Inventor · disambiguated record
Bernd Engel
Also filed as: ENGEL BERND
31 granted patents·2 pending applications·407 citations·filing 1979–2023
97Inventor score
Files withSMA SOLAR TECHNOLOGY AG14SCHULER HYDROFORMING GMBH & CO4STIHL AG & CO KG ANDREAS4ENGEL BERND2PROXITRONIC FUNK GMBH & CO KG2
Top patents by PatentIndex Score
33 records- 0194USD592156SDisplay for inverter for photovoltaic installationSMA SOLAR TECHNOLOGY AG·Filed 2008·Granted May 12, 2009·41 cites·1 claims
- 0293US8837098B2Method for limiting the generator voltage of a photovoltaic installation in case of danger and photovoltaic installationSMA SOLAR TECHNOLOGY AG·Filed 2012·Granted Sep 16, 2014·16 cites·21 claims
- 0393US7576449B2Method for converting direct voltage into three-phase alternating voltageSMA SOLAR TECHNOLOGY AG·Filed 2007·Granted Aug 18, 2009·41 cites·13 claims
- 0491USD592154SDisplay for inverter for photovoltaic installationSMA SOLAR TECHNOLOGY AG·Filed 2008·Granted May 12, 2009·29 cites·1 claims
- 0590US8899194B2Two-stroke engineENGEL BERND·Filed 2011·Granted Dec 2, 2014·10 cites·16 claims
- 0690USD592153SDisplay for inverter for photovoltaic installationSMA SOLAR TECHNOLOGY AG·Filed 2008·Granted May 12, 2009·28 cites·1 claims
- 0788US9065345B2Transformerless inverter comprising a DC/DC converterRIGBERS KLAUS·Filed 2011·Granted Jun 23, 2015·11 cites·26 claims
- 0885USD590778SDisplay for inverter for photovoltaic installationSMA TECHNOLOGIES AG·Filed 2007·Granted Apr 21, 2009·24 cites·1 claims
- 0983USD591692SDisplay for inverter for photovoltaic installationSMA TECHNOLOGIE AG·Filed 2008·Granted May 5, 2009·19 cites·1 claims
- 1081USD591246SDisplay for inverter for photovoltaic installationSMA TECHNOLOGIE AG·Filed 2008·Granted Apr 28, 2009·17 cites·1 claims
- 1178USD592155SDisplay for inverter for photovoltaic installationSMA SOLAR TECHNOLOGY AG·Filed 2008·Granted May 12, 2009·14 cites·1 claims
- 1277US8053930B2Solar power plantSMA SOLAR TECHNOLOGY AG·Filed 2009·Granted Nov 8, 2011·13 cites·11 claims
- 1377USD604237SInverterSMA SOLAR TECHNOLOGY AG·Filed 2008·Granted Nov 17, 2009·17 cites·1 claims
- 1477USD604239SInverterSMA SOLAR TECHNOLOGY AG·Filed 2008·Granted Nov 17, 2009·22 cites·1 claims
- 1573US8023288B2Inverter for grounded direct current source, more specifically for a photovoltaic generatorSMA SOLAR TECHNOLOGY AG·Filed 2008·Granted Sep 20, 2011·11 cites·17 claims
- 1673USD610540SInverterSMA SOLAR TECHNOLOGY AG·Filed 2008·Granted Feb 23, 2010·14 cites·1 claims
- 1772US8138638B2DC/DC converterMALLWITZ REGINE·Filed 2009·Granted Mar 20, 2012·9 cites·35 claims
- 1871US7768799B2Apparatus for accomodating a plurality of individual invertersSMA SOLAR TECHNOLOGY AG·Filed 2007·Granted Aug 3, 2010·10 cites·13 claims
- 1971US6260393B1Hole punch for high-pressure shaping toolSCHULER HYDROFORMING GMBH & CO·Filed 2000·Granted Jul 17, 2001·13 cites·9 claims
- 2067US6341514B2Hole punch for high-pressure shaping toolSCHULER HYDROFORMING GMBH & CO·Filed 2001·Granted Jan 29, 2002·9 cites·7 claims
- 2164US8851262B2Coupling device actuated by centrifugal forceENGEL BERND·Filed 2011·Granted Oct 7, 2014·2 cites·16 claims
- 2264USD604238SInverterSMA SOLAR TECHNOLOGY AG·Filed 2008·Granted Nov 17, 2009·10 cites·1 claims
- 2363US6591650B2High-pressure bulge-forming apparatusSCHULER HYDROFORMING GMBH & CO·Filed 2001·Granted Jul 15, 2003·9 cites·6 claims
- 2459US8373308B2Device and method for generating alternating currentSMA SOLAR TECHNOLOGY AG·Filed 2011·Granted Feb 12, 2013·1 cites·35 claims
- 2555US4961026AProximity focused image intensifier having a glass spacer ring between a photocathode and a fluorescent screen diskPROXITRONIC FUNK GMBH & CO KG·Filed 1989·Granted Oct 2, 1990·9 cites·28 claims
- 2654US11952937B2Two-stroke engineSTIHL AG & CO KG ANDREAS·Filed 2023·Granted Apr 9, 2024·0 cites·22 claims
- 2752US11441518B2Carburetor and two-stroke engine with a carburetorSTIHL AG & CO KG ANDREAS·Filed 2021·Granted Sep 13, 2022·0 cites·16 claims
- 2852US2024383028A1Method and device for bending profiles with a variable cross-sectionVOESTALPINE METAL FORMING GMBH·Filed 2021·Application pending·0 cites
- 2952US2022025836A1Fuel supply deviceSTIHL AG & CO KG ANDREAS·Filed 2021·Application pending·0 cites
- 3049USRE44901EMethod for converting direct voltage into three phase alternating voltageBECKER HOLGER·Filed 2011·Granted May 20, 2014·0 cites·30 claims
- 3149US6341515B2High-pressure deformation of two plates into hollow workpieceSCHULER HYDROFORMING GMBH & CO·Filed 2001·Granted Jan 29, 2002·3 cites·8 claims
- 3248US9731431B2Motor chain saw with supply pumpSTIHL AG & CO KG ANDREAS·Filed 2013·Granted Aug 15, 2017·0 cites·18 claims
- 3338US4254437AImage intensifier attachment for attachment to the front lens of a television cameraPROXITRONIC FUNK GMBH & CO KG·Filed 1979·Granted Mar 3, 1981·5 cites·20 claims
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