Inventor · disambiguated record
Heinrich Leufen
Also filed as: LEUFEN HEINRICH
18 granted patents·1 pending application·243 citations·filing 1999–2021
94Inventor score
Files withSTIHL AG & CO KG ANDREAS12LEUFEN HEINRICH3GORENFLO ERNST2ANDREAS STIHL AG & CO BADSTR1ANDREAS STIHL AG & CO FA1
Top patents by PatentIndex Score
19 records- 0198US7809495B2Portable hand-held power tool having a data connection for diagnostic purposesSTIHL AG & CO KG ANDREAS·Filed 2007·Granted Oct 5, 2010·97 cites·26 claims
- 0291US7281501B2Magnet wheel of an internal combustion engineSTIHL AG & CO KG ANDREAS·Filed 2005·Granted Oct 16, 2007·24 cites·14 claims
- 0390US7538503B2Hand-held power tool, in particular a trimmer or the like, having an electric drive motorSTIHL AG & CO KG ANDREAS·Filed 2007·Granted May 26, 2009·29 cites·18 claims
- 0485US9140204B2Handheld work apparatus having an air-cooled combustion engineGORENFLO ERNST·Filed 2010·Granted Sep 22, 2015·9 cites·30 claims
- 0583US9366220B2Method for operating an internal combustion engine of a hand-guided power toolSTIHL AG & CO KG ANDREAS·Filed 2013·Granted Jun 14, 2016·7 cites·19 claims
- 0679US7325528B2Method of operating a single cylinder two-stroke engineSTIHL AG & CO KG ANDREAS·Filed 2006·Granted Feb 5, 2008·11 cites·19 claims
- 0777US10063165B2Method and apparatus for the detection of the position of an operating switch for starting an electric motorSTIHL AG & CO KG ANDREAS·Filed 2017·Granted Aug 28, 2018·2 cites·16 claims
- 0872US9068545B2Method and device for providing electric energy for an engine control unitGORENFLO ERNST·Filed 2010·Granted Jun 30, 2015·3 cites·17 claims
- 0971US7363910B2Ignition circuit having a high-energy spark for an internal combustion engineSTIHL AG & CO KG ANDREAS·Filed 2006·Granted Apr 29, 2008·7 cites·16 claims
- 1071US6232672B1Hand-held work tool with a generatorANDREAS STIHL AG & CO FA·Filed 1999·Granted May 15, 2001·34 cites·10 claims
- 1166US7816796B2Hand-held power tool and method for operating a heating device of a hand-held power toolSTIHL AG & CO KG ANDREAS·Filed 2007·Granted Oct 19, 2010·5 cites·18 claims
- 1264US7974767B2Method for detecting operating parameters of a power tool comprising an internal combustion engineSTIHL AG & CO KG ANDREAS·Filed 2007·Granted Jul 5, 2011·5 cites·28 claims
- 1364US7859124B2Internal combustion engine with alternatorSTIHL AG & CO KG ANDREAS·Filed 2007·Granted Dec 28, 2010·5 cites·37 claims
- 1458US7894974B2Method for operating a two-stroke engineSTIHL AG & CO KG ANDREAS·Filed 2008·Granted Feb 22, 2011·4 cites·19 claims
- 1554US11997960B2Hand-guided gardening, forestry and/or construction processing device and method for operating a hand-guided gardening, forestry and/or construction processing deviceSTIHL AG & CO KG ANDREAS·Filed 2021·Granted Jun 4, 2024·0 cites·17 claims
- 1654US8833322B2Handheld work apparatus having a control unit for an electric heating elementLEUFEN HEINRICH·Filed 2011·Granted Sep 16, 2014·1 cites·9 claims
- 1741US2003097730A1Heating device, especially for handle of a portable implementANDREAS STIHL AG & CO BADSTR·Filed 2002·Application pending·0 cites
- 1838US8428847B2Ignition module having a bus lineLEUFEN HEINRICH·Filed 2010·Granted Apr 23, 2013·0 cites·14 claims
- 1929US8667955B2Handheld work apparatus having a control unit for operating an electric loadLEUFEN HEINRICH·Filed 2012·Granted Mar 11, 2014·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →