Patents by Inventor Carlo Longaretti

Carlo Longaretti 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).

  • Furnace grate
    Patent number: 4460333
    Abstract: A cooler grate for hot cement clinker is provided with a plurality of rows of air holes and the bottom face of the grate is formed with a plurality of fins which undulate between the successive air holes to impart strength to the grate and turbulence to the air directed upwardly through the grate so as to cool the grate to a temperature substantially below the hot clinker on the grate.
    Type: Grant
    Filed: August 26, 1982
    Date of Patent: July 17, 1984
    Inventor: Carlo Longaretti