Patents by Inventor Stephan Smith

Stephan Smith 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).

  • Unit dose dispensing device
    Patent number: 6186141
    Abstract: A device for dispensing a unit dose of substance comprises a nozzle assembly (2) including a container (24) housing a unit dose of the substance, and an outer body (4) to which the nozzle assembly (2) is releasably attached. The body (4) includes a system actuable to effect discharge of the substance from the nozzle assembly (2) and actuating means operably by a user to effect discharge. Preferably the discharge system comprises a spring-loaded air piston (68) actuable to inject air into the container (24) to cause discharge of the substance. In one embodiment a driving spring for the air piston is loaded with spring energy by the action of installing the nozzle assembly on the body, the driving spring thereafter being held in a cocked state until operating of the actuating means by the user to effect release of the spring energy to cause discharge.
    Type: Grant
    Filed: January 29, 1999
    Date of Patent: February 13, 2001
    Assignee: Glaxo Wellcome Inc.
    Inventors: Gregory Charles Pike, Ingo Helmuth Riedel, Stephan Smith