Patents by Inventor Larry Postelwait

Larry Postelwait 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: 9206829
    Abstract: A retaining pin assembly for a lifting system which includes a hook prong and a hook cam. The retaining pin assembly includes at least one lock arm assembly having a first end with at least one aperture which aligns with an opening through the hook cam and having an opposed second end with at least one aperture which aligns with an opening through the hook prong. A hook cam retaining pin has a head and has a shaft passing through the hook cam opening and the lock arm first end aperture, wherein the shaft has at least one groove therein parallel to the axis of the shaft. A retaining ring surrounds the hook cam shaft, the retaining ring having at least one inwardly extending tab received in the shaft groove in order to retain the pin in the lock arm. A recess in the lock arm receives the retaining ring therein.
    Type: Grant
    Filed: March 25, 2013
    Date of Patent: December 8, 2015
    Assignee: THE CROSBY GROUP LLC
    Inventors: Roger Ohman, III, Larry Postelwait
  • Patent number: 9003632
    Abstract: A thimble mechanism for retention of a shackle in a wire rope loop termination. In one preferred embodiment, a thimble device is provided for a shackle having a pair of opposed legs with each leg having an end with a width smaller than a depth. The thimble device includes a thimble body having an external arcuate edge with a rope groove for receipt of a wire rope therein. A central opening extends through the thimble body with the central opening larger than the width but smaller than the depth of the shackle ends. A keyway is provided in the thimble body extending from the central opening to the arcuate edge of the thimble body.
    Type: Grant
    Filed: February 4, 2013
    Date of Patent: April 14, 2015
    Assignee: The Crosby Group LLC
    Inventors: Roger E. Beall, Paul A. Boeckman, Charles R. Garrett, Larry Postelwait
  • Publication number: 20130280009
    Abstract: A retaining pin assembly for a lifting system which includes a hook prong and a hook cam. The retaining pin assembly includes at least one lock arm assembly having a first end with at least one aperture which aligns with an opening through the hook cam and having an opposed second end with at least one aperture which aligns with an opening through the hook prong. A hook cam retaining pin has a head and has a shaft passing through the hook cam opening and the lock arm first end aperture, wherein the shaft has at least one groove therein parallel to the axis of the shaft. A retaining ring surrounds the hook cam shaft, the retaining ring having at least one inwardly extending tab received in the shaft groove in order to retain the pin in the lock arm. A recess in the lock arm receives the retaining ring therein.
    Type: Application
    Filed: March 25, 2013
    Publication date: October 24, 2013
    Applicant: The Crosby Group LLC
    Inventors: Roger Ohman, III, Larry Postelwait
  • Patent number: 8375527
    Abstract: An actuated wedge socket assembly. The assembly includes a wedge socket having an elongated hollow basket with a large opening at a first end, a small opening at an opposed second end, and an open interior cross-section tapering from the large opening to the small opening. A wedge includes a large end, an opposed small end, and a peripheral groove to receive a wire rope therein. A mechanism is provided to mechanically move and seat the wedge and the wire rope in the wedge socket to a controlled depth.
    Type: Grant
    Filed: August 5, 2010
    Date of Patent: February 19, 2013
    Assignee: The Crosby Group, Inc.
    Inventors: Stephan M. Crow, Larry Postelwait
  • Patent number: 7825770
    Abstract: A method and system of identifying, inspecting and training regarding a material lifting device. The method includes the steps of attaching RFID tag to a material lifting device. Identification and inspection data regarding the material lifting device is installed and stored on the RFID tag. The identification and inspection data on the RFID tag may be accessed with a portable computer device having an RFID reader. The material lifting device is periodically inspected to obtain inspection data. The identification and inspection data is updated on the portable computer device and is also updated on the RFID tag.
    Type: Grant
    Filed: June 8, 2006
    Date of Patent: November 2, 2010
    Assignee: The Crosby Group LLC
    Inventors: Larry Postelwait, Michael W. Wheeler, Michael H. Osborn
  • Publication number: 20100117787
    Abstract: A method and system of identifying, inspecting and training regarding a material lifting device. The method includes the steps of attaching RFID tag to a material lifting device. Identification and inspection data regarding the material lifting device is installed and stored on the RFID tag. The identification and inspection data on the RFID tag may be accessed with a portable computer device having an RFID reader. The material lifting device is periodically inspected to obtain inspection data. The identification and inspection data is updated on the portable computer device and is also updated on the RFID tag.
    Type: Application
    Filed: June 8, 2006
    Publication date: May 13, 2010
    Applicant: THE CROSBY GROUP, INC.
    Inventors: Larry Postelwait, Michael W. Wheeler, Michael H. Osborn
  • Patent number: 6898827
    Abstract: A wedge socket with actuator assembly. A wedge socket has an elongated hollow basket with a large opening at a first end, a small opening at a second end, and a pair of sides. A wedge has a large end, a small end, a peripheral groove to receive a wire rope, and a pair of sides, wherein at least one side of the wedge has a series of recesses. At least one side of the wedge socket has an opening therethrough to permit a tool to pass through said opening to be received in one of said recesses in order to move said wedge with respect to the socket.
    Type: Grant
    Filed: August 6, 2003
    Date of Patent: May 31, 2005
    Assignee: The Crosby Group, Inc.
    Inventors: Larry Postelwait, Jerry Patton, Bradley Allen Beall
  • Patent number: D453102
    Type: Grant
    Filed: January 8, 2001
    Date of Patent: January 29, 2002
    Assignee: The Crosby Group, Inc.
    Inventor: Larry Postelwait
  • Patent number: D621240
    Type: Grant
    Filed: September 21, 2009
    Date of Patent: August 10, 2010
    Assignee: The Crosby Group, Inc.
    Inventors: Ernest E. Lutter, Larry Postelwait
  • Patent number: D671921
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: December 4, 2012
    Assignee: The Crosby Group LLC
    Inventors: Roger E. Beall, Paul A. Boeckman, Larry Postelwait