Patents by Inventor Philip M. Dunn

Philip M. Dunn 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).

  • Negative pressure wound closure device
    Patent number: 12239509
    Abstract: Examples of a negative pressure wound closure system and methods for using such a system are presented. Certain embodiments facilitate closure of the wound by preferentially contracting to provide for movement of the tissue. Certain embodiments can utilize tissue securing portions that aid in securing the system within a wound.
    Type: Grant
    Filed: April 3, 2023
    Date of Patent: March 4, 2025
    Assignees: Smith & Nephew, Inc., University of Massachusetts
    Inventors: Philip David Canner, Raymond M. Dunn, John Alan Greenwood, Victoria Jody Hammond, Edward Yerbury Hartwell, John Kenneth Hicks, Elizabeth Mary Huddleston, Andrew Kelly, Andrew Linton, Marcus Damian Phillips, Mark Richardson, Carl Saxby, Tim Stern
  • Refillable device with counting means
    Patent number: 7080642
    Abstract: A refillable medical device comprising a base unit (4) adapted to be engaged with a refill unit (2), the device comprising means for counting the number of different refill units which are engaged with the base unit (4). The device may be in the form of a dry powder or pressurised aerosol inhaler, needleless injector, intravenous drip system etc. The device may comprise means to disable the device after a predetermined number of refill units have been used with the base.
    Type: Grant
    Filed: December 19, 2000
    Date of Patent: July 25, 2006
    Assignee: 3M Innovative Properties Company
    Inventors: Peter D. Hodson, Philip M. Dunn
  • Refillable device with counting means
    Publication number: 20030205227
    Abstract: A refillable medical device comprising a base unit (4) adapted to be engaged with a refill unit (2), the device comprising means for counting the number of different refill units which are engaged with the base unit (4). The device may be in the form of a dry powder or pressurised aerosol inhaler, needleless injector, intravenous drip system etc. The device may comprise means to disable the device after a predetermined number of refill units have been used with the base.
    Type: Application
    Filed: January 3, 2003
    Publication date: November 6, 2003
    Inventors: Peter D. Hodson, Philip M. Dunn