Inventor
SIGL DENNIS ROLAND
US11 patents
Patents
11 patentsUS10926349B2Feb 23, 2021
Systems, methods, and apparatus to preheat welding wire
ILLINOIS TOOL WORKS1 citations61
US12397365B2Aug 26, 2025
Systems, methods, and apparatus to preheat welding wire
ILLINOIS TOOL WORKS0 citations60
US11590597B2Feb 28, 2023
Systems, methods, and apparatus to preheat welding wire
ILLINOIS TOOL WORKS0 citations60
US12469637B2Nov 11, 2025
High-frequency transformers using solid wire for welding-type power supplies
ILLINOIS TOOL WORKS0 citations59
US11617238B2Mar 28, 2023
Systems and methods for interchangeable induction heating systems
ILLINOIS TOOL WORKS0 citations59
US11239026B2Feb 1, 2022
High-frequency transformers using solid wire for welding-type power supplies
ILLINOIS TOOL WORKS0 citations59
US12109657B2Oct 8, 2024
Systems and methods for controlling drive roll contact force in welding-type systems
ILLINOIS TOOL WORKS0 citations50
US11590598B2Feb 28, 2023
Systems, methods, and apparatus to preheat welding wire
ILLINOIS TOOL WORKS0 citations48
US10638554B2Apr 28, 2020
Systems and methods for interchangeable induction heating systems
ILLINOIS TOOL WORKS0 citations48
US10730132B2Aug 4, 2020
Reciprocating wire feed welding system and method
ILLINOIS TOOL WORKS0 citations45
US11247290B2Feb 15, 2022
Systems, methods, and apparatus to preheat welding wire
ILLINOIS TOOL WORKS0 citations44