Patents by Inventor Alphonse Pollet

Alphonse Pollet 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).

  • Device for providing a temporary fluidic coupling
    Patent number: 5555807
    Abstract: A device for temporary fluidic coupling between a source of pressurized fluid and a user member includes a supplied end-fitting and a supply end-fitting, at least temporarily placed face to face in a given longitudinal direction and connected respectively to the user member and to the source of pressurized fluid, wherein the supply end-fitting includes a retractable seal in the form of a longitudinal tubular piston which, when it is urged by the pressurized fluid, passes from a retracted rest position to an active position in which it is applied against a transverse annular face of the supplied end-fitting to connect the respective pipes in a sealed manner, and which resumes its retracted rest position when it is no longer urged by the pressurized fluid.
    Type: Grant
    Filed: August 22, 1994
    Date of Patent: September 17, 1996
    Assignees: Heidelberger Druckmaschinen AG, Heidelberg Harns S.A.
    Inventor: Alphonse Pollet