Patents by Inventor David G. Portsmouth

David G. Portsmouth 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).

  • Patent number: 7677605
    Abstract: A hose-clamp system for securing a hose to an air connector that engages an inflation port of a garment for use in pump therapy for enhancing venous and arterial blood flow of a human foot. The system includes a fitting having an internal stem and an external stem, the internal stem configured to engage an inside diameter of an end of the hose, a cradle configured to received the internal stem and the end of the hose and having opposing locking protrusions, and a seal positioned from the locking protrusions at substantially the length of the internal stem and configured to engage the external stem.
    Type: Grant
    Filed: November 17, 2008
    Date of Patent: March 16, 2010
    Assignee: Novamedix Distribution Limited
    Inventors: Gordon J. Cook, Graeme Follett, David G. Portsmouth, Ben Davies
  • Publication number: 20090121480
    Abstract: Disclosed herein are exemplary embodiments of an impulse therapy garment for use in pump therapy for enhancing venous and arterial blood flow. The garment may be advantageously fitted to a human foot, and may include a rotationally positionable heel-strap, an air inlet connector, separate dorsum straps, or other features. For example, other garments may include a washer having a center hole locatable around the stem and configured to be forcibly retained against the outer surface of the fabric by snap-fit using annular stem protrusions extending from an external surface of the stem. In further embodiments, a garment may include a bladder retention fastener configured to retain an end of the bladder to the fabric to allow substantially differential movement between the fabric and non-retained portions of the bladder during inflation and deflation of the bladder.
    Type: Application
    Filed: November 17, 2008
    Publication date: May 14, 2009
    Applicant: NOVAMEDIX DISTRIBUTION LIMITED
    Inventors: Gordon J. Cook, Graeme Follett, David G. Portsmouth, Ben Davies
  • Patent number: 7452340
    Abstract: Disclosed herein are exemplary embodiments of an impulse therapy garment for use in pump therapy for enhancing venous and arterial blood flow. The garment may be advantageously fitted to a human foot, and may include a rotationally positionable heel-strap, an air inlet connector, separate dorsum straps, or other features. For example, other garments may include a washer having a center hole locatable around the stem and configured to be forcibly retained against the outer surface of the fabric by snap-fit using annular stem protrusions extending from an external surface of the stem. In further embodiments, a garment may include a bladder retention fastener configured to retain an end of the bladder to the fabric to allow substantially differential movement between the fabric and non-retained portions of the bladder during inflation and deflation of the bladder.
    Type: Grant
    Filed: April 8, 2004
    Date of Patent: November 18, 2008
    Assignee: Novamedix Distribution Limited
    Inventors: Gordon J. Cook, Graeme Follett, David G. Portsmouth, Ben Davies