Patents by Inventor David Butterfield

David Butterfield 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).

  • Exoskeleton device with expandable section for scoring
    Patent number: 12161826
    Abstract: An exoskeleton device is capable of being positioned over an expandable instrument, such as a balloon catheter. The exoskeleton device may include an expandable section that receives an expander of the expandable instrument. Expansion of the expander may cause the expandable section of the exoskeleton device to expand and force the expandable section of the exoskeleton device against a surface to be treated. The expandable section may be capable of scoring the surface against which it is forced.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: December 10, 2024
    Assignee: Transit Scientific, LLC
    Inventors: Shawn P. Fojtik, Gregory Gabay, David Butterfield
  • EXOSKELETON DEVICE WITH EXPANDABLE SECTION FOR SCORING
    Publication number: 20220080164
    Abstract: An exoskeleton device is capable of being positioned over an expandable instrument, such as a balloon catheter. The exoskeleton device may include an expandable section that receives an expander of the expandable instrument. Expansion of the expander may cause the expandable section of the exoskeleton device to expand and force the expandable section of the exoskeleton device against a surface to be treated. The expandable section may be capable of scoring the surface against which it is forced.
    Type: Application
    Filed: November 23, 2021
    Publication date: March 17, 2022
    Inventors: Shawn P. Fojtik, Gregory Gabay, David Butterfield
  • Exoskeleton device with expandable section for scoring
    Patent number: 11179549
    Abstract: An exoskeleton device is capable of being positioned over an expandable instrument, such as a balloon catheter. The exoskeleton device may include an expandable section that receives an expander of the expandable instrument. Expansion of the expander may cause the expandable section of the exoskeleton device to expand and force the expandable section of the exoskeleton device against a surface to be treated. The expandable section may be capable of scoring the surface against which it is forced.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: November 23, 2021
    Assignee: Transit Scientific, LLC
    Inventors: Shawn P. Fojtik, Gregory Gabay, David Butterfield
  • EXOSKELETON DEVICE WITH EXPANDABLE SECTION FOR SCORING
    Publication number: 20190126011
    Abstract: An exoskeleton device is capable of being positioned over an expandable instrument, such as a balloon catheter. The exoskeleton device may include an expandable section that receives an expander of the expandable instrument. Expansion of the expander may cause the expandable section of the exoskeleton device to expand and force the expandable section of the exoskeleton device against a surface to be treated. The expandable section may be capable of scoring the surface against which it is forced.
    Type: Application
    Filed: October 29, 2018
    Publication date: May 2, 2019
    Inventors: Shawn P. Fojtik, Gregory Gabay, David Butterfield
  • MUFFLER FOR INTERNAL COMBUSTION ENGINE
    Publication number: 20050133301
    Abstract: A performance muffler suitable for installation into an exhaust system for an internal combustion engine wherein either end of the muffler may be designated as the entrance end for the receipt of exhaust gases into the muffler without materially altering the functionality of the muffler. A method is disclosed.
    Type: Application
    Filed: December 17, 2003
    Publication date: June 23, 2005
    Applicant: Jones Exhaust Systems, Inc.
    Inventors: David Butterfield, Jerry Myers
  • Expandable exoskeleton for a balloon catheter
    Patent number: D855800
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: August 6, 2019
    Assignee: Transit Scientific, LLC
    Inventors: Gregory Gabay, David Butterfield, Shawn P. Fojtik, David Blossom
  • Elongated medical device with flexibility enhancing features
    Patent number: D894384
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: August 25, 2020
    Assignee: Transit Scientific, LLC
    Inventors: Gregory Gabay, David Butterfield, David Blossom, Shawn P. Fojtik