Inventor
Philip K. Higgins
Inventor
Florence, SC, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Kprimary
B23KSoldering or unsoldering70%
H05HPlasma technique20%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems10%
PatentTitleYear
9,908,196'Variable switching frequency power supply plasma cutters'20187,605,341'Metering system and method for supplying gas to a torch'20097,115,833'Metering system and method for supplying gas to a torch'20065,811,757'Power source including parallel switching circuits and related methods for a welding or cutting system'19985,756,963'Saturation sensing power source and related methods for a welding or cutting system'19985,290,995'Plasma arc cutting system having fluid metering and power control systems'19944,345,139'Constant current SCR power supply method and system for a welding load'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982Patents assigned to UNION CARBIDE CORP (1)· patent assignee history
1982–2018Based in Florence, SC, US· patent location history
1994Patents assigned to ESAB WELDING PRODUCTS INC (1)· patent assignee history
1994–1998Based in Society Hill, SC, US· patent location history
1998–2018Patents assigned to ESAB GROUP INC (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ESAB GROUP INC | 5 | 1998–2018 |
| ESAB WELDING PRODUCTS INC | 1 | 1994 |
| UNION CARBIDE CORP | 1 | 1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| Florence, SC, US | 4 | 1982–2018 |
| Society Hill, SC, US | 3 | 1994–1998 |