Inventor
Stefan Wolfsgruber
Inventor
Gmunden, AT
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Kprimary
B23KSoldering or unsoldering24%
H01FMagnets19%
Y02PClimate change mitigation technologies in the production or processing of goods14%
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%
H05KPrinted circuits10%
Y10TTechnical subjects covered by former us classification10%
G01RMeasuring electric variables5%
H01LSemiconductor devices5%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications5%
PatentTitleYear
10,325,720Method for producing a heavy-current transformer201910,141,106Heavy-current transformer having a multi-point contacting, transformer element, contact plate and secondary winding, and method for producing such a heavy-current transformer201810,112,253Resistance welding device comprising a power source arranged on a welding gun20189,641,093'Power source and method for cooling such a power source'20179,595,882'Synchronous rectifier'2017Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2017–2019Patents assigned to FRONIUS INT GMBH (5)· patent assignee history
2017–2019Based in Gmunden, AT· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FRONIUS INT GMBH | 5 | 2017–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Gmunden, AT | 5 | 2017–2019 |