Inventor · disambiguated record
Helmut Zimmermann
Also filed as: ZIMMERMANN HELMUT
41 granted patents·4 pending applications·870 citations·filing 1986–2018
98Inventor score
Files withSTIHL AG & CO KG ANDREAS23STIHL ANDREAS11STIHL MASCHF ANDREAS4SCHNEIDER AUTOMATION3ANDREAS SHIHL AG & CO1
Top patents by PatentIndex Score
45 records- 0195US6375171B1Vibration damperSTIHL MASCHF ANDREAS·Filed 2000·Granted Apr 23, 2002·88 cites·26 claims
- 0291US5491899ATensioning arrangement for a saw chainSTIHL ANDREAS·Filed 1994·Granted Feb 20, 1996·75 cites·21 claims
- 0390US6314922B1Hand-held working toolSTIHL MASCHF ANDREAS·Filed 1999·Granted Nov 13, 2001·63 cites·44 claims
- 0488US8813374B2Chain guard for a motor-driven chain saw and a carrying arrangement thereforLANK JONAS·Filed 2010·Granted Aug 26, 2014·12 cites·18 claims
- 0587US9713881B2Handheld work apparatus having a tensioning device for a chainSTIHL AG & CO KG ANDREAS·Filed 2014·Granted Jul 25, 2017·10 cites·15 claims
- 0686US8869787B2Hand-operated implement comprising a cutting chain for cutting mineral and metal materialsSTIHL AG & CO KG ANDREAS·Filed 2012·Granted Oct 28, 2014·14 cites·18 claims
- 0786US5522143ATensioning arrangement for a saw chain of a motor-driven chain sawSTIHL ANDREAS·Filed 1994·Granted Jun 4, 1996·56 cites·23 claims
- 0884US8960178B2Cutting chain for a hand-operated implement and hand-operated implementSTIHL AG & CO KG ANDREAS·Filed 2012·Granted Feb 24, 2015·7 cites·22 claims
- 0984US7942212B2Hand-guided power toolSTIHL AG & CO KG ANDREAS·Filed 2008·Granted May 17, 2011·13 cites·20 claims
- 1084US6016523AI/O modular terminal having a plurality of data registers and an identification register and providing for interfacing between field devices and a field masterSCHNEIDER AUTOMATION·Filed 1998·Granted Jan 18, 2000·133 cites·23 claims
- 1184US5353506AMotor-driven chain saw having a guide barSTIHL ANDREAS·Filed 1992·Granted Oct 11, 1994·53 cites·25 claims
- 1283US5345686ACutting arrangement for a motor-driven chain sawSTIHL ANDREAS·Filed 1993·Granted Sep 13, 1994·47 cites·35 claims
- 1383US4867270AExhaust gas muffler for a two-stroke engineSTIHL ANDREAS·Filed 1988·Granted Sep 19, 1989·57 cites·28 claims
- 1480US9138912B2Power tool with sprocket coverSTIHL AG & CO KG ANDREAS·Filed 2012·Granted Sep 22, 2015·7 cites·16 claims
- 1580US7806107B2Hand-held power toolSTIHL AG & CO KG ANDREAS·Filed 2008·Granted Oct 5, 2010·13 cites·19 claims
- 1675US10814518B2ChainsawSTIHL AG & CO KG ANDREAS·Filed 2018·Granted Oct 27, 2020·4 cites·14 claims
- 1775US5372767AMethod for applying a stopper to a ropeSTIHL ANDREAS·Filed 1992·Granted Dec 13, 1994·29 cites·16 claims
- 1873US7406771B2Protective shield for a free-cutting toolSTIHL AG & CO KG ANDREAS·Filed 2006·Granted Aug 5, 2008·11 cites·12 claims
- 1972US9470143B2Work apparatus having a braking arrangementSTIHL AG & CO KG ANDREAS·Filed 2013·Granted Oct 18, 2016·4 cites·16 claims
- 2072US6293981B1Arrangement of an air filter and a membrane carburetorANDREAS SHIHL AG & CO·Filed 2000·Granted Sep 25, 2001·22 cites·19 claims
- 2171US9181864B2Work apparatus having a fuel pumpSTIHL AG & CO KG ANDREAS·Filed 2013·Granted Nov 10, 2015·2 cites·19 claims
- 2269US11268534B2Blower wheel and power tool with an internal combustion engine and a blower wheelSTIHL AG & CO KG ANDREAS·Filed 2016·Granted Mar 8, 2022·1 cites·22 claims
- 2368US6779514B2Manually guided implementSTIHL MASCHF ANDREAS·Filed 2002·Granted Aug 24, 2004·14 cites·17 claims
- 2466US5358062APortable handheld drilling apparatusSTIHL ANDREAS·Filed 1993·Granted Oct 25, 1994·42 cites·15 claims
- 2565US7971681B2Exhaust-gas mufflerSTIHL AG & CO KG ANDREAS·Filed 2009·Granted Jul 5, 2011·3 cites·15 claims
- 2665US7424879B2Portable handheld work apparatusSTIHL AG & CO KG ANDREAS·Filed 2005·Granted Sep 16, 2008·6 cites·16 claims
- 2763US10144146B2Work deviceSTIHL AG & CO KG ANDREAS·Filed 2015·Granted Dec 4, 2018·1 cites·19 claims
- 2859US7712448B2Internal combustion engine with starter deviceSTIHL AG & CO KG ANDREAS·Filed 2008·Granted May 11, 2010·3 cites·19 claims
- 2952US7909009B2Cable retainer for an internal combustion engineSTIHL AG & CO KG ANDREAS·Filed 2008·Granted Mar 22, 2011·3 cites·24 claims
- 3052US5746160AHand-held working tool with combustion air channel arranged at blower housingSTIHL ANDREAS·Filed 1996·Granted May 5, 1998·13 cites·19 claims
- 3151US6868813B2Connecting pieceSTIHL AG & CO KG ANDREAS·Filed 2003·Granted Mar 22, 2005·6 cites·21 claims
- 3251US2011040239A1Apparatus for the production of ionized oxygen and ozone from pure oxygen and methods for using same in medical applicationsSCHNEIDER HANS-GEORG·Filed 2009·Application pending·0 cites
- 3348US6959701B2Connecting pieceSTIHL AG & CO KG ANDREAS·Filed 2003·Granted Nov 1, 2005·5 cites·14 claims
- 3446US9855672B2Handheld work apparatusSTIHL AG & CO KG ANDREAS·Filed 2015·Granted Jan 2, 2018·0 cites·16 claims
- 3546US6755160B2Internal combustion engine for a handheld portable work apparatusSTIHL MASCHF ANDREAS·Filed 2002·Granted Jun 29, 2004·3 cites·16 claims
- 3646USD442554STerminal moduleSCHNEIDER AUTOMATION·Filed 1998·Granted May 22, 2001·6 cites·1 claims
- 3746US5153967AHandle for a pull-rope starterSTIHL ANDREAS·Filed 1991·Granted Oct 13, 1992·10 cites·20 claims
- 3844US6851407B2Connecting pieceSTIHL AG & CO KG ANDREAS·Filed 2003·Granted Feb 8, 2005·3 cites·14 claims
- 3944US2017057139A1Closure and Injection Mold for Its ProductionSTIHL AG & CO KG ANDREAS·Filed 2016·Application pending·0 cites
- 4044US2013091715A1Handheld work apparatus having a guardSTIHL AG & CO KG ANDREAS·Filed 2012·Application pending·0 cites
- 4142US5582143AActuating device for a decompression valve of an internal combustion engine with cable starterSTIHL ANDREAS·Filed 1995·Granted Dec 10, 1996·10 cites·24 claims
- 4237US4615497AMethod and flutter brake for an aircraftMESSERSCHMITT BOELKOW BLOHM·Filed 1986·Granted Oct 7, 1986·14 cites·16 claims
- 4336US2011146643A1Two-Stroke EngineSTIHL AG & CO KG ANDREAS·Filed 2010·Application pending·0 cites
- 4433USD427151STerminal moduleSCHNEIDER AUTOMATION·Filed 1998·Granted Jun 27, 2000·2 cites·1 claims
- 4532US5080379AMuffler having a sheet-steel sealSTIHL ANDREAS·Filed 1990·Granted Jan 14, 1992·5 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →