Patents by Inventor John P. Knowles

John P. Knowles 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: 4563032
    Abstract: A pulling head adapted to removably engage the end fitting of a conduit to facilitate the latter being pulled with a substantial tensional force. The head includes an engaging ring at one end thereof which is removably operable to register about and firmly engage the cable end fitting. A wire line extending from the pulling head nose end is attachable to a winch or other mechanism capable of applying the necessary pulling force thereto.
    Type: Grant
    Filed: February 13, 1984
    Date of Patent: January 7, 1986
    Assignee: Texaco Limited
    Inventor: John P. Knowles
  • Patent number: 4519726
    Abstract: Riser for an offshore marine platform which includes facilities to receive, treat, and/or store hydrocarbon fluid from a plurality of dispersed submerged wells. The riser includes means to accommodate a plurality of conduits between the platform deck and the floor of the body of water. As a rigid, or non-rigid conduit is pulled downwardly through the riser, it engages a deflecting shoe. The latter deflects the pulled conduit into a direction away from the platform and along the ocean floor, whereby it can readily engage a pipeline, or attach to one of the dispersed wells.
    Type: Grant
    Filed: December 5, 1983
    Date of Patent: May 28, 1985
    Assignee: Texaco Limited
    Inventors: John P. Knowles, Steven A. Wheeler, Stewart D. Mitchell