Patents by Inventor John D. Wactor

John D. Wactor 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: 5984012
    Abstract: An emergency recovery system designed for use in a subsea environment is disclosed. The emergency recovery system has a casing that is open at each end with a shackle connected to one end of the casing with the opposite end of the shackle designed for connection to appropriate points on the main stack and lower marine riser package in any orientation. A flexible sling with a closed loop formed at each end is used with one of the closed loops releasably connected to the shackle and the end of the casing. The other end of the sling has a flotation member attached to the sling adjacent the closed loop. The sling is fan folded as it is lowered into the casing. The flotation member is shaped to fit inside the other end of the casing with the closed end loop of the sling protruding from the casing. A split retaining ring is placed around the sling between the flotation member and the closed loop and inserted in the open end of the casing.
    Type: Grant
    Filed: March 16, 1998
    Date of Patent: November 16, 1999
    Assignee: Cooper Cameron Corporation
    Inventors: John D. Wactor, Richard C. Barnett