Patents by Inventor Johnny Joslin

Johnny Joslin 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).

  • Setting tool igniter system and method
    Patent number: 10920544
    Abstract: A downhole system includes a switch sub holding a gun switch and an adapter attached to the switch sub and holding an igniter switch. The gun switch is configured to detonate a detonator, and the igniter switch is configured to ignite an igniter system.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: February 16, 2021
    Assignee: GEODYNAMICS, INC.
    Inventors: Shelby L. Sullivan, Johnny Joslin, Robert E. Davis, John T. Hardesty, Aaron Douglas Holmberg
  • Setting tool igniter system and method
    Patent number: 10914147
    Abstract: There is an igniter system for igniting an energetic material. The igniter system includes a housing having a bore; an igniter located inside the bore; a ground wire directly connected to the igniter; and a signal wire directly connected to the igniter. The ground wire and the signal wire form an electrical circuit with the igniter for igniting the energetic material.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: February 9, 2021
    Assignee: GEODYNAMICS, INC.
    Inventors: Shelby L. Sullivan, Johnny Joslin, Robert E. Davis, John T. Hardesty
  • Setting tool igniter system and method
    Patent number: 10472939
    Abstract: There is a downhole tool that includes a switch sub having a bore and a bulkhead extending along a longitudinal axis, wherein the bulkhead has a bulkhead bore that fluidly communicates with (i) the bore and (ii) an outside of the switch sub; and an igniter system located inside the bulkhead. The igniter system is configured to ignite an energetic material.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: November 12, 2019
    Assignee: GEODYNAMICS, INC.
    Inventors: Shelby L. Sullivan, Johnny Joslin, Robert E. Davis, John T. Hardesty
  • SETTING TOOL IGNITER SYSTEM AND METHOD
    Publication number: 20190136673
    Abstract: A downhole system includes a switch sub holding a gun switch and an adapter attached to the switch sub and holding an igniter switch. The gun switch is configured to detonate a detonator, and the igniter switch is configured to ignite an igniter system.
    Type: Application
    Filed: January 7, 2019
    Publication date: May 9, 2019
    Applicants: GEODYNAMICS, INC., GEODYNAMICS, INC.
    Inventors: Shelby L. SULLIVAN, Johnny JOSLIN, Robert E. DAVIS, John T. HARDESTY, Aaron Douglas HOLMBERG
  • SETTING TOOL IGNITER SYSTEM AND METHOD
    Publication number: 20190106969
    Abstract: There is an igniter system for igniting an energetic material. The igniter system includes a housing having a bore; an igniter located inside the bore; a ground wire directly connected to the igniter; and a signal wire directly connected to the igniter. The ground wire and the signal wire form an electrical circuit with the igniter for igniting the energetic material.
    Type: Application
    Filed: December 10, 2018
    Publication date: April 11, 2019
    Inventors: Shelby L. SULLIVAN, Johnny JOSLIN, Robert E. DAVIS, John T. HARDESTY
  • SETTING TOOL IGNITER SYSTEM AND METHOD
    Publication number: 20190048694
    Abstract: There is a downhole tool that includes a switch sub having a bore and a bulkhead extending along a longitudinal axis, wherein the bulkhead has a bulkhead bore that fluidly communicates with (i) the bore and (ii) an outside of the switch sub; and an igniter system located inside the bulkhead. The igniter system is configured to ignite an energetic material.
    Type: Application
    Filed: June 27, 2018
    Publication date: February 14, 2019
    Inventors: Shelby L. SULLIVAN, Johnny JOSLIN, Robert E. DAVIS, John T. HARDESTY
  • Setting tool igniter system and method
    Patent number: 10036236
    Abstract: There is a downhole tool that includes a switch sub having a bore and a bulkhead extending along a longitudinal axis, wherein the bulkhead has a bulkhead bore that fluidly communicates with (i) the bore and (ii) an outside of the switch sub; and an igniter system located inside the bulkhead. The igniter system is configured to ignite an energetic material.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: July 31, 2018
    Assignee: GEODYNAMICS, INC.
    Inventors: Shelby L. Sullivan, Johnny Joslin, Robert E. Davis, John T. Hardesty
  • Well bore cutting and perforating devices and methods of manufacture
    Patent number: 6505559
    Abstract: A tubing and casing cutter is shown which can be assembled in the field from a plurality of pressed segmented pellets of free standing explosive material. The segmented pellets have a liner glued to at least one exposed face thereof. The pellets are glued to a backup plate with two mirror image plates being stacked to form a plate assembly. A plurality of plate assemblies are stacked within a surrounding container to form the cutter. The pressed pellets can also be assembled within a cup-shaped container to form a shaped charge.
    Type: Grant
    Filed: September 14, 2000
    Date of Patent: January 14, 2003
    Assignee: Owen Oil Tools, Inc.
    Inventors: Johnny Joslin, David S. Wesson, Dan W. Pratt