Patents by Inventor Larry G. Keast

Larry G. Keast 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: 12115472
    Abstract: A filter assembly that includes a main body having a bore therein forming an inner surface, the inner surface configured with a receptacle. There is a filter medium disposed at least partially in the receptacle, the filter medium having a plurality of winding. An at least one of the plurality of windings separated by a clearance to an adjacent winding.
    Type: Grant
    Filed: October 23, 2023
    Date of Patent: October 15, 2024
    Inventor: Larry G. Keast
  • Publication number: 20240226778
    Abstract: A filter assembly that includes a main body having a bore therein forming an inner surface, the inner surface configured with a receptacle. There is a filter medium disposed at least partially in the receptacle, the filter medium having a plurality of winding. An at least one of the plurality of windings separated by a clearance to an adjacent winding.
    Type: Application
    Filed: October 23, 2023
    Publication date: July 11, 2024
    Inventor: Larry G. Keast
  • Publication number: 20240131454
    Abstract: A filter assembly that includes a main body having a bore therein forming an inner surface, the inner surface configured with a receptacle. There is a filter medium disposed at least partially in the receptacle, the filter medium having a plurality of winding. An at least one of the plurality of windings separated by a clearance to an adjacent winding.
    Type: Application
    Filed: October 22, 2023
    Publication date: April 25, 2024
    Inventor: Larry G. Keast
  • Publication number: 20240125188
    Abstract: A latch assembly having a first portion coupled with a second portion. The first portion has a roller housing, a latch panel, and handle, and the second portion has a respective roller housing, and a respective latch panel. In a closed position, the latch panel engages with the respective roller housing, and the respective latch panel engages with the roller housing.
    Type: Application
    Filed: December 28, 2023
    Publication date: April 18, 2024
    Inventor: Larry G. Keast
  • Patent number: 11927061
    Abstract: A powered unit with a reeving system for supporting a load associated with operation of the powered unit. The reeving system has a first cylinder with a first rod movingly disposed therein. There is a movable sheave spreader engaged with the first rod, and having a first spreader sheave, the movable sheave spreader also movably engaged with the powered unit.
    Type: Grant
    Filed: March 22, 2023
    Date of Patent: March 12, 2024
    Inventor: Larry G. Keast
  • Patent number: 11905770
    Abstract: A latch assembly having a first portion movably coupled with a second portion. The first portion has a roller housing, a latch panel, and handle, and the second portion has a respective roller housing, a respective latch panel, and a respective handle. In a closed position, the latch panel engages with the respective roller housing, and the respective latch panel engages with the roller housing.
    Type: Grant
    Filed: October 26, 2022
    Date of Patent: February 20, 2024
    Inventor: Larry G. Keast
  • Patent number: 11890910
    Abstract: A shock absorber for a vehicle, the shock absorber having an absorber body with an outer surface, and a movable piston having a first end configured to couple with the vehicle, and a second end disposed within the absorber body. There is a magnet assembly disposed around and external of the movable piston at the second end. The absorber has a sensor assembly having a sensor body coupled with the outer surface. An inner sensor body has a sensor disposed therein configured to detect a change in a linear position of the magnet assembly.
    Type: Grant
    Filed: March 20, 2023
    Date of Patent: February 6, 2024
    Inventor: Larry G. Keast
  • Publication number: 20230332474
    Abstract: A latch assembly having a first portion movably coupled with a second portion. The first portion has a roller housing, a latch panel, and handle, and the second portion has a respective roller housing, a respective latch panel, and a respective handle. In a closed position, the latch panel engages with the respective roller housing, and the respective latch panel engages with the roller housing.
    Type: Application
    Filed: October 26, 2022
    Publication date: October 19, 2023
    Inventor: Larry G. Keast
  • Publication number: 20230226872
    Abstract: A shock absorber for a vehicle, the shock absorber having an absorber body with an outer surface, and a movable piston having a first end configured to couple with the vehicle, and a second end disposed within the absorber body. There is a magnet assembly disposed around and external of the movable piston at the second end. The absorber has a sensor assembly having a sensor body coupled with the outer surface. An inner sensor body has a sensor disposed therein configured to detect a change in a linear position of the magnet assembly.
    Type: Application
    Filed: March 20, 2023
    Publication date: July 20, 2023
    Inventor: Larry G. Keast
  • Publication number: 20230220737
    Abstract: A powered unit with a reeving system for supporting a load associated with operation of the powered unit. The reeving system has a first cylinder with a first rod movingly disposed therein. There is a movable sheave spreader engaged with the first rod, and having a first spreader sheave, the movable sheave spreader also movably engaged with the powered unit.
    Type: Application
    Filed: March 22, 2023
    Publication date: July 13, 2023
    Inventor: Larry G. Keast
  • Publication number: 20230220736
    Abstract: A combination unit having an extendable trough. There is a raising leg connected with a trough assembly, and a following leg movingly coupled with an end of the trough assembly. There is a main trough having a trough housing with a first slider coupled with a first housing side of the trough housing, and a second slider coupled with a second housing side of the trough housing.
    Type: Application
    Filed: March 21, 2023
    Publication date: July 13, 2023
    Inventor: Larry G. Keast
  • Publication number: 20230145409
    Abstract: A track handling device having a rigid portion and a movable portion. The rigid portion includes a spreader having main support post extending therefrom. The movable portion includes a main support arm coupled with a driver arm and a follower arm. A bottom support arm end is configured with a boot suitable to couple with and support a torque track.
    Type: Application
    Filed: November 10, 2022
    Publication date: May 11, 2023
    Inventor: Larry G. Keast
  • Patent number: 11639638
    Abstract: A combination unit having an extendable trough to raise a tubular to a rig floor height. There is a raising leg connected with a trough assembly, and a following leg movingly coupled with an end of the trough assembly. The unit is configured to move a power swivel or other miscellaneous tools and equipment to the rig floor without winches or cables.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: May 2, 2023
    Inventor: Larry G. Keast
  • Patent number: 11639080
    Abstract: A multi-purpose shock absorber for a vehicle suspension having an absorber body with an outer surface, and a movable piston having a first end disposed within the absorber body and a second end configured to couple with a part of the vehicle. There is a magnet assembly disposed around and external of the movable piston at the second end. The absorber has a sensor assembly having a sensor body coupled with the outer surface. An inner sensor body has a sensor disposed therein configured to detect a linear change in a position of the magnet assembly.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: May 2, 2023
    Inventor: Larry G. Keast
  • Patent number: 11634952
    Abstract: A powered unit with a reeving system for supporting a load associated with operation of the powered unit, the reeving system having a first cylinder with a first cylinder end coupled with a raising leg of the powered unit, and a second cylinder end having a first rod movingly disposed therein. There is a movable sheave spreader engaged with the first rod, and having a first spreader sheave, the movable sheave spreader also movably engaged with the powered unit.
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: April 25, 2023
    Inventor: Larry G. Keast
  • Patent number: 11549960
    Abstract: A top drive system comprising a drilling rig, and a top drive unit operatively associated with the drilling rig. The top drive includes a top drive housing, and a rotatable member having a first member portion within the top drive housing, and a second member portion extending outward from the top drive housing. There is a sensor assembly disposed within the top drive housing, the assembly comprising a sensor configured to provide an output signal associated with an at least one parameter of the top drive. The first member portion is configured with a profile sensed by the sensor assembly.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: January 10, 2023
    Inventor: Larry G. Keast
  • Publication number: 20220220815
    Abstract: A powered unit with a reeving system for supporting a load associated with operation of the powered unit, the reeving system having a first cylinder with a first cylinder end coupled with a raising leg of the powered unit, and a second cylinder end having a first rod movingly disposed therein. There is a movable sheave spreader engaged with the first rod, and having a first spreader sheave, the movable sheave spreader also movably engaged with the powered unit.
    Type: Application
    Filed: January 14, 2022
    Publication date: July 14, 2022
    Inventor: Larry G. Keast
  • Publication number: 20220153080
    Abstract: A multi-purpose shock absorber for a vehicle suspension having an absorber body with an outer surface, and a movable piston having a first end disposed within the absorber body and a second end configured to couple with a part of the vehicle. There is a magnet assembly disposed around and external of the movable piston at the second end. The absorber has a sensor assembly having a sensor body coupled with the outer surface. An inner sensor body has a sensor disposed therein configured to detect a linear change in a position of the magnet assembly.
    Type: Application
    Filed: November 18, 2021
    Publication date: May 19, 2022
    Inventor: Larry G. Keast
  • Publication number: 20220090453
    Abstract: A combination unit having an extendable trough to raise a tubular to a rig floor height. There is a raising leg connected with a trough assembly, and a following leg movingly coupled with an end of the trough assembly. The unit is configured to move a power swivel or other miscellaneous tools and equipment to the rig floor without winches or cables.
    Type: Application
    Filed: December 2, 2021
    Publication date: March 24, 2022
    Inventor: Larry G. Keast
  • Patent number: D946480
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: March 22, 2022
    Inventor: Larry G. Keast