Patents by Inventor John T. Herrera

John T. Herrera 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).

  • Welding torch tip and method
    Patent number: 4013227
    Abstract: A welding torch tip for use in welding ferrous metals with Mapp gas, and method for same. The tip is elongated and has threads in one end thereof and a gas outlet in the other end thereof and it has a gas mixing chamber centrally located in the tip and intermediate the screw threads and the outlet. The method is the steps of introducing the gas into the tip and mixing the gas in a chamber in the tip and then directing the gas through a passageway and out of the tip.
    Type: Grant
    Filed: February 17, 1976
    Date of Patent: March 22, 1977
    Inventor: John T. Herrera