Patents by Inventor Kevan E. Chippendale

Kevan E. Chippendale 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).

  • Inhalation devices with a reduced risk of blockage
    Patent number: 5490497
    Abstract: An elastomeric cap for use in an aerosol inhalation device is disclosed. The cap prevents blockage and the buildup of accretions of medicament on the valve stem of the inhalation device and shields the valve stem from the breath of a user of the inhalation device.
    Type: Grant
    Filed: May 18, 1994
    Date of Patent: February 13, 1996
    Assignee: Fisons plc
    Inventors: Kevan E. Chippendale, John S. Corbett, John L. Hart, Geraldine Walkley
  • Inhalation devices with a reduced risk of blockage
    Patent number: 5349944
    Abstract: An aerosol inhalation device, having a mouthpiece (12) and a canister (15) of pressurized hygroscopic medicament, the canister (15) being fitted at one end with a dispensing metering valve; wherein a protective barrier (19) is provided between the dispensing metering valve and the mouthpiece (12) so as to eliminate or substantially reduce blockage of the device.
    Type: Grant
    Filed: October 7, 1992
    Date of Patent: September 27, 1994
    Assignee: Fisons plc
    Inventors: Kevan E. Chippendale, John S. Corbett, John L. Hart, Geraldine Walkley