Patents by Inventor Benjamin A. Lanza

Benjamin A. Lanza 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 unplugging a vessel discharge port
    Patent number: 4450986
    Abstract: The unplugging apparatus includes an annular member having a refractory ring on its inner surface. A housing is supported by the member and connected to a radially disposed conduit. A tube in the housing is guided for upward movement by the housing. A nozzle may be provided on the upper end of the tube. The tube has a reaction surface within the housing and is adapted to be projected upwardly by gas introduced into the housing from the conduit. The tube has a passage so that the gas from the housing may be discharged through the nozzle.
    Type: Grant
    Filed: July 9, 1982
    Date of Patent: May 29, 1984
    Inventors: Michael F. Harasym, Benjamin A. Lanza