Patents by Inventor John R. Sovinsky

John R. Sovinsky 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).

  • Lead-free alloy containing tin, zinc, indium and bismuth
    Patent number: 5455004
    Abstract: A lead-free alloy suitable for soldering comprising from about 82% to about 90% tin, from about 4.5% to about 6% zinc, from about 3.5% to about 6% indium and from about 1% to about 5% bismuth. The melting temperature of the alloy is preferably below 190.degree. C. and the alloy preferably has a pasty range of less than 10.degree. C.
    Type: Grant
    Filed: June 22, 1994
    Date of Patent: October 3, 1995
    Assignee: The Indium Corporation of America
    Inventors: James A. Slattery, John R. Sovinsky
  • Fusible alloy containing bismuth, indium, lead, tin and gallium
    Patent number: 5248476
    Abstract: An alloy composition comprising effective amounts of bismuth, indium, lead, tin, and gallium, which is especially suited for lens blocking.
    Type: Grant
    Filed: April 30, 1992
    Date of Patent: September 28, 1993
    Assignee: The Indium Corporation of America
    Inventors: James A. Slattery, Charles E. T. White, George E. Kraeger, John R. Sovinsky