Patents by Inventor Helmut Piper

Helmut Piper 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: 4139360
    Abstract: A method of inclusion melting of glass with radioactive components and a furnace for carrying out the method. Radioactive components are fed in the form of an aqueous suspension or of a slurry into a furnace from above in combination with a mixture for the melt forming of glass, or the mixture for the melt forming being formed from the radioactive components. The molten mass of glass and radioactive components is heated by passing electrical current directly therethrough, wherein the mass flow takes place solely vertically from top to bottom.
    Type: Grant
    Filed: July 11, 1977
    Date of Patent: February 13, 1979
    Assignee: Sorg GmbH & Co. Kg
    Inventor: Helmut Piper