Patents by Inventor David Gerback

David Gerback 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).

  • Internal coil spot welding device
    Patent number: 5705782
    Abstract: A spot welding device to secure the inner end of a coil of steel to itself to prevent uncoiling. The welding device is carried on an articulated support arm assembly that allows for positioning the welder within the coil on a gimble axis mount for proper access to the entire inner coil surface. Welding tips are selectively held against the welding surface by an extensible guide and engagement assembly.
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: January 6, 1998
    Inventor: David Gerback