces
SURMODICS INC117 citations98
US6562136B1May 13, 2003
Coating apparatus and method
SURMODICS INC125 citations98
US6465178B2Oct 15, 2002
Target molecule attachment to surfaces
SURMODICS INC419 citations98
US8039524B2Oct 18, 2011
Reagent and method for providing coatings on surfaces
SURMODICS INC65 citations97
US7736689B2Jun 15, 2010
Reagent and method for providing coatings on surfaces
SURMODICS INC73 citations97
US7192484B2Mar 20, 2007
Advanced coating apparatus and method
SURMODICS INC79 citations97
US7442402B2Oct 28, 2008
Bioactive agent release coating
SURMODICS INC51 citations96
US7125577B2Oct 24, 2006
Method and apparatus for coating of substrates
SURMODICS INC47 citations96
US7097850B2Aug 29, 2006
Bioactive agent release coating and controlled humidity method
SURMODICS INC76 citations96
US7087658B2Aug 8, 2006
Water-soluble coating agents bearing initiator groups
SURMODICS INC49 citations96
US6669994B2Dec 30, 2003
Water-soluble coating agents bearing initiator groups
SURMODICS INC68 citations96
US6406754B2Jun 18, 2002
Coating process and apparatus
SURMODICS INC48 citations96
US6254921B1Jul 3, 2001
Coating process and apparatus
SURMODICS INC69 citations96
US7824704B2Nov 2, 2010
Controlled release bioactive agent delivery device
SURMODICS INC46 citations95
US7958840B2Jun 14, 2011
Method and apparatus for coating of substrates
SURMODICS INC49 citations94
US7669548B2Mar 2, 2010
Method and apparatus for coating of substrates
SURMODICS INC26 citations93
US8021680B2Sep 20, 2011
Controlled release bioactive agent delivery device
SURMODICS INC32 citations92
US7976862B2Jul 12, 2011
Controlled release bioactive agent delivery device
SURMODICS INC12 citations92
US7077910B2Jul 18, 2006
Linear rail coating apparatus and method
SURMODICS INC24 citations92
US6709712B2Mar 23, 2004
Coating method
SURMODICS INC44 citations92
US9283350B2Mar 15, 2016
Coating apparatus and methods
SURMODICS INC15 citations84
US7550444B2Jun 23, 2009
Composition and method for preparing biocompatible surfaces
SURMODICS INC17 citations84
US10099041B2Oct 16, 2018
Apparatus and methods for coating medical devices
SURMODICS INC7 citations83
US9827401B2Nov 28, 2017
Apparatus and methods for coating medical devices
SURMODICS INC6 citations83
US9623215B2Apr 18, 2017
Apparatus and methods for coating medical devices
SURMODICS INC6 citations83
US9308355B2Apr 12, 2016
Apparatus and methods for coating medical devices
SURMODICS INC8 citations83
US8034369B2Oct 11, 2011
Controlled release bioactive agent delivery device
SURMODICS INC11 citations83
US7883749B2Feb 8, 2011
Method for coating an object with a graft polymer layer
SURMODICS INC11 citations83
US7833548B2Nov 16, 2010
Bioactive agent release coating and controlled humidity method
SURMODICS INC13 citations83
US7776382B2Aug 17, 2010
Advanced coating apparatus and method
SURMODICS INC13 citations83
US7691787B2Apr 6, 2010
Target molecule attachment to surfaces
SURMODICS INC6 citations73
US7550443B2Jun 23, 2009
Process and systems for biocompatible surfaces
SURMODICS INC7 citations73
US11090468B2Aug 17, 2021
Apparatus and methods for coating medical devices
SURMODICS INC6 citations72
US11027049B2Jun 8, 2021
Devices and methods for delivery of bioactive agents
SURMODICS INC3 citations72
CHAPPA RALPH A
7 patentsUS8668667B2Mar 11, 2014
Double wall catheter for delivering therapeutic agent
CHAPPA RALPH A21 citations92
US9364349B2Jun 14, 2016
Coating application system with shaped mandrel
CHAPPA RALPH A8 citations84
US8246974B2Aug 21, 2012
Medical devices and methods for producing the same
CHAPPA RALPH A13 citations84
US8166909B2May 1, 2012
Apparatus and methods for applying coatings
CHAPPA RALPH A10 citations84
US10058634B2Aug 28, 2018
Devices and methods for delivery of bioactive agents
CHAPPA RALPH A9 citations83
US8927000B2Jan 6, 2015
Lipid coating for medical devices delivering bioactive agent
CHAPPA RALPH A11 citations77
US8459310B2Jun 11, 2013
Systems and methods for filling medical device lumen
CHAPPA RALPH A5 citations73
SUNMODICS INC
1 patentCARLSON MARK F
1 patentShowing the top 50 of 74 patents by PatentIndex Score.