Patents by Inventor Francesco Pianegonda

Francesco Pianegonda 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).

  • Appliance for the decantation and recovery of powdery products in pneumatic conveyors
    Patent number: 5156500
    Abstract: Appliance to decant and recover powdery products in pneumatic conveyors, where air is tangentially driven into an annular passage inside a body, where it is subject to an expansion of the product and which it leaves through a conduit and an outlet pipe. The separated product is collected in a conical bottom part of the body for its recovery.
    Type: Grant
    Filed: October 10, 1990
    Date of Patent: October 20, 1992
    Assignee: Skyway Development Limited
    Inventor: Francesco Pianegonda