Patents by Inventor Steven Barhorst
Steven Barhorst 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).
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Publication number: 20210245289Abstract: A contact tip assembly with a preheating tip comprises a welding-type power source configured to provide welding-type current to a welding-type circuit, the welding-type circuit comprising a welding-type electrode and a first contact tip of a welding torch; an electrode preheating circuit configured to provide preheating current through a first portion of the electrode via a second contact tip of the welding torch; and a preheat controller to: monitor a voltage drop across a second portion of the electrode; adjust at least one of the welding-type current or the preheating current based on the voltage drop, the second portion of the electrode comprising at least part of the first portion of the electrode; and control the preheating current based on a hydrogen reduction goal and based on stored parameters associated with a type of the electrode, a chemistry of the electrode, or a wire size.Type: ApplicationFiled: December 23, 2020Publication date: August 12, 2021Inventors: Jake Zwayer, Steven Barhorst, James Lee Uecker, Christopher Hsu, Dennis Sigl, Jon Michael Patterson
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Patent number: 10016850Abstract: The invention relates generally to welding and, more specifically, to welding wires for arc welding, such as Gas Metal Arc Welding (GMAW) or Flux Core Arc Welding (FCAW). In one embodiment, a method of manufacturing a tubular welding wire includes disposing a core within a metallic sheath. Further, the core includes an organic stabilizer component, in which the organic stabilizer component is an alkali metal or alkali earth metal salt of an organic molecule or an organic polymer.Type: GrantFiled: January 16, 2013Date of Patent: July 10, 2018Assignee: HOBART BROTHERS COMPANYInventors: Steven Barhorst, Mario Amata, Kevin Pagano
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Patent number: 9999944Abstract: The invention relates generally to welding and, more specifically, to welding wires for arc welding, such as Gas Metal Arc Welding (GMAW) or Flux Core Arc Welding (FCAW). In one embodiment, a tubular welding wire includes a sheath and a core, and the core includes an organic stabilizer component. Further, the organic stabilizer component includes an organic sub-component configured to release hydrogen near a surface of a workpiece during welding, and includes a Group I metal, Group II metal, or a combination thereof.Type: GrantFiled: January 16, 2013Date of Patent: June 19, 2018Assignee: HOBART BROTHERS COMPANYInventors: Steven Barhorst, Mario Amata, Kevin Pagano
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Patent number: 9950394Abstract: The invention relates generally to welding and, more specifically, to electrodes for arc welding, such as Gas Metal Arc Welding (GMAW) or Flux Core Arc Welding (FCAW). In one embodiment, a tubular welding wire includes a sheath and a core. The core includes a carbon source and a potassium source that together comprise less than 10% of the core by weight. Furthermore, the carbon source is selected from the group: carbon black, lamp black, carbon nanotubes, and diamond.Type: GrantFiled: March 12, 2012Date of Patent: April 24, 2018Assignee: Hobart Brothers CompanyInventors: Steven Barhorst, Mario Amata
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Patent number: 9821402Abstract: This disclosure relates generally to welding, and more specifically, to submerged arc welding (SAW). In an embodiment, a welding system includes a gas supply system configured to provide a gas flow. The system also includes a wire supply system configured to provide welding wire, and a flux supply system configured to provide flux near a welding arc during submerged arc welding (SAW). The system further includes a welding torch assembly configured to receive the gas flow and the welding wire and to deliver the gas flow and the welding wire near the welding arc during SAW.Type: GrantFiled: March 27, 2012Date of Patent: November 21, 2017Assignee: ILLINOIS TOOL WORKS INC.Inventors: Kenneth Allen Fisher, Mario Amata, Steven Barhorst, Joseph Bundy
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Patent number: 9764409Abstract: This disclosure relates generally to welding, and more specifically, to submerged arc welding (SAW). In an embodiment, a welding system includes a gas supply system configured to provide a fluorine-containing gas flow. The system also includes a wire supply system configured to provide welding wire, and a flux supply system configured to provide flux near a welding arc during submerged arc welding (SAW). The system further includes a welding torch assembly configured to receive the fluorine-containing gas flow and the welding wire and to deliver the fluorine-containing gas flow and the welding wire near the welding arc during the SAW.Type: GrantFiled: March 27, 2012Date of Patent: September 19, 2017Assignee: ILLINOIS TOOL WORKS INC.Inventors: Kenneth Allen Fisher, Mario Amata, Steven Barhorst, Joseph Bundy
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Publication number: 20170225255Abstract: A contact tip assembly with a preheating tip comprises a welding-type power source configured to provide welding-type current to a welding-type circuit, the welding-type circuit comprising a welding-type electrode and a first contact tip of a welding torch; an electrode preheating circuit configured to provide preheating current through a first portion of the electrode via a second contact tip of the welding torch; and a preheat controller to: monitor a voltage drop across a second portion of the electrode; adjust at least one of the welding-type current or the preheating current based on the voltage drop, the second portion of the electrode comprising at least part of the first portion of the electrode; and control the preheating current based on a hydrogen reduction goal and based on stored parameters associated with a type of the electrode, a chemistry of the electrode, or a wire size.Type: ApplicationFiled: April 26, 2017Publication date: August 10, 2017Inventors: Jake Zwayer, Steven Barhorst, James Lee Uecker, Christopher Hsu, Dennis Sigl, Jon Michael Patterson
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Patent number: 9517523Abstract: This disclosure relates generally to arc welding. In an embodiment, a welding system has a welding gas supply system configured to supply a gas flow including a shielding gas and a fluorine-containing gas to a weld pool. Furthermore, the shielding gas is configured to control an atmosphere surrounding the weld pool, the fluorine-containing gas is configured to reduce diffusible hydrogen in the weld pool, and the fluorine-containing gas is substantially free of sulfur.Type: GrantFiled: April 4, 2011Date of Patent: December 13, 2016Assignee: ILLINOIS TOOL WORKS INC.Inventors: Steven Barhorst, Mario Amata, Joseph C. Bundy
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Patent number: 9403233Abstract: A welding operation is performed by moving or rotating an arc in a welding torch, and feeding a metal cored wire through the torch in a direct current, electrode negative welding process. The electrode may include one or more arc stabilizers. The welding process may be pulsed or non-pulsed. Moreover, the process may be used with a number of different base metals intended to be welded, such as thin plate, galvanized metals, painted metals, coated metals, and so forth.Type: GrantFiled: November 20, 2012Date of Patent: August 2, 2016Assignee: ILLINOIS TOOL WORKS INC.Inventors: Kevin Pagano, James Lee Uecker, Steven Barhorst, Bryan Dustin Marschke, Mario Amata
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Patent number: 9199341Abstract: The invention relates generally to welding and, more specifically, to welding wires for arc welding, such as Gas Metal Arc Welding (GMAW) or Flux Core Arc Welding (FCAW). In one embodiment, a tubular welding wire includes a sheath and a core, in which the sheath includes less than approximately 0.06% carbon by weight. The core includes a carbon source and a potassium source that together comprise less than 10% of the core by weight.Type: GrantFiled: August 28, 2012Date of Patent: December 1, 2015Assignee: HOBART BROTHERS COMPANYInventors: Steven Barhorst, Mario Amata, Kevin Pagano
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Patent number: 9029733Abstract: A tubular welding wire includes a granular core and a metal sheath encircling the granular core. Furthermore, the metal sheath includes at least approximately 0.3% manganese by weight and at least approximately 0.05% silicon by weight.Type: GrantFiled: April 13, 2012Date of Patent: May 12, 2015Assignee: Hobart Brothers CompanyInventors: Steven Barhorst, Joseph Bundy, Michael Bertram
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Publication number: 20140061179Abstract: The invention relates generally to welding and, more specifically, to welding wires for arc welding, such as Gas Metal Arc Welding (GMAW) or Flux Core Arc Welding (FCAW). In one embodiment, a method of manufacturing a tubular welding wire includes disposing a core within a metallic sheath. Further, the core includes an organic stabilizer component, in which the organic stabilizer component is an alkali metal or alkali earth metal salt of an organic molecule or an organic polymer.Type: ApplicationFiled: January 16, 2013Publication date: March 6, 2014Applicant: HOBART BROTHERS COMPANYInventors: Steven Barhorst, Mario Amata, Kevin Pagano
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Publication number: 20140061166Abstract: The invention relates generally to welding and, more specifically, to welding wires for arc welding, such as Gas Metal Arc Welding (GMAW) or Flux Core Arc Welding (FCAW). In one embodiment, a tubular welding wire includes a sheath and a core, and the core includes an organic stabilizer component.Type: ApplicationFiled: January 16, 2013Publication date: March 6, 2014Applicant: HOBART BROTHERS COMPANYInventors: Steven Barhorst, Mario Amata, Kevin Pagano
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Publication number: 20140061175Abstract: The invention relates generally to welding and, more specifically, to welding wires for arc welding, such as Gas Metal Arc Welding (GMAW) or Flux Core Arc Welding (FCAW). In one embodiment, a tubular welding wire includes a sheath and a core, in which the sheath includes less than approximately 0.06% carbon by weight. The core includes a carbon source and a potassium source that together comprise less than 10% of the core by weight.Type: ApplicationFiled: August 28, 2012Publication date: March 6, 2014Applicant: Hobart Brothers CompanyInventors: Steven Barhorst, Mario Amata, Kevin Pagano
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Publication number: 20130270244Abstract: A tubular welding wire includes a granular core and a metal sheath encircling the granular core. Furthermore, the metal sheath includes at least approximately 0.3% manganese by weight and at least approximately 0.05% silicon by weight.Type: ApplicationFiled: April 13, 2012Publication date: October 17, 2013Applicant: Hobart Brothers CompanyInventors: Steven Barhorst, Joseph Bundy, Michael Bertram
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Publication number: 20130256276Abstract: This disclosure relates generally to welding, and more specifically, to submerged arc welding (SAW). In an embodiment, a welding system includes a gas supply system configured to provide a gas flow. The system also includes a wire supply system configured to provide welding wire, and a flux supply system configured to provide flux near a welding arc during submerged arc welding (SAW). The system further includes a welding torch assembly configured to receive the gas flow and the welding wire and to deliver the gas flow and the welding wire near the welding arc during SAW.Type: ApplicationFiled: March 27, 2012Publication date: October 3, 2013Applicant: Illinois Tool Works Inc.Inventors: Kenneth Allen Fisher, Mario Amata, Steven Barhorst, Joseph Bundy
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Publication number: 20130233839Abstract: The invention relates generally to welding and, more specifically, to electrodes for arc welding, such as Gas Metal Arc Welding (GMAW) or Flux Core Arc Welding (FCAW). In one embodiment, a tubular welding wire includes a sheath and a core. The core includes a carbon source and a potassium source that together comprise less than 10% of the core by weight. Furthermore, the carbon source is selected from the group: carbon black, lamp black, carbon nanotubes, and diamond.Type: ApplicationFiled: March 12, 2012Publication date: September 12, 2013Applicant: Hobart Brothers CompanyInventors: Steven Barhorst, Mario Amata
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Publication number: 20110248000Abstract: This disclosure relates generally to arc welding. In an embodiment, a welding system has a welding gas supply system configured to supply a gas flow including a shielding gas and a fluorine-containing gas to a weld pool. Furthermore, the shielding gas is configured to control an atmosphere surrounding the weld pool, the fluorine-containing gas is configured to reduce diffusible hydrogen in the weld pool, and the fluorine-containing gas is substantially free of sulfur.Type: ApplicationFiled: April 4, 2011Publication date: October 13, 2011Applicant: Illinois Tool Works Inc.Inventors: Steven Barhorst, Mario Amata, Joseph C. Bundy
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Publication number: 20080149600Abstract: A method and apparatus for MIG welding is disclosed. When in an ac mode the output is unbalanced, or the balance may be controlled. The balance may be controlled to provide a desired deposition rate and/or to obtain a desired dilution. The frequency may be any frequency, for example 30 Hz, 60 Hz, 90 Hz, or more. The weld path may have groove with angle of less than 50 degrees. A consumable, cored, wire may be used, and provide at rates of 30 or 35 pounds per hour using a single arc. In various embodiments the balance may have a negative portion of at least 1.5 times the positive portion. The process may be started using an extended negative portion, for example 0.5 or 0.75 seconds.Type: ApplicationFiled: February 5, 2008Publication date: June 26, 2008Applicant: Illinois Tool Works Inc.Inventors: Todd Holverson, Anthony Nikodym, Lin Zhang, Steven Barhorst, Jon Reynolds
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Patent number: 7335852Abstract: A method and apparatus for MIG welding is disclosed. When in an ac mode the output is unbalanced, or the balance may be controlled. The balance may be controlled to provide a desired deposition rate and /or to obtain a desired dilution. The frequency may be any frequency, for example 30 Hz, 60 Hz, 90 Hz, or more. The weld path may have groove with angle of less than 50 degrees. A consumable, cored, wire may be used, and provide at rates of 30 or 35 pounds per hour using a single arc. In various embodiments the balance may have a negative portion of at least 1.5 times the positive portion. The process may be started using an extended negative portion, for example 0.5 or 0.75 seconds.Type: GrantFiled: July 14, 2006Date of Patent: February 26, 2008Assignee: Illinois Tool Works Inc.Inventors: Todd E. Holverson, Anthony F. Nikodym, Lin Zhang, Steven Barhorst, Jon O. Reynolds