Patents by Inventor Clive P. A. Catterall

Clive P. A. Catterall 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: 5617971
    Abstract: A device for dispensing single doses of powdered medicament has a housing for holding a container which has a number of sealed apertures containing individual encapsulating doses of medicament. The container can move relative to the housing to allow each aperture in succession to be brought into registry with an airway which communicates with a mouthpiece. The device includes a piercing member, such as a pin, which can be inserted into a selected aperture to break its respective seals. The configuration and movement of the pin are such that this action expels substantially no powder from the aperture.
    Type: Grant
    Filed: May 17, 1995
    Date of Patent: April 8, 1997
    Assignee: Lipha SA
    Inventors: Stephen W. Eason, Clive P. A. Catterall, Roger W. Clarke
  • Patent number: 5560518
    Abstract: Delivery apparatus for a flowable material such as toothpaste wherein a two part container is employed, thereby to form a dispenser of which one part is replaceable to renew the contents. A preferred embodiment is a sachet (450) progressively rolled up with a roll-up spring (Tensator) within a housing (418, 426) which is openable to enable the sachet to be replaced.
    Type: Grant
    Filed: August 10, 1994
    Date of Patent: October 1, 1996
    Assignee: Cambridge Consultants Limited
    Inventors: Clive P. A. Catterall, Ian M. D. Gaylor, William G. Dando