Inventor
Wilfried Groote
Inventor
Vellmar, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Jprimary
H02JElectric power networks33%
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 systems22%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution22%
G01RMeasuring electric variables11%
H02HEmergency protective circuit arrangements11%
PatentTitleYear
8,854,846'Method and apparatus for determining a fault current portion in a differential current'2014RE044901'Method for converting direct voltage into three phase alternating voltage'20148,362,658'Determination of the load capability of a DC voltage source which is connectable to an electric power grid via an inverter and a grid disconnect switch'20137,576,449'Method for converting direct voltage into three-phase alternating voltage'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2014Patents assigned to SMA SOLAR TECHNOLOGY AG (4)· patent assignee history
2009–2014Based in Vellmar, DE· patent location history
2013–2014Patents assigned to GROOTE WILFRIED (2)· patent assignee history
2013Patents assigned to AHLBORN ALEXANDER (1)· patent assignee history
2014Patents assigned to BECKER HOLGER (1)· patent assignee history
2014Patents assigned to BREMICKER SVEN (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SMA SOLAR TECHNOLOGY AG | 4 | 2009–2014 |
| GROOTE WILFRIEDself | 2 | 2013–2014 |
| AHLBORN ALEXANDER | 1 | 2013 |
| BECKER HOLGER | 1 | 2014 |
| BREMICKER SVEN | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Vellmar, DE | 4 | 2009–2014 |