Patents by Inventor Rainer Patron

Rainer Patron 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).

  • Gas stopper brick for metallurgical vessels with a sealing body that is subject to screw pressure springs
    Patent number: 6797230
    Abstract: This invention relates to a gas bubbler stone for metallurgical vessels having a porous, gas-permeable molded stone (1) made of a refractory material, a partial sheathing enclosing it in a gastight manner, the sheathing being made of a metal casing (2), which extends around the lateral peripheral surface of the molded stone, and a sheet metal cover (3) which covers the outer end face of the molded stone, and a gas delivery pipe (6) which extends from the under side of the sheet metal cover and is joined to the sheet metal cover in the area of a gas inlet opening (7) formed in the sheet metal cover, and which has a narrowed cross section (9) at a distance from the gas inlet opening of the sheet metal cover, and a closing body (10), which is movable at least in the axial direction of the gas delivery pipe, is situated in the pipe section between the sheet metal cover (3) and the narrowed cross section (9), its cross section being smaller than the inside diameter of the gas delivery pipe (6) and greater than the
    Type: Grant
    Filed: July 11, 2002
    Date of Patent: September 28, 2004
    Inventors: Juergen Kuhlmann, Eberhard Heimann, Klaus Ruwier, Rainer Patron