RC

Ralph A. Chappa

SU Surmodics: 71 patents #1 of 104Top 1%
📍 Ham Lake, MN: #3 of 189 inventorsTop 2%
🗺 Minnesota: #423 of 52,454 inventorsTop 1%
Overall (All Time): #27,152 of 4,157,543Top 1%
73
Patents All Time

Issued Patents All Time

Showing 26–50 of 73 patents

Patent #TitleCo-InventorsDate
8961457 Catheter assembly with guard 2015-02-24
8927000 Lipid coating for medical devices delivering bioactive agent Emily R. Rolfes Meyering 2015-01-06
8697106 Coating composition Tim M. Kloke, Steven J. Keough, Nathan A. Lockwood, Margaret R. Gardner, Robert W. Hergenrother 2014-04-15
8685421 Beaded wound spacer device Tim M. Kloke, Steven J. Keough, Nathan A. Lockwood, Margaret R. Gardner, Robert W. Hergenrother 2014-04-01
8668667 Double wall catheter for delivering therapeutic agent 2014-03-11
8496954 Coating systems for the controlled delivery of hydrophilic bioactive agents Robert W. Hergenrother, Shannon Wadman, Klaus Wormuth 2013-07-30
8459310 Systems and methods for filling medical device lumen 2013-06-11
8318263 Method for coating an object with a graft polymer layer Mark F. Carlson, Steven J. Porter, Sean M. Stucke 2012-11-27
8246974 Medical devices and methods for producing the same 2012-08-21
8166909 Apparatus and methods for applying coatings 2012-05-01
8142836 Multi-layered coatings and methods for controlling elution of active agents 2012-03-27
8039524 Reagent and method for providing coatings on surfaces Sean M. Stucke, Richard A. Amos, Terrence P. Everson, Stephen J. Chudzik, Dale G. Swan +1 more 2011-10-18
8034369 Controlled release bioactive agent delivery device Aron B. Anderson, Laurie R. Lawin, Byron C. Shen, Eugene de Juan, Jr., Signe Varner 2011-10-11
8021680 Controlled release bioactive agent delivery device Aron B. Anderson, Laurie R. Lawin, Byron C. Shen, Eugene de Juan, Jr., Signe Varner 2011-09-20
7976862 Controlled release bioactive agent delivery device Aron B. Anderson, Laurie R. Lawin, Byron C. Shen, Eugene de Juan, Jr., Signe Varner 2011-07-12
7958840 Method and apparatus for coating of substrates 2011-06-14
7883749 Method for coating an object with a graft polymer layer Mark F. Carlson, Steven J. Porter, Sean M. Stucke 2011-02-08
7833548 Bioactive agent release coating and controlled humidity method Robert W. Hergenrother, Aron B. Anderson, Linh V. Tran, Laurie R. Lawin, Ronald F. Ofstead 2010-11-16
7824704 Controlled release bioactive agent delivery device Aron B. Anderson, Laurie R. Lawin, Byron C. Shen, Eugene de Juan, Jr., Signe Varner 2010-11-02
7776382 Advanced coating apparatus and method Mark F. Carlson 2010-08-17
7736689 Reagent and method for providing coatings on surfaces Sean M. Stucke, Richard A. Amos, Terrence P. Everson, Stephen J. Chudzik, Dale G. Swan +1 more 2010-06-15
7709049 Methods, devices, and coatings for controlled active agent release 2010-05-04
7691787 Target molecule attachment to surfaces Sheau-Ping Hu, Dale G. Swan, Melvin J. Swanson, Patrick Guire 2010-04-06
7669548 Method and apparatus for coating of substrates 2010-03-02
7575781 Method for depositing a polymeric coating on a substrate 2009-08-18