Patents by Inventor Carlo Papera

Carlo Papera 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: 6293426
    Abstract: Method and apparatus for off-loading incoherent material from a container towards a user unit positioned inferiorly to the container itself, wherein the phases are implemented of connecting an outlet of the container to a superior extremity of a conduit connected with its other extremity to the user unit, to the outlet being associated a valve element and to the conduit being associated a plurality of shut-off elements mutually distanced along the conduit itself and each able to vary the amplitude of the passage existing inside the conduit itself between a condition of closure of the passage and a condition of maximum opening; placing all shut-off elements in the closure condition; causing the opening of the valve element; and of causing the progressive disposition of the shut-off elements, starting from the highest one and proceeding downward, from the closure condition to the maximum opening condition.
    Type: Grant
    Filed: December 9, 1999
    Date of Patent: September 25, 2001
    Assignee: Zanchetta & C. S.r.l.
    Inventor: Carlo Papera
  • Publication number: 20010017252
    Abstract: In a method and apparatus for unloading fragile products from a storage container, comprising a step of transferring the products by gravity from a container to an unloading station below along a given, straight unloading path, a product interception device, with a given linear movement along the unloading path, intercepts the products and accompanies them at a first given speed to the unloading station, until a continuous column of products is formed, substantially extending between the container and the unloading station; then, during product unloading, the column is gradually shortened by raising the unloading station at a second given speed.
    Type: Application
    Filed: February 21, 2001
    Publication date: August 30, 2001
    Applicant: Zanchetta & C. S.r.l.
    Inventor: Carlo Papera