Patents by Inventor David A. Edgecombe

David A. Edgecombe 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).

  • Tubing with formed ends for heat exchangers
    Patent number: 4203273
    Abstract: A grouping of straight tubes, bundled and packed for shipment, having the tube ends on one end of the bundle deformed for locating and supporting the tubes in a tube sheet, with the deformations located and produced in a manner resulting in a compact shipping package and improvements in handling at the job site and place of manufacture.
    Type: Grant
    Filed: March 17, 1978
    Date of Patent: May 20, 1980
    Assignee: The Babcock & Wilcox Company
    Inventor: David A. Edgecombe