Patents by Inventor J. Charles Headrick

J. Charles Headrick 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: 4082212
    Abstract: Metallic tubing is manufactured from galvanized steel strip by forming the strip into tubular shape, welding the edges together and replacing the zinc lost in welding by atomization metallizing the weld zone first with an aluminum alloy containing from more than about 0.30 to about 0.95 weight percent iron and then with zinc.
    Type: Grant
    Filed: March 15, 1976
    Date of Patent: April 4, 1978
    Assignee: Southwire Company
    Inventors: J. Charles Headrick, R. Emory Starnes, Robert C. Peel