Patents by Inventor Daniel del Valle P.

Daniel del Valle P. 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).

  • Apparatus for drying resinous material
    Patent number: 4831748
    Abstract: An apparatus for drying resinous material includes a reaction vessel and a pair of counter-rotating hollow shafts disposed in the vessel. Each of the shafts supports a plurality of blades for stirring the resinous material to be dried in the vessel. A flow of hot gas is continuously supplied through hollow shafts into the blades and released into a reaction vessel through a plurality of apertures in the blades when the blades are in contact with the resinous material.
    Type: Grant
    Filed: September 10, 1987
    Date of Patent: May 23, 1989
    Assignee: Daniel Del Valle P.
    Inventors: Daniel del Valle P., David del Valle Macleod, Deborah del Valle Macleod
  • Reactor apparatus
    Patent number: 4750556
    Abstract: A reactor apparatus is provided with an outer jacket surrounding the reaction vessel. The jacket is formed by a plurality of baffles having triangular cross-section. At least some of the baffles are provided with adjustable deflectors. Heat exchanging fluid is admitted into the space between the jacket and the vessel outer wall. The triangular cross-section of the baffles and adjustable deflectors allow optimum regulation of reaction conditions, for example reaction temperature and in effect increase reactor productivity.
    Type: Grant
    Filed: October 29, 1986
    Date of Patent: June 14, 1988
    Assignee: Daniel del Valle P.
    Inventors: Daniel del Valle P., David del Valle Macleod, Deborah del Valle Macleod