Patents by Inventor Kenneth Frederick Hely

Kenneth Frederick Hely 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).

  • Valve for use in a gas delivery system
    Patent number: 6189532
    Abstract: A safety valve for use in closed systems wherein there is a flow generator delivering oxygen or some other type of breathing gas to a patient. The safety valve of the present invention vents to the open atmosphere in the event that the breathing gas generated by the flow generator diminishes or terminates.
    Type: Grant
    Filed: April 26, 1999
    Date of Patent: February 20, 2001
    Assignee: ResMed Limited
    Inventors: Kenneth Frederick Hely, Perry David Lithgow
  • Facial masks for assisted respiration or CPAP
    Patent number: 6123071
    Abstract: A combination mouth and nasal mask (40) for assisted respiration or CPAP is disclosed.The combination mask (40) has a frame (42) to the rear side of which is mounted a separate nasal cushion (44) and mouth cushion (46). Both the nasal cushion (44) and the mouth cushion (46) separately form a rolled edge seal around the patient's face in the vicinity of the nose and in the vicinity of the lips. Inlet air is communicated from within the housing (48) to the mouth chamber, circumscribed by the mouth cushion (46) by means of one or more interconnecting tubes (62).The proportion of air communicated to the mouth chamber (48) is controlled by the sizing and number of the tube(s), thus providing for free flow of air, restricted flow of air and pressure equalization, or zero flow of air.A mouth mask (10) for assisted respiration or CPAP also is disclosed.
    Type: Grant
    Filed: September 26, 1996
    Date of Patent: September 26, 2000
    Assignee: ResMed Limited
    Inventors: Michael Berthon-Jones, Michel Calluaud, Christopher Edward Lynch, Kenneth Frederick Hely
  • Mask and harness assembly
    Patent number: 6044844
    Abstract: A mask and harness assembly (10). The assembly (10) includes a mask (12) a harness (14) including at least one strap (16) connected to the mask (12) and at least one fluid delivery tube (18) connected to, and in fluid communication with, the mask (12). The strap(s) (16) and the tube(s) (18) being adapted to locate the mask (12) at a predetermined location on the head of the wearer.
    Type: Grant
    Filed: December 2, 1997
    Date of Patent: April 4, 2000
    Assignee: ResMed Limited
    Inventors: Philip Rodney Kwok, Kenneth Frederick Hely, Jakob Walter Bruderer, Colin Edward Sullivan
  • Valve for use in a gas delivery system
    Patent number: 5896857
    Abstract: A safety valve for use in closed systems wherein there is a flow generator delivering oxygen or some other type of breathing gas to a patient. The safety valve of the present invention vents to the open atmosphere in the event that the breathing gas generated by the flow generator diminishes or terminates.
    Type: Grant
    Filed: December 20, 1996
    Date of Patent: April 27, 1999
    Assignee: ResMed Limited
    Inventors: Kenneth Frederick Hely, Perry David Lithgow