Patents by Inventor John Kevin Clemons

John Kevin Clemons 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: 11585449
    Abstract: An inner subassembly for assembling a valve assembly includes a spool defining a central bore that extends axially through the spool forming a spool annular wall, and including a spool cone tip that is disposed at the first axial end, as well as a hydraulic activation ridge extending radially outwardly from the spool annular wall, and that is disposed axially between the second axial end and the first axial end. The spool may further define a first bypass bore. A stem defines a first flow bore that aligns with the first bypass bore.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: February 21, 2023
    Assignee: Caterpillar Inc.
    Inventors: John Kevin Clemons, Cody T. Moore
  • Publication number: 20220120352
    Abstract: An inner subassembly for assembling a valve assembly includes a spool defining a central bore that extends axially through the spool forming a spool annular wall, and including a spool cone tip that is disposed at the first axial end, as well as a hydraulic activation ridge extending radially outwardly from the spool annular wall, and that is disposed axially between the second axial end and the first axial end. The spool may further define a first bypass bore. A stem defines a first flow bore that aligns with the first bypass bore.
    Type: Application
    Filed: October 21, 2020
    Publication date: April 21, 2022
    Applicant: Caterpillar Inc.
    Inventors: John Kevin Clemons, Cody T. Moore
  • Patent number: 9518372
    Abstract: A hydraulic shear including a first jaw, a second jaw, a pivot pin, and an adjustment mechanism is provided. The first jaw includes a first and second sidewall defining a first and second opening therethrough. The second jaw is disposed between the first and second sidewalls and includes a third opening. The pivot pin extends through the first, second, and third openings to pivotally connect the first and second jaws. The adjustment mechanism is coupled to the first jaw, the second jaw, and the pivot pin. The adjustment mechanism slidably adjusts a position of the second jaw on the pivot pin with respect to first and second sidewalls of the first jaw.
    Type: Grant
    Filed: April 25, 2013
    Date of Patent: December 13, 2016
    Assignee: Caterpillar Inc.
    Inventor: John Kevin Clemons
  • Patent number: 9333570
    Abstract: A piercing tip assembly has two piercing tips, each having two sets of piercing and shearing edges. The tip is reversible so that the tip can be detached from the shears, its orientation changed, and replaced on the shears so a fresh, sharp set of piercing and shearing edges is exposed during use. The tips are reverse by rotating each tip and replacing the tip mounted on the right side of the jaw, and switching the tip on the left side of the jaw to the right side, and the tip on the right side of the jaw to the left side. The piercing tip assembly protects a substantial portion of the upper jaw of a metal shears from wear.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: May 10, 2016
    Assignee: Caterpillar Inc.
    Inventors: John Kevin Clemons, Jeffrey R. Peterson, John M. Stamey
  • Publication number: 20150197917
    Abstract: A piercing tip for a shear is disclosed. The piercing tip may have a first part configured to be secured to a jaw of the shear. The first part may have a first planar surface configured to abut a first side surface of the jaw. The piercing tip may also have a second part configured to be secured to the jaw and the first part. The second part may have a planar portion including an inner surface configured to abut a second side surface of the jaw. The second part may also have a projecting portion including an upper surface configured to abut a lower surface of the jaw, and a projecting surface abutting the first planar surface of the first part.
    Type: Application
    Filed: January 15, 2014
    Publication date: July 16, 2015
    Applicant: Caterpillar Inc.
    Inventor: John Kevin Clemons
  • Publication number: 20140317935
    Abstract: A hydraulic shear including a first jaw, a second jaw, a pivot pin, and an adjustment mechanism is provided. The first jaw includes a first and second sidewall defining a first and second opening therethrough. The second jaw is disposed between the first and second sidewalls and includes a third opening. The pivot pin extends through the first, second, and third openings to pivotally connect the first and second jaws. The adjustment mechanism is coupled to the first jaw, the second jaw, and the pivot pin. The adjustment mechanism slidably adjusts a position of the second jaw on the pivot pin with respect to first and second sidewalls of the first jaw.
    Type: Application
    Filed: April 25, 2013
    Publication date: October 30, 2014
    Applicant: Caterpillar Inc.
    Inventor: John Kevin Clemons
  • Patent number: 7934758
    Abstract: A connecting and adapting system for interconnecting a pair of jaws of a grapple assembly and for adapting the grapple assembly for connecting to a plurality of linkages. The system includes bearings, where the bearings have a flange, an elongated section, and a bore. The flange of the bearings abuts a portion of one of the jaws, the elongated section of the bearings interconnects the jaws, and the bore of the bearing receives a pin to provide a connecting location. A portion of the bearing, being positioned opposite the flange, receives a collar that abuts a portion of one of the jaws.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: May 3, 2011
    Assignee: Caterpillar Inc.
    Inventors: John Stamey, John Kevin Clemons
  • Publication number: 20080238116
    Abstract: A connecting and adapting system for interconnecting a pair of jaws of a grapple assembly and for adapting the grapple assembly for connecting to a plurality of linkages. The system includes bearings, where the bearings have a flange, an elongated section, and a bore. The flange of the bearings abuts a portion of one of the jaws, the elongated section of the bearings interconnects the jaws, and the bore of the bearing receives a pin to provide a connecting location. A portion of the bearing, being positioned opposite the flange, receives a collar that abuts a portion of one of the jaws.
    Type: Application
    Filed: March 30, 2007
    Publication date: October 2, 2008
    Applicant: Caterpillar Inc.
    Inventors: JOHN STAMEY, John Kevin Clemons
  • Publication number: 20080072434
    Abstract: A piercing tip assembly has two piercing tips, each having two sets of piercing and shearing edges. The tip is reversible so that the tip can be detached from the shears, its orientation changed, and replaced on the shears so a fresh, sharp set of piercing and shearing edges is exposed during use. The tips are reverse by rotating each tip and replacing the tip mounted on the right side of the jaw, and switching the tip on the left side of the jaw to the right side, and the tip on the right side of the jaw to the left side. The piercing tip assembly protects a substantial portion of the upper jaw of a metal shears from wear.
    Type: Application
    Filed: September 27, 2007
    Publication date: March 27, 2008
    Inventors: John Kevin Clemons, Jeffrey R. Peterson, John M. Stamey