Patents by Inventor Philip H. Manning

Philip H. Manning 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).

  • Weld backup mechanism for internal pipe welding apparatus
    Patent number: 4556162
    Abstract: A weld backup mechanism includes an arcuate backup ring segment spring mounted to a support plate for rotational displacement. A plurality of such mechanisms are fixed to clamping members of an internal line-up clamp for radial expansion and retraction therewith.
    Type: Grant
    Filed: April 17, 1984
    Date of Patent: December 3, 1985
    Assignee: The Babcock & Wilcox Company
    Inventors: Richard B. Gwin, Philip H. Manning