Inventor · disambiguated record
Manfred Ludwig
Also filed as: LUDWIG MANFRED
22 granted patents·4 pending applications·696 citations·filing 1981–2020
96Inventor score
Top patents by PatentIndex Score
26 records- 0196US6543549B1Electrically driven hand-held toolHILTI AG·Filed 2000·Granted Apr 8, 2003·199 cites·6 claims
- 0296US4655103AClutch for power screwdriversFEIN C & E·Filed 1986·Granted Apr 7, 1987·96 cites·5 claims
- 0395US4779687AElectric tool with source of power independent of the lineFEIN C & E·Filed 1987·Granted Oct 25, 1988·114 cites·11 claims
- 0490US5868208APower toolFiled 1996·Granted Feb 9, 1999·114 cites·36 claims
- 0578US6176162B1Power-driven screwdriver with removable depth stopFEIN C & E·Filed 1999·Granted Jan 23, 2001·37 cites·21 claims
- 0674US9834955B2Installation body for door and/or window handlesHOPPE AG·Filed 2015·Granted Dec 5, 2017·5 cites·20 claims
- 0771US7861797B2Hand-held machine tool with slip clutchHILTI AG·Filed 2007·Granted Jan 4, 2011·9 cites·20 claims
- 0870US9656378B2Machine toolHILTI AG·Filed 2014·Granted May 23, 2017·5 cites·6 claims
- 0970US6547013B2Screw driving toolHILTI AG·Filed 2001·Granted Apr 15, 2003·14 cites·8 claims
- 1061US4923047AMachine with variable torque settingFEIN C & E·Filed 1988·Granted May 8, 1990·19 cites·23 claims
- 1160US10328565B2Portable power toolHILTI AG·Filed 2014·Granted Jun 25, 2019·2 cites·8 claims
- 1259US6240816B1Depth stop for a hand-held screw driving toolHILTI AG·Filed 1999·Granted Jun 5, 2001·20 cites·9 claims
- 1356US9597788B2Handheld power toolHILTI AG·Filed 2013·Granted Mar 21, 2017·1 cites·7 claims
- 1456US6978698B2Fastener guideHILTI AG·Filed 2004·Granted Dec 27, 2005·8 cites·11 claims
- 1553US11945085B2Hand-held power toolHILTI AG·Filed 2020·Granted Apr 2, 2024·0 cites·9 claims
- 1653US5207528ARetaining device for an angled driveFEIN C & E·Filed 1992·Granted May 4, 1993·15 cites·13 claims
- 1752US7137324B2Hand-held power screwdriver with a low-noise torque clutchHILTI AG·Filed 2004·Granted Nov 21, 2006·4 cites·9 claims
- 1850US2009133544A1Hand-held power tool with auxiliary handle with depth stopHILTI AG·Filed 2008·Application pending·0 cites
- 1949US9022437B2Fitting for windows or doorsLUDWIG MANFRED·Filed 2012·Granted May 5, 2015·3 cites·20 claims
- 2048US9272398B2Hand machine toolKELLER VALENTIN·Filed 2012·Granted Mar 1, 2016·1 cites·18 claims
- 2143US2004226977A1Power-operated drive-in deviceFiled 2004·Application pending·0 cites
- 2243US2009133889A1Hand-held power tool having auxiliary handle with clamping bandHILTI AG·Filed 2008·Application pending·0 cites
- 2341US5271592AThree-dimensional adjustable ceiling suspension for a surgical microscopeZEISS CARL JENA GMBH·Filed 1992·Granted Dec 21, 1993·28 cites·4 claims
- 2438US9879734B2Torque couplingSTROISSNIGG HORST·Filed 2010·Granted Jan 30, 2018·0 cites·6 claims
- 2532US2017043465A1Hand-held power toolHILTI AG·Filed 2015·Application pending·0 cites
- 2627US4490023AArrangement for test mark positioning in spheric perimetersLUDWIG MANFRED·Filed 1981·Granted Dec 25, 1984·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →