Patents by Inventor Dennis Sigl
Dennis Sigl 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: 11065706Abstract: Hybrid manual and automated welding systems and methods are described. A hand-held welding tool is manually positioned to engage a workpiece. A weld is started from an initial position based on a first manual operator event. A welding heat source is automatically or autonomously moved along the weld relative to the workpiece from the first position to a second position relative to the workpiece during welding.Type: GrantFiled: August 26, 2016Date of Patent: July 20, 2021Assignee: Illinois Tool Works Inc.Inventors: Christopher Hsu, Dennis Sigl, Herbert A. Bankstahl
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Patent number: 10987765Abstract: A system, apparatus, and method in which an induction head is used to impinge an electromagnetic force field on a molten metal bead to shape same, e.g., to flatten same.Type: GrantFiled: August 17, 2016Date of Patent: April 27, 2021Assignee: Illinois Tool Works Inc.Inventors: Dennis Sigl, Dustin Wagner, Christopher Hsu
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Publication number: 20210016385Abstract: A consumable filler metal delivery system includes a reciprocating wire feeding gear assembly configured to move a wire forward and backward with a net forward motion and a motor configured to drive the reciprocating wire feeding gear assembly, wherein the motor is configured to rotate only in one direction during operation of the consumable filler metal delivery system.Type: ApplicationFiled: August 4, 2020Publication date: January 21, 2021Inventors: Christopher Hsu, Dennis Sigl, Herbert Alexius Bankstahl
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Patent number: 10675699Abstract: A contact tip assembly with a preheating tip comprises a welding power source configured to provide welding current to a welding circuit, the welding circuit comprising a welding electrode and a first contact tip of a welding torch. The assembly also includes an electrode preheating circuit configured to provide preheating current through a portion of the welding electrode via a second contact tip of the welding torch, and a voltage sense circuit to monitor a voltage drop across the two contact tips, and the electrode preheating circuit adjusts at least one of the first current or the preheating current based on the voltage drop.Type: GrantFiled: November 4, 2016Date of Patent: June 9, 2020Assignee: Illinois Tool Works Inc.Inventors: Christopher Hsu, Dennis Sigl, Jake Zwayer, James Lee Uecker, Jon Michael Patterson
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Patent number: 10464157Abstract: A contact tip assembly with a preheating tip comprises a welding power source configured to provide welding current to a welding circuit, the welding circuit comprising a welding electrode and a first contact tip of a welding torch. The assembly also includes an electrode preheating circuit configured to provide preheating current through a portion of the welding electrode via a second contact tip of the welding torch, and a voltage sense circuit to monitor a voltage drop across the two contact tips, and the electrode preheating circuit adjusts at least one of the first current or the preheating current based on the voltage drop.Type: GrantFiled: November 4, 2016Date of Patent: November 5, 2019Assignee: Illinois Tool Works Inc.Inventors: Christopher Hsu, Dennis Sigl, Jake Zwayer, James Lee Uecker, Jon Michael Patterson
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Publication number: 20180050426Abstract: A system, apparatus, and method in which an induction head is used to impinge an electromagnetic force field on a molten metal bead to shape same, e.g., to flatten same.Type: ApplicationFiled: August 17, 2016Publication date: February 22, 2018Inventors: Dennis Sigl, Dustin Wagner, Christopher Hsu
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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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Publication number: 20170165778Abstract: 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. The assembly also includes an electrode preheating circuit configured to provide preheating current through a portion of the welding-type electrode via a second contact tip of the welding torch, and a voltage sense circuit to monitor a voltage drop across the two contact tips, and the electrode preheating circuit adjusts at least one of the first current or the preheating current based on the voltage drop.Type: ApplicationFiled: November 4, 2016Publication date: June 15, 2017Inventors: Christopher Hsu, Dennis Sigl, Jake Zwayer, James Lee Uecker, Jon Michael Patterson
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Publication number: 20170057000Abstract: Hybrid manual and automated welding systems and methods are described. A hand-held welding tool is manually positioned to engage a workpiece. A weld is started from an initial position based on a first manual operator event. A welding heat source is automatically or autonomously moved along the weld relative to the workpiece from the first position to a second position relative to the workpiece during welding.Type: ApplicationFiled: August 26, 2016Publication date: March 2, 2017Inventors: CHRISTOPHER HSU, DENNIS SIGL, HERBERT A. BANKSTAHL
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Patent number: 8188708Abstract: A battery-charging system includes a power supply having a high-frequency transformer and is configured to deliver a battery charging power to charge at least one battery. The high-frequency transformer has a bobbin including an elongated top and bottom surfaces and first and second substantially semi-circular end surfaces connecting the top surface with the bottom surface to form an elongated first coil winding surface having a central axis. A first coil is wound around the first coil winding surface, and a second coil is magnetically coupled to the first coil and wound thereto.Type: GrantFiled: September 11, 2007Date of Patent: May 29, 2012Assignee: Illinois Tool Works Inc.Inventors: Kenneth Altekruse, James D. Kimball, Dennis Sigl, Bernard J. Vogel, Jeffrey Lonigro
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Publication number: 20090066290Abstract: A battery-charging system includes a power supply having a high-frequency transformer and is configured to deliver a battery charging power to charge at least one battery. The high-frequency transformer has a bobbin including an elongated top and bottom surfaces and first and second substantially semi-circular end surfaces connecting the top surface with the bottom surface to form an elongated first coil winding surface having a central axis. A first coil is wound around the first coil winding surface, and a second coil is magnetically coupled to the first coil and wound thereto.Type: ApplicationFiled: September 11, 2007Publication date: March 12, 2009Inventors: Kenneth Altekruse, James D. Kimball, Dennis Sigl, Bernard J. Vogel, Jeffrey Lonigro
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Patent number: 6864777Abstract: A welding-type power supply transformer including a bobbin, a first coil and a second coil is disclosed. The first coil is wound around the bobbin. The second coil is magnetically coupled to the first coil.Type: GrantFiled: June 13, 2003Date of Patent: March 8, 2005Assignee: Illinois Tool Works Inc.Inventor: Dennis Sigl
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Publication number: 20030210120Abstract: A welding-type power supply transformer including a bobbin, a first coil and a second coil is disclosed. The first coil is wound around the bobbin. The second coil is magnetically coupled to the first coil.Type: ApplicationFiled: June 13, 2003Publication date: November 13, 2003Inventor: Dennis Sigl
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Patent number: 6611189Abstract: A welding-type power supply transformer including a bobbin, a first coil and a second coil is disclosed. The first coil is wound around the bobbin. The second coil is magnetically coupled to the first coil.Type: GrantFiled: May 22, 2001Date of Patent: August 26, 2003Assignee: Illinois Tool Works Inc.Inventor: Dennis Sigl
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Publication number: 20020175798Abstract: A welding-type power supply transformer including a bobbin, a first coil and a second coil is disclosed. The first coil is wound around the bobbin. The second coil is magnetically coupled to the first coil.Type: ApplicationFiled: May 22, 2001Publication date: November 28, 2002Inventor: Dennis Sigl
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Patent number: 6163085Abstract: A power supply that receives an input voltage and provides output power is described. A method for selecting one of a plurality of input voltages by moving first and second links is also described. The power supply includes a housing and the links are inside the housing. The links configure the power supply to receive a selected input voltage from a number of input voltages, depending upon the position they are in. The links depend on one another. Indicators are connected to the links, and show for what input voltage the links are connected. The indicators are visible from outside the housing. The housing includes one or more windows through which the indicators are visible. The indicators are alpha-numeric characters or drawings. The links includes a circuit board with the indicators mounted thereon and a plug or a set of copper bars that are placed in either the first or second position.Type: GrantFiled: November 26, 1997Date of Patent: December 19, 2000Assignee: Illinois Tool Works Inc.Inventors: Dennis Sigl, Steven Geissler