Patents by Inventor John B. Mallay

John B. Mallay 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).

  • Patent number: 4775466
    Abstract: A control for draining water accumulated in a fuel tank, without loss of fuel or ingestion of water into an associate fuel system, is responsive to a flotation device weighted to float at the water-fuel interface. The flotation device is connected by a lever to turn a rotor in a pressurized chamber thereby selectively connecting pressure or exhaust to respective actuation control ports for a drain valve and fuel valve.
    Type: Grant
    Filed: October 30, 1986
    Date of Patent: October 4, 1988
    Assignee: Muesco, Inc.
    Inventors: Santiago Abad, John B. Mallay
  • Patent number: 4720251
    Abstract: An extrusion die assembly for a pelletizing apparatus including a die body, a die insert carried by the die body, the die insert having a die plate with a die plate face and a die plate back surface, there being a plurality of extrusion ports through the die plate face extending from the face to the back surface, the die insert further having a plurality of extrusion port formations such as tubes projecting from the die plate back surface and defining a plurality of extrusion passageways, each of said extrusion ports being in register with a respective one of said passageways, the tubes and the die plate comprising a monolithic structure formed from a unitary piece of material, and a heating jacket formed at least partially by the die body, at least a portion of the tubes being received in the heating jacket.
    Type: Grant
    Filed: October 30, 1986
    Date of Patent: January 19, 1988
    Assignee: Muesco Mallay Houston Inc.
    Inventors: John B. Mallay, A. J. Johnson
  • Patent number: 4167386
    Abstract: An extrusion die plate and method of making same, the die plate having a die plate body with a die plate face, and a plurality of extrusion passageways in the die plate body terminating generally at the die plate face.
    Type: Grant
    Filed: September 26, 1977
    Date of Patent: September 11, 1979
    Assignee: Muesco-Mallay Houston, Inc.
    Inventor: John B. Mallay