Patents by Inventor Jeffrey Krupp
Jeffrey Krupp 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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Patent number: 12260990Abstract: Devices and systems are disclosed herein for drawn arc stud welding. These systems and devices are extremely portable (<50 lbs.), deliver enough power for up to ¾? diameter studs, and include a charging circuit, an energy storage device comprising a plurality of low ESR ultracapacitors, and a discharge circuit. The systems and devices can include a lithium nickel manganese cobalt oxide (LiNiMnCoO2) battery to supply the energy storage device with about 20 to about 30 amps of current between welding operations.Type: GrantFiled: March 17, 2021Date of Patent: March 25, 2025Assignee: Autab, LLCInventor: Jeffrey Krupp
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Publication number: 20250083246Abstract: Devices and systems are disclosed herein for drawn arc stud welding. These systems and devices allow welding operations while reducing the peak power draw of the input source, and include a charging circuit, an energy storage device comprising a plurality of low ESR ultracapacitors, and a discharge circuit.Type: ApplicationFiled: November 22, 2024Publication date: March 13, 2025Applicant: Autab, LLCInventor: Jeffrey Krupp
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Publication number: 20230084669Abstract: A portable stud welder apparatus is provided for welding a stud onto a work piece. The portable stud welder apparatus includes a housing and an energy storage device. A weld stud gun that is configured to hold a weld stud is electrically connected to the energy storage device for receiving energy from the energy storage device to pass a current through the stud and the work piece to form a weldment. At least one battery of the lithium ion type is removeably coupled to the housing to establish an electrical connection with said energy storage device and provide energy to the energy storage device.Type: ApplicationFiled: November 17, 2022Publication date: March 16, 2023Inventors: Scott J. Schraff, Larry L. Church, Stephen D. Brooks, Jeffrey Krupp
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Patent number: 11534849Abstract: A portable stud welder apparatus is provided for welding a stud onto a work piece. The portable stud welder apparatus includes a housing and an energy storage device. A weld stud gun that is configured to hold a weld stud is electrically connected to the energy storage device for receiving energy from the energy storage device to pass a current through the stud and the work piece to form a weldment. At least one battery of the lithium ion type that is removeably coupled to the housing to establish an electrical connection with said energy storage device and provide energy to the energy storage device.Type: GrantFiled: December 16, 2020Date of Patent: December 27, 2022Assignee: NELSON STUD WELDING, INC.Inventors: Scott J. Schraff, Larry L. Church, Stephen D. Brooks, Jeffrey Krupp
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Publication number: 20210296057Abstract: Devices and systems are disclosed herein for drawn arc stud welding. These systems and devices are extremely portable (<50 lbs.), deliver enough power for up to ¾? diameter studs, and include a charging circuit, an energy storage device comprising a plurality of low ESR ultracapacitors, and a discharge circuit. The systems and devices can include a lithium nickel manganese cobalt oxide (LiNiMnCoO2) battery to supply the energy storage device with about 20 to about 30 amps of current between welding operations.Type: ApplicationFiled: March 17, 2021Publication date: September 23, 2021Inventor: Jeffrey Krupp
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Publication number: 20210129256Abstract: A portable drawn arc stud welder apparatus with a lithium ferrophosphate (LFP) battery and stud weld battery control system (SWBCS) is provided for welding a stud onto a workpiece. The portable drawn arc stud welder apparatus includes a housing, an LFP battery disposed in the housing and including a plurality of LFP battery cells, a weld stud gun configured to hold a stud and is electrically connected to the LFP battery for receiving energy from the LFP battery to pass a current through the stud and the workpiece to form a weldment. The SWBCS is disposed in the housing and electrically connected to the LFP battery of the portable drawn arc stud welder apparatus. The SWBCS includes a computer, a memory, and instructions therein to implement control and monitoring of the operation of the portable drawn arc stud welder apparatus.Type: ApplicationFiled: December 16, 2020Publication date: May 6, 2021Inventors: Scott J. Schraff, Jeffrey Krupp, Stephen D. Brooks
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Publication number: 20210129255Abstract: A portable stud welder apparatus is provided for welding a stud onto a work piece. The portable stud welder apparatus includes a housing and an energy storage device. A weld stud gun that is configured to hold a weld stud is electrically connected to the energy storage device for receiving energy from the energy storage device to pass a current through the stud and the work piece to form a weldment. At least one battery of the lithium ion type that is removeably coupled to the housing to establish an electrical connection with said energy storage device and provide energy to the energy storage device.Type: ApplicationFiled: December 16, 2020Publication date: May 6, 2021Inventors: Scott J. Schraff, Larry L. Church, Stephen D. Brooks, Jeffrey Krupp
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Patent number: 10906122Abstract: A portable drawn arc stud welder apparatus with a lithium ferrophosphate (LFP) battery and stud weld battery control system (SWBCS) is provided for welding a stud onto a workpiece. The portable drawn arc stud welder apparatus includes a housing, an LFP battery disposed in the housing and including a plurality of LFP battery cells, a weld stud gun configured to hold a stud and is electrically connected to the LFP battery for receiving energy from the LFP battery to pass a current through the stud and the workpiece to form a weldment. The SWBCS is disposed in the housing and electrically connected to the LFP battery of the portable drawn arc stud welder apparatus. The SWBCS includes a computer, a memory, and instructions therein to implement control and monitoring of the operation of the portable drawn arc stud welder apparatus.Type: GrantFiled: March 19, 2018Date of Patent: February 2, 2021Assignee: NELSON STUD WELDING, INC.Inventors: Scott J. Schraff, Jeffrey Krupp, Stephen D. Brooks
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Patent number: 10894296Abstract: A portable stud welder apparatus is provided for welding a stud onto a work piece. The portable stud welder apparatus includes a housing and an energy storage device. A weld stud gun that is configured to hold a weld stud is electrically connected to the energy storage device for receiving energy from the energy storage device to pass a current through the stud and the work piece to form a weldment. At least one battery of the lithium ion type that is removeably coupled to the housing to establish an electrical connection with said energy storage device and provide energy to the energy storage device.Type: GrantFiled: August 19, 2016Date of Patent: January 19, 2021Assignee: NELSON STUD WELDING, INC.Inventors: Scott J. Schraff, Larry L. Church, Stephen D. Brooks, Jeffrey Krupp
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Publication number: 20180264581Abstract: A portable drawn arc stud welder apparatus with a lithium ferrophosphate (LFP) battery and stud weld battery control system (SWBCS) is provided for welding a stud onto a workpiece. The portable drawn arc stud welder apparatus includes a housing, an LFP battery disposed in the housing and including a plurality of LFP battery cells, a weld stud gun configured to hold a stud and is electrically connected to the LFP battery for receiving energy from the LFP battery to pass a current through the stud and the workpiece to form a weldment. The SWBCS is disposed in the housing and electrically connected to the LFP battery of the portable drawn arc stud welder apparatus. The SWBCS includes a computer, a memory, and instructions therein to implement control and monitoring of the operation of the portable drawn arc stud welder apparatus.Type: ApplicationFiled: March 19, 2018Publication date: September 20, 2018Applicant: Nelson Stud Welding, Inc.Inventors: Scott J. Schraff, Jeffrey Krupp, Stephen D. Brooks
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Publication number: 20170050259Abstract: A portable stud welder apparatus is provided for welding a stud onto a work piece. The portable stud welder apparatus includes a housing and an energy storage device. A weld stud gun that is configured to hold a weld stud is electrically connected to the energy storage device for receiving energy from the energy storage device to pass a current through the stud and the work piece to form a weldment. At least one battery of the lithium ion type that is removeably coupled to the housing to establish an electrical connection with said energy storage device and provide energy to the energy storage device.Type: ApplicationFiled: August 19, 2016Publication date: February 23, 2017Inventors: Scott J. Schraff, Larry L. Church, Stephen D. Brooks, Jeffrey Krupp
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Publication number: 20150076121Abstract: A drawn arc welding device includes a welding tool, and an energy storage device coupled to a power source. A charging circuit is connected to the energy storage device replenishing the storage device. A discharge circuit is connected to the welding tool and energy storage device. The discharge circuit regulates and adjusts a welding current of the welding tool to a specified amount. Also disclosed is a process that includes charging the energy storage device, actuating the welding tool, energizing a pilot arc current, lifting the weld stud off a workpiece to draw the pilot arc, energizing a welding arc wherein the discharge circuit regulates a welding current of the welding tool to a specified amount, and plunging the weld stud into the workpiece and turning off the discharge circuit.Type: ApplicationFiled: November 14, 2014Publication date: March 19, 2015Inventors: Jeffrey Krupp, Larry L. Church, Scott J. Schraff