Inventor
DENNIS ROLAND SIGL
Inventor
US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Kprimary
B23KSoldering or unsoldering64%
H01FMagnets18%
H05BElectric heating9%
Y02PClimate change mitigation technologies in the production or processing of goods9%
PatentTitleYear
12,469,637High-frequency transformers using solid wire for welding-type power supplies202512,397,365Systems, methods, and apparatus to preheat welding wire202512,109,657Systems and methods for controlling drive roll contact force in welding-type systems202411,617,238Systems and methods for interchangeable induction heating systems202311,590,598Systems, methods, and apparatus to preheat welding wire202311,590,597Systems, methods, and apparatus to preheat welding wire202311,247,290Systems, methods, and apparatus to preheat welding wire202211,239,026High-frequency transformers using solid wire for welding-type power supplies2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to ILLINOIS TOOL WORKS (8)· patent assignee history
2022–2025Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ILLINOIS TOOL WORKS | 8 | 2022–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 8 | 2022–2025 |