Patents by Inventor Peter Princevalle

Peter Princevalle 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).

  • Heat absorbing and radiating device for electric stoves
    Patent number: 4280044
    Abstract: A heat absorbing and reflecting disc-shaped device having a flat top and a convex bottom and an irregular radially inward-extending cut-out and a plurality of randomly spaced throughbores, said disc being removably mounted on an electric range between the electric coil and reflector pan and resting on the latter. The device is preferably formed from a predetermined mixture of sand clay, water and sodium silicate and may be glazed, if desired. An irregular generally diamond-shaped central opening, preferably, is provided.
    Type: Grant
    Filed: September 28, 1979
    Date of Patent: July 21, 1981
    Inventor: Peter Princevalle
  • Coffee filter picker
    Patent number: 4237753
    Abstract: This invention relates to a novel device for separating an individual filter primarily used in coffee-makers from a compressed package containing a plurality of such filters.
    Type: Grant
    Filed: March 9, 1979
    Date of Patent: December 9, 1980
    Inventor: Peter Princevalle