Patents by Inventor John E. Maingot

John E. Maingot 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).

  • Releasable rigid pile connector apparatus
    Patent number: 4074912
    Abstract: A connector apparatus particularly useful in pile driving in water to enable a pile string to be released or disconnected in the vicinity of the mudline after the pile has been driven to its final depth, the connector including an upper box secured to one portion of a pin apparatus attached by a releasable mechanism to another lower portion of the pin apparatus, release of the mechanism by a suitable tool operated from a remote location enabling the drive pile string above the lower portion of the pin to be withdrawn through the water to the surface.
    Type: Grant
    Filed: September 20, 1976
    Date of Patent: February 21, 1978
    Assignee: Vetco Offshore Industries, Inc.
    Inventors: Bernard H. Van Bilderbeek, John E. Maingot, James M. Walker