Patents by Inventor Joseph P. Charles

Joseph P. Charles 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: 4538849
    Abstract: A composite spreader frame assembly provides a primary load line having a bridle attached to the load line and four radially and branching lines connected at one respective end to the bridle. A pair of separate elongated support bars are each supported independently by the alternate radially branching lines. A plurality of lifting eyes are removably connected at each respective end of the elongated support bars. Four secondary depending load lines which are generally vertical during lifting are attached at the upper end to the lifting eyes and at the lower end to a load to be lifted.
    Type: Grant
    Filed: August 8, 1983
    Date of Patent: September 3, 1985
    Assignee: Versabar, Inc.
    Inventors: Jon E. Khachaturian, Joseph P. Charles
  • Patent number: 4397493
    Abstract: A spreader bar assembly provides a rigid elongated support of uniform cross-section (for example, a section of pipe). A pair of lifting eye assemblies are connected during the lifting operation at each respective end portion of the bar, each forming a connection with an above supporting bridle line and a depending lift line, each of the lifting eye assemblies comprising in part a socket of uniform cross-section receptive of one end of said bar thereinto and having a corresponding internal cross-section equal to or slightly larger than the external cross-section of the support bar. A stop is provided within the socket for limiting the penetration of the bar into the socket.
    Type: Grant
    Filed: September 8, 1981
    Date of Patent: August 9, 1983
    Assignee: Versabar, Inc.
    Inventors: Jon E. Khachaturian, Joseph P. Charles