Patents by Inventor Marc D. Knutson

Marc D. Knutson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Methods of manufacture of catheter with helical drive shaft
    Patent number: 10335188
    Abstract: Drive shafts having helical blades and methods of making are disclosed. In one method a helical auger blade is formed by twisting or sculpting a heated polymer tube which has been placed over a cylindrical drive shaft. In another method a drive shaft is placed within a helical winding and heat is applied to melt polymer which has been coated over one or both of the drive shaft and helical winding.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: July 2, 2019
    Assignee: Covidien LP
    Inventors: Jenny Zeroni, Cory David Sills, Victoria Schuman, Marc D. Knutson, Bryan Matthew Ladd, Benjamin Robert Fruland, Lucas Schneider, Alexander J. Rice
  • CATHETER WITH HELICAL DRIVE SHAFT AND METHODS OF MANUFACTURE
    Publication number: 20170360470
    Abstract: Drive shafts having helical blades and methods of making are disclosed. In one method a helical auger blade is formed by twisting or sculpting a heated polymer tube which has been placed over a cylindrical drive shaft. In another method a drive shaft is placed within a helical winding and heat is applied to melt polymer which has been coated over one or both of the drive shaft and helical winding.
    Type: Application
    Filed: August 23, 2017
    Publication date: December 21, 2017
    Inventors: Jenny Zeroni, Cory David Sills, Victoria Schuman, Marc D. Knutson, Bryan Matthew Ladd, Benjamin Robert Fruland, Lucas Schneider, Alexander J. Rice
  • Catheter with helical drive shaft and methods of manufacture
    Patent number: 9770259
    Abstract: Drive shafts having helical blades and methods of making are disclosed. In one method a helical auger blade is formed by twisting or sculpting a heated polymer tube which has been placed over a cylindrical drive shaft. In another method a drive shaft is placed within a helical winding and heat is applied to melt polymer which has been coated over one or both of the drive shaft and helical winding.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: September 26, 2017
    Assignee: Covidien LP
    Inventors: Jenny Zeroni, Cory David Sills, Victoria Schuman, Marc D. Knutson, Bryan Matthew Ladd, Benjamin Robert Fruland, Lucas Schneider, Alexander J. Rice
  • CATHETER WITH HELICAL DRIVE SHAFT AND METHODS OF MANUFACTURE
    Publication number: 20150238223
    Abstract: Drive shafts having helical blades and methods of making are disclosed. In one method a helical auger blade is formed by twisting or sculpting a heated polymer tube which has been placed over a cylindrical drive shaft. In another method a drive shaft is placed within a helical winding and heat is applied to melt polymer which has been coated over one or both of the drive shaft and helical winding.
    Type: Application
    Filed: March 10, 2015
    Publication date: August 27, 2015
    Inventors: Jenny Zeroni, Cory David Sills, Victoria Schuman, Marc D. Knutson, Bryan Matthew Ladd, Benjamin Robert Fruland, Lucas Schneider, Alexander J. Rice
  • Catheter with helical drive shaft and methods of manufacture
    Patent number: 8992717
    Abstract: Drive shafts having helical blades and methods of making are disclosed. In one method a helical auger blade is formed by twisting or sculpting a heated polymer tube which has been placed over a cylindrical drive shaft. In another method a drive shaft is placed within a helical winding and heat is applied to melt polymer which has been coated over one or both of the drive shaft and helical winding.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: March 31, 2015
    Assignee: Covidien LP
    Inventors: Jenny Zeroni, Cory David Sills, Victoria Schuman, Marc D. Knutson, Bryan Matthew Ladd, Benjamin Robert Fruland, Lucas Schneider, Alexander J. Rice
  • CATHETER WITH HELICAL DRIVE SHAFT AND METHODS OF MANUFACTURE
    Publication number: 20130220524
    Abstract: Drive shafts having helical blades and methods of making are disclosed. In one method a helical auger blade is formed by twisting or sculpting a heated polymer tube which has been placed over a cylindrical drive shaft. In another method a drive shaft is placed within a helical winding and heat is applied to melt polymer which has been coated over one or both of the drive shaft and helical winding.
    Type: Application
    Filed: August 30, 2012
    Publication date: August 29, 2013
    Applicant: TYCO HEALTHCARE GROUP LP
    Inventors: Jenny Zeroni, Cory David Sills, Victoria Schuman, Marc D. Knutson, Bryan Matthew Ladd, Benjamin Robert Fruland, Lucas Schneider, Alexander J. Rice