Patents by Inventor Joseph B. Tyra

Joseph B. Tyra 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).

  • Intermediate-temperature diffusion welding
    Patent number: 5361971
    Abstract: Two pieces (42, 46) are Joined together by providing a gold bonding layer (44) overlying a nickel layer (40) on a first piece (42) to be bonded and providing a gold bonding layer (50) on a second piece (46) to be bonded. The gold layer (50) on the second piece (46) may optionally overlie a nickel layer (48) on the second piece (46). The gold layers (44, 50) are pressed together in a facing relation at a temperature of from about 125 C. to about 250 C. for a time sufficient to permit the layers (40, 44, 50, 46) to interdiffuse.
    Type: Grant
    Filed: January 19, 1993
    Date of Patent: November 8, 1994
    Assignee: Hughes Aircraft Company
    Inventors: Ronald L. Williams, Joseph B. Tyra