Inventor
ZIMMERMANN HELMUT
DE42 patents
⚠️ This page may combine multiple inventors who share the name “ZIMMERMANN HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
STIHL AG & CO KG ANDREAS
20 patentsUS7942212B2May 17, 2011
Hand-guided power tool
STIHL AG & CO KG ANDREAS13 citations84
US9713881B2Jul 25, 2017
Handheld work apparatus having a tensioning device for a chain
STIHL AG & CO KG ANDREAS10 citations83
US8960178B2Feb 24, 2015
Cutting chain for a hand-operated implement and hand-operated implement
STIHL AG & CO KG ANDREAS7 citations83
US7406771B2Aug 5, 2008
Protective shield for a free-cutting tool
STIHL AG & CO KG ANDREAS11 citations83
US7806107B2Oct 5, 2010
Hand-held power tool
STIHL AG & CO KG ANDREAS13 citations82
US9138912B2Sep 22, 2015
Power tool with sprocket cover
STIHL AG & CO KG ANDREAS7 citations79
US8869787B2Oct 28, 2014
Hand-operated implement comprising a cutting chain for cutting mineral and metal materials
STIHL AG & CO KG ANDREAS14 citations77
US9470143B2Oct 18, 2016
Work apparatus having a braking arrangement
STIHL AG & CO KG ANDREAS4 citations72
US10814518B2Oct 27, 2020
Chainsaw
STIHL AG & CO KG ANDREAS4 citations66
US7712448B2May 11, 2010
Internal combustion engine with starter device
STIHL AG & CO KG ANDREAS3 citations63
US9181864B2Nov 10, 2015
Work apparatus having a fuel pump
STIHL AG & CO KG ANDREAS2 citations62
US7971681B2Jul 5, 2011
Exhaust-gas muffler
STIHL AG & CO KG ANDREAS3 citations60
US6959701B2Nov 1, 2005
Connecting piece
STIHL AG & CO KG ANDREAS5 citations60
US6868813B2Mar 22, 2005
Connecting piece
STIHL AG & CO KG ANDREAS6 citations60
US6851407B2Feb 8, 2005
Connecting piece
STIHL AG & CO KG ANDREAS3 citations60
US7424879B2Sep 16, 2008
Portable handheld work apparatus
STIHL AG & CO KG ANDREAS6 citations57
US11268534B2Mar 8, 2022
Blower wheel and power tool with an internal combustion engine and a blower wheel
STIHL AG & CO KG ANDREAS1 citations56
US10144146B2Dec 4, 2018
Work device
STIHL AG & CO KG ANDREAS1 citations51
US7909009B2Mar 22, 2011
Cable retainer for an internal combustion engine
STIHL AG & CO KG ANDREAS3 citations50
US9855672B2Jan 2, 2018
Handheld work apparatus
STIHL AG & CO KG ANDREAS0 citations49
STIHL ANDREAS
11 patentsUS5522143AJun 4, 1996
Tensioning arrangement for a saw chain of a motor-driven chain saw
STIHL ANDREAS56 citations96
US5491899AFeb 20, 1996
Tensioning arrangement for a saw chain
STIHL ANDREAS75 citations96
US4867270ASep 19, 1989
Exhaust gas muffler for a two-stroke engine
STIHL ANDREAS57 citations95
US5358062AOct 25, 1994
Portable handheld drilling apparatus
STIHL ANDREAS42 citations92
US5353506AOct 11, 1994
Motor-driven chain saw having a guide bar
STIHL ANDREAS53 citations92
US5345686ASep 13, 1994
Cutting arrangement for a motor-driven chain saw
STIHL ANDREAS47 citations92
US5372767ADec 13, 1994
Method for applying a stopper to a rope
STIHL ANDREAS29 citations90
US5746160AMay 5, 1998
Hand-held working tool with combustion air channel arranged at blower housing
STIHL ANDREAS13 citations74
US5153967AOct 13, 1992
Handle for a pull-rope starter
STIHL ANDREAS10 citations74
US5582143ADec 10, 1996
Actuating device for a decompression valve of an internal combustion engine with cable starter
STIHL ANDREAS10 citations73
US5080379AJan 14, 1992
Muffler having a sheet-steel seal
STIHL ANDREAS5 citations63
STIHL MASCHF ANDREAS
4 patentsUS6375171B1Apr 23, 2002
Vibration damper
STIHL MASCHF ANDREAS88 citations96
US6314922B1Nov 13, 2001
Hand-held working tool
STIHL MASCHF ANDREAS63 citations94
US6779514B2Aug 24, 2004
Manually guided implement
STIHL MASCHF ANDREAS14 citations83
US6755160B2Jun 29, 2004
Internal combustion engine for a handheld portable work apparatus
STIHL MASCHF ANDREAS3 citations63
SCHNEIDER AUTOMATION
3 patentsUS6016523AJan 18, 2000
I/O modular terminal having a plurality of data registers and an identification register and providing for interfacing between field devices and a field master
SCHNEIDER AUTOMATION133 citations92
USD442554SMay 22, 2001
Terminal module
SCHNEIDER AUTOMATION6 citations72
USD427151SJun 27, 2000
Terminal module
SCHNEIDER AUTOMATION2 citations61