Patents by Inventor Webster T. Charlton

Webster T. Charlton 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: 4324315
    Abstract: An apparatus and method for lubricating cable. A split ring carrying a plurality of nozzles which ring is adapted for releasable attachment to the entry end of an electric conduit and a centrally disposed lubricating device which travels with the leading end of a cable bundle are combined or used separately to lubricate cable being pulled through conduit.
    Type: Grant
    Filed: February 19, 1981
    Date of Patent: April 13, 1982
    Assignee: Stone and Webster Eng. Cor.
    Inventor: Webster T. Charlton
  • Patent number: 4296837
    Abstract: An apparatus and method for lubricating cable. A split ring carrying a plurality of nozzles which ring is adapted for releasible attachment to the entry end of an electric conduit and a centrally disposed lubricating device which travels with the leading end of a cable bundle are combined or used separately to lubricate cable being pulled through conduit.
    Type: Grant
    Filed: May 15, 1979
    Date of Patent: October 27, 1981
    Assignee: Stone & Webster Engineering Corp.
    Inventor: Webster T. Charlton