Inventor · disambiguated record
Norbert Apfel
Also filed as: APFEL NORBERT
13 granted patents·2 pending applications·187 citations·filing 1986–2015
92Inventor score
Top patents by PatentIndex Score
15 records- 0185US9573294B2Chain for a work implement, method for producing a stud for a chain and method for producing a driving member for a chainSTIHL AG & CO KG ANDREAS·Filed 2015·Granted Feb 21, 2017·5 cites·16 claims
- 0277USD493476SMulti-bladed thicket knifeSTIHL AG & CO KG ANDREAS·Filed 2003·Granted Jul 27, 2004·23 cites·1 claims
- 0370US4693007AGuide bar for a chain sawSTIHL ANDREAS·Filed 1986·Granted Sep 15, 1987·27 cites·17 claims
- 0469US4903410AGuide bar for a chain sawSTIHL ANDREAS·Filed 1988·Granted Feb 27, 1990·27 cites·34 claims
- 0567US5249363AGuide bar having a lamellar assembly and method of making the sameSTIHL ANDREAS·Filed 1992·Granted Oct 5, 1993·29 cites·32 claims
- 0660US5386756ASaw chain for a motor-driven chain sawSTIHL ANDREAS·Filed 1993·Granted Feb 7, 1995·21 cites·38 claims
- 0759US4961263AGuide bar of solid material for the saw chain of a motor chain sawSTIHL ANDREAS·Filed 1989·Granted Oct 9, 1990·17 cites·24 claims
- 0854US9624993B2Hand-held work implement and process for producing a braking device of a hand-held work implementSTIHL AG & CO KG ANDREAS·Filed 2014·Granted Apr 18, 2017·1 cites·14 claims
- 0954US4768289ACobalt base alloy coating for a guide bar of a chain sawSTIHL ANDREAS·Filed 1987·Granted Sep 6, 1988·15 cites·10 claims
- 1053US10307930B2Guide bar for a saw chain having a reduced-wear direction-reversing sectionSTIHL AG & CO KG ANDREAS·Filed 2014·Granted Jun 4, 2019·1 cites·22 claims
- 1153US4794696AGuide bar for a motor-driven chain sawSTIHL ANDREAS·Filed 1987·Granted Jan 3, 1989·14 cites·10 claims
- 1244US2013185946A1Cutter head of a manually guided implementSTIHL AG & CO KG ANDREAS·Filed 2013·Application pending·0 cites
- 1340US2010229403A1Cutter Head of a Manually Guided ImplementSTIHL AG & CO KG ANDREAS·Filed 2010·Application pending·0 cites
- 1436US7225713B2Cutting blade for a motor-driven, manually-guided implementSTIHL MASCHF ANDREAS·Filed 2001·Granted Jun 5, 2007·1 cites·10 claims
- 1533US5655304AGuide bar with attached wear protectorSTIHL ANDREAS·Filed 1995·Granted Aug 12, 1997·6 cites·30 claims
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