Patents by Inventor E. John Radu

E. John Radu 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: 4345855
    Abstract: A self propelled reel pipe laying ship having forward, midship and stern sections, and having a reel mounted at the midship section thereof about a substantially horizontal axis of rotation extending transversely of the ship, such that the load of the reel is distributed downwardly and outwardly substantially in the direction of the longitudinal axis of the ship, the ship further including pipe conditioning means located at the stern section for movement about a pivot axis extending substantially parallel to the rotational axis of the reel and (a) radius control means for imparting a substantially uniform curve to the pipe after it is unspooled from the reel, (b) straightening means for imparting a reverse bending force to the pipe opposite the curvature imparted to the pipe by the reel, and (c) means for guiding the pipe into the water after it emerges from the straightening means; and means for pivoting the pipe conditioning means about its pivot axis to adjust the pipe entry angle at which pipe enters the
    Type: Grant
    Filed: May 18, 1981
    Date of Patent: August 24, 1982
    Assignee: Santa Fe International Corporation
    Inventors: Stanley T. Uyeda, E. John Radu, William J. Talbot, Jr., Norman Feldman
  • Patent number: 4340322
    Abstract: A self propelled reel pipelaying ship, having forward, midship, and stern sections, and baseline, tank top, and main deck levels, comprising substantially longitudinal outer hull members and port and starboard side inner longitudinal bulkheads, each extending substantially the length of the ship, the hull members and bulkheads extending from the baseline to the main deck level in the forward and stern sections and, in the midship section, substantially above the main deck level, substantially horizontal transverse midship structural members extending between the top portions of the raised midship sections of the outer hull members and inner longitudinal bulkheads, intermediate substantially horizontal transverse members extending between the outer hull members and inner longitudinal bulkheads and vertically spaced between the tank top and midship structural members wherein the midship portions of the outer hull members and inner longitudinal bulkheads, the transverse midship structural members and the interme
    Type: Grant
    Filed: April 28, 1981
    Date of Patent: July 20, 1982
    Assignee: Santa Fe International Corporation
    Inventors: Charles N. Springett, Dan Abramovich, Stanley T. Uyeda, E. John Radu
  • Patent number: 4269540
    Abstract: A self propelled reel pipe laying ship having forward, midship and stern sections, and having a reel mounted at the midship and thereof about a substantially horizontal axis of rotation extending transversely of the ship, such that the load of the reel is distributed downwardly and outwardly substantially in the direction of the longitudinal axis of the ship, the ship further including pipe conditioning means located at the stern section for movement about a pivot axis extending substantially parallel to the rotational axis of the reel and (a) radius control means for imparting a substantially uniform curve to the pipe after it is unspooled from the reel, (b) straightening means for imparting a reverse bending force to the pipe opposite the curvature imparted to the pipe by the reel, and (c) means for guiding the pipe into the water after it emerges from the straightening means; and means for pivoting the pipe conditioning means about its pivot axis to adjust the pipe entry angle at which pipe enters the wate
    Type: Grant
    Filed: May 2, 1979
    Date of Patent: May 26, 1981
    Assignee: Santa Fe International Corporation
    Inventors: Stanley T. Uyeda, E. John Radu, William J. Talbot, Jr., Norman Feldman
  • Patent number: 4230421
    Abstract: A self propelled reel pipelaying ship, having forward, midship, and stern sections, and baseline, tank top, and main deck levels, comprising substantially longitudinal outer hull members and port and starboard side inner longitudinal bulkheads, each extending substantially the length of the ship, the hull members and bulkheads extending from the baseline to the main deck level in the forward and stern sections and, in the midship section, substantially above the main deck level, substantially horizontal transverse midship structural members extending between the top portions of the raised midship sections of the outer hull members and inner longitudinal bulkheads, intermediate substantially horizontal transverse members extending between the outer hull members and inner longitudinal bulkheads and vertically spaced between the tank top and midship structural members wherein the midship portions of the outer hull members and inner longitudinal bulkheads, the transverse midship structural members and the interme
    Type: Grant
    Filed: May 5, 1978
    Date of Patent: October 28, 1980
    Assignee: Santa Fe International Corporation
    Inventors: Charles N. Springett, Dan Abramovich, Stanley T. Uyeda, E. John Radu