Patents by Inventor Peter J. Rollin

Peter J. Rollin 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: 4281035
    Abstract: A composition is provided for marking hot metal objects, which may be moving e.g. steel bar emerging from a rolling mill. The composition is in powder form and comprises a major weight proportion of refractory pigment and a fusible adhesion agent therefor. For marking, the composition may be applied in a carrier gas, optionally through a stencil, to the surface of the object and allowed to adhere there. Clear, durable markings are obtainable.
    Type: Grant
    Filed: February 22, 1979
    Date of Patent: July 28, 1981
    Assignee: Foseco International Limited
    Inventors: Peter F. Hawthorne, Peter J. Rollin