Inventor
Bernd Engel
Inventor
Wolfenbüttel, DE
Overview
Patents· 30 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC13primary
LOC1318%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution15%
H02JElectric power networks10%
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%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material7%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications7%
Y10TTechnical subjects covered by former us classification7%
H02HEmergency protective circuit arrangements5%
B21JForging2%
B22CFoundry moulding2%
PatentTitleYear
11,004,094Systems and methods for calibrating user and consumer data20219,731,431'Motor chain saw with supply pump'20179,065,345'Transformerless inverter comprising a DC/DC converter'20158,899,194'Two-stroke engine'20148,851,262'Coupling device actuated by centrifugal force'20148,837,098'Method for limiting the generator voltage of a photovoltaic installation in case of danger and photovoltaic installation'2014RE044901'Method for converting direct voltage into three phase alternating voltage'20148,373,308'Device and method for generating alternating current'20138,138,638'DC/DC converter'20128,053,930'Solar power plant'20118,023,288'Inverter for grounded direct current source, more specifically for a photovoltaic generator'20117,768,799'Apparatus for accomodating a plurality of individual inverters'2010D0610540'Inverter'2010D0604238'Inverter'2009D0604237'Inverter'2009D0604239'Inverter'20097,576,449'Method for converting direct voltage into three-phase alternating voltage'2009D0592153'Display for inverter for photovoltaic installation'2009D0592155'Display for inverter for photovoltaic installation'2009D0592156'Display for inverter for photovoltaic installation'2009D0592154'Display for inverter for photovoltaic installation'2009D0591692'Display for inverter for photovoltaic installation'2009D0591246'Display for inverter for photovoltaic installation'2009D0590778'Display for inverter for photovoltaic installation'20096,591,650'High-pressure bulge-forming apparatus'20036,341,515'High-pressure deformation of two plates into hollow workpiece'20026,341,514'Hole punch for high-pressure shaping tool'20026,260,393'Hole punch for high-pressure shaping tool'20014,961,026'Proximity focused image intensifier having a glass spacer ring between a photocathode and a fluorescent screen disk'19904,254,437'Image intensifier attachment for attachment to the front lens of a television camera'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2003Patents assigned to SCHULER HYDROFORMING GMBH & CO (4)· patent assignee history
2001–2003Based in Burbach, DE· patent location history
2009–2015Patents assigned to SMA SOLAR TECHNOLOGY AG (17)· patent assignee history
2009–2012Based in Wolfenbüttel, DE· patent location history
2009–2010Based in Wolfenbuttel, DE· patent location history
2011–2015Based in Wolfenbuettel, DE· patent location history
2012–2015Patents assigned to ENGEL BERND (6)· patent assignee history
2013–2014Patents assigned to CRAMER GUENTHER (2)· patent assignee history
2014–2017Patents assigned to STIHL AG & CO KG ANDREAS (3)· patent assignee history
2014–2017Based in Stuttgart, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SMA SOLAR TECHNOLOGY AG | 17 | 2009–2015 |
| ENGEL BERNDself | 6 | 2012–2015 |
| SCHULER HYDROFORMING GMBH & CO | 4 | 2001–2003 |
| STIHL AG & CO KG ANDREAS | 3 | 2014–2017 |
| CRAMER GUENTHER | 2 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wolfenbüttel, DE | 8 | 2009–2012 |
| Wolfenbuttel, DE | 7 | 2009–2010 |
| Wolfenbuettel, DE | 5 | 2011–2015 |
| Burbach, DE | 4 | 2001–2003 |
| Stuttgart, DE | 3 | 2014–2017 |