Inventor · disambiguated record
Dennis Sigl
Also filed as: SIGL DENNIS · SIGL DENNIS R · SIGL DENNIS ROLAND
31 granted patents·7 pending applications·329 citations·filing 1996–2024
96Inventor score
Top patents by PatentIndex Score
38 records- 0197US10675699B2Systems, methods, and apparatus to preheat welding wireILLINOIS TOOL WORKS·Filed 2016·Granted Jun 9, 2020·9 cites·25 claims
- 0293US5642260AWelding power supply housingILLINOIS TOOL WORKS·Filed 1996·Granted Jun 24, 1997·97 cites·7 claims
- 0389US6611189B2Welding power supply transformerILLINOIS TOOL WORKS·Filed 2001·Granted Aug 26, 2003·29 cites·39 claims
- 0488US6633485B1Snap-in heat sink for semiconductor mountingILLINOIS TOOL WORKS·Filed 2002·Granted Oct 14, 2003·34 cites·21 claims
- 0587US5902150AConnector for a power supplyILLINOIS TOOL WORKS·Filed 1997·Granted May 11, 1999·49 cites·19 claims
- 0686US11065706B2Hybrid manual and automated weldingILLINOIS TOOL WORKS·Filed 2016·Granted Jul 20, 2021·2 cites·38 claims
- 0784US12397365B2Systems, methods, and apparatus to preheat welding wireILLINOIS TOOL WORKS·Filed 2022·Granted Aug 26, 2025·0 cites·12 claims
- 0884US6794976B2HF transformer assembly having a higher leakage inductance boost windingILLINOIS TOOL WORKS·Filed 2002·Granted Sep 21, 2004·23 cites·23 claims
- 0984US2024278349A1Reciprocating wire feed welding system and methodILLINOIS TOOL WORKS·Filed 2024·Application pending·0 cites
- 1082US10875118B2Engine driven generator for providing welding powerILLINOIS TOOL WORKS·Filed 2017·Granted Dec 29, 2020·1 cites·8 claims
- 1180US10926349B2Systems, methods, and apparatus to preheat welding wireILLINOIS TOOL WORKS·Filed 2018·Granted Feb 23, 2021·1 cites·19 claims
- 1280US2023201948A1Systems, Methods, and Apparatus to Preheat Welding WireILLINOIS TOOL WORKS·Filed 2023·Application pending·0 cites
- 1379US9289844B2Power supply chassisILLINOIS TOOL WORKS·Filed 2013·Granted Mar 22, 2016·3 cites·20 claims
- 1478US12208476B2Systems, methods, and apparatus to preheat welding wireILLINOIS TOOL WORKS·Filed 2020·Granted Jan 28, 2025·0 cites·21 claims
- 1577US8188708B2Battery charger with high frequency transformerALTEKRUSE KENNETH·Filed 2007·Granted May 29, 2012·21 cites·20 claims
- 1675US12469637B2High-frequency transformers using solid wire for welding-type power suppliesILLINOIS TOOL WORKS·Filed 2021·Granted Nov 11, 2025·0 cites·18 claims
- 1775US11969836B2Reciprocating wire feed welding system and methodILLINOIS TOOL WORKS·Filed 2020·Granted Apr 30, 2024·0 cites·13 claims
- 1874US9592565B2Integrated electrical components of a welding power supplyILLINOIS TOOL WORKS·Filed 2013·Granted Mar 14, 2017·3 cites·20 claims
- 1972US7046111B2Inductor assemblyILLINOISE TOOL WORKS INC·Filed 2002·Granted May 16, 2006·13 cites·21 claims
- 2072US6864777B2Welding power supply transformerILLINOIS TOOL WORKS·Filed 2003·Granted Mar 8, 2005·10 cites·25 claims
- 2171US6193548B1Connector for a power supplyILLINOIS TOOL WORKS·Filed 1998·Granted Feb 27, 2001·25 cites·5 claims
- 2271US2021114127A1Engine driven generator for providing welding powerILLINOIS TOOL WORKS·Filed 2020·Application pending·0 cites
- 2370US12172247B2Methods for welding with a power supply with output rectifier and phase shift double forward converterILLINOIS TOOL WORKS·Filed 2021·Granted Dec 24, 2024·0 cites·8 claims
- 2470US2025182955A1Low-leakage overmolded planar transformers for welding-type power suppliesILLINOIS TOOL WORKS·Filed 2024·Application pending·0 cites
- 2568US11590597B2Systems, methods, and apparatus to preheat welding wireILLINOIS TOOL WORKS·Filed 2018·Granted Feb 28, 2023·0 cites·19 claims
- 2667US11590598B2Systems, methods, and apparatus to preheat welding wireILLINOIS TOOL WORKS·Filed 2018·Granted Feb 28, 2023·0 cites·7 claims
- 2767US11239026B2High-frequency transformers using solid wire for welding-type power suppliesILLINOIS TOOL WORKS·Filed 2018·Granted Feb 1, 2022·0 cites·14 claims
- 2866US10730132B2Reciprocating wire feed welding system and methodILLINOIS TOOL WORKS·Filed 2016·Granted Aug 4, 2020·0 cites·29 claims
- 2965US11033977B2Welding type power supply with output rectifier and phase shift double forward converterILLINOIS TOOL WORKS·Filed 2018·Granted Jun 15, 2021·0 cites·6 claims
- 3065US2017225255A1Systems, Methods, and Apparatus to Preheat Welding WireILLINOIS TOOL WORKS·Filed 2017·Application pending·0 cites
- 3163US11617238B2Systems and methods for interchangeable induction heating systemsILLINOIS TOOL WORKS·Filed 2020·Granted Mar 28, 2023·0 cites·20 claims
- 3261US12109657B2Systems and methods for controlling drive roll contact force in welding-type systemsILLINOIS TOOL WORKS·Filed 2020·Granted Oct 8, 2024·0 cites·17 claims
- 3356US11247290B2Systems, methods, and apparatus to preheat welding wireILLINOIS TOOL WORKS·Filed 2018·Granted Feb 15, 2022·0 cites·17 claims
- 3454US10987765B2Induction weld bead shapingILLINOIS TOOL WORKS·Filed 2016·Granted Apr 27, 2021·0 cites·24 claims
- 3553US10638554B2Systems and methods for interchangeable induction heating systemsILLINOIS TOOL WORKS·Filed 2015·Granted Apr 28, 2020·0 cites·23 claims
- 3649US2021043374A1Insulated winding wire transformer for welding-type power suppliesILLINOIS TOOL WORKS·Filed 2019·Application pending·0 cites
- 3743US6163085AMethod and apparatus for selecting input voltage for a power supplyILLINOIS TOOL WORKS·Filed 1997·Granted Dec 19, 2000·9 cites·22 claims
- 3840US2004201964A1Snap-in heat sink for semiconductor mountingFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →