Patents by Inventor Douglas E. Lamb

Douglas E. Lamb 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).

  • Flange bolt hole alignment pin
    Patent number: 5590474
    Abstract: A bolt hole alignment pin for assisting in aligning mating flanges in piping systems comprises a head, a first portion for slip fit with the bolt holes in the flanges, a second portion for centering a gasket between the mating flanges, and a third portion offset from the second portion for providing a cam action when the head is turned to bring the flanges into exact alignment.
    Type: Grant
    Filed: August 8, 1995
    Date of Patent: January 7, 1997
    Assignee: Newport News Shipbuilding and Dry Dock Company
    Inventor: Douglas E. Lamb