Inventor
Randall J. DuVal
Inventor
Appleton, WI, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Kprimary
B23KSoldering or unsoldering67%
H01FMagnets33%
PatentTitleYear
10,919,103Inductor and system for welding for maintaining welding arcs202110,144,082Welder generator engine speed control20189,676,053'Inductor and system for welding for maintaining welding arcs'20179,604,302'Welder generator engine speed control'20179,381,593'Engine driven welder-generator with chopper circuit'20169,266,183'Welder generator engine speed control'20168,859,937'Engine driven welder-generator with chopper circuit'20148,502,115'Engine driven welder-generator with chopper circuit'20137,315,231'Electrical reactor assembly having center taps'20086,954,131'Electrical reactor assembly having center taps'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2021Patents assigned to ILLINOIS TOOL WORKS (10)· patent assignee history
2005–2021Based in Appleton, WI, US· patent location history
2013Patents assigned to DUVAL RANDALL JOSEPH (1)· patent assignee history
2013Patents assigned to FOSBINDER DANIEL C (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ILLINOIS TOOL WORKS | 10 | 2005–2021 |
| DUVAL RANDALL JOSEPHself | 1 | 2013 |
| FOSBINDER DANIEL C | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Appleton, WI, US | 10 | 2005–2021 |