Patents by Inventor John R. Cirillo

John R. Cirillo 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).

  • Temperature regulating, pressure relief flow valves employing shaped memory alloys
    Patent number: 4570851
    Abstract: The invention relates to a temperature regulating/pressure relief valve employing a shaped memory alloy wire positioned under tension within the housing of the valve. The wire contracts upon an increase in temperature in the fluid passing through the valve thereby initially either closing or opening the valve, and subsequently loading a spring which maintains the valve closed or opened under a predetermined pressure.
    Type: Grant
    Filed: May 7, 1984
    Date of Patent: February 18, 1986
    Inventor: John R. Cirillo
  • Portable playpen
    Patent number: 4376318
    Abstract: A portable, foldable playpen having rectangular upper and lower frames to which a flexible enclosure is affixed and which folds along its end members when released by folding vertical members to form a compact arrangement.
    Type: Grant
    Filed: February 19, 1980
    Date of Patent: March 15, 1983
    Inventor: John R. Cirillo