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Helmut Schlessmann
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Waiblingen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Closure cap for an operating medium tank
Patent number
11,104,224
Issue date
Aug 31, 2021
Andreas Stihl AG & Co KG
Oliver Gerstenberger
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Two-stroke engine
Patent number
8,671,897
Issue date
Mar 18, 2014
Andreas Stihl AG & Co KG
Werner Geyer
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Internal combustion engine having an elastic connecting duct
Patent number
8,516,989
Issue date
Aug 27, 2013
Andreas Stihl AG & Co. KG
Olaf Schmidt
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Exhaust-gas muffler
Patent number
7,380,637
Issue date
Jun 3, 2008
Andreas Stihl AG & Co KG
Guilherme Pizzato Sieben
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Tubular handle for a manually guided implement
Patent number
7,293,330
Issue date
Nov 13, 2007
Andreas Stihl AG & Co. KG
Andreas Guip
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Attachment pin for an exhaust-gas muffler
Patent number
7,228,935
Issue date
Jun 12, 2007
Andreas Stihl AG & Co KG
Helmut Schlessmann
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Hand-held working tool, especially trimmer
Patent number
5,842,277
Issue date
Dec 1, 1998
Andreas Stihl AG & Co.
Jurgen Haberlein
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Hand-held working tool, especially trimmer or edge cutter
Patent number
5,774,993
Issue date
Jul 7, 1998
Stihl; Andreas
Helmut Schlessmann
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Suction air filter for a combustion engine with diaphragm carburetor
Patent number
5,706,777
Issue date
Jan 13, 1998
Andreas Stihl
Helmut Schlessmann
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Internal combustion engine for a portable handheld work apparatus
Patent number
5,645,026
Issue date
Jul 8, 1997
Andreas Stihl
Helmut Schlessmann
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Drive device especially for a trimmer
Patent number
5,483,931
Issue date
Jan 16, 1996
Andreas Stihl
Gerhard Stoll
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Exchangeable sleeve bearing for a vegetation cutter apparatus
Patent number
5,414,934
Issue date
May 16, 1995
Andreas Stihl
Helmut Schlessmann
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Cable support for an electrically-operated portable handheld work a...
Patent number
5,330,138
Issue date
Jul 19, 1994
Andreas Stihl
Helmut Schlessmann
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Portable handheld tool having a drive shaft rotatably journalled in...
Patent number
5,175,932
Issue date
Jan 5, 1993
Andreas Stihl
Karl-Heinz Lange
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Closure for a vessel
Patent number
5,165,565
Issue date
Nov 24, 1992
Andreas Stihl
Helmut Schlessmann
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Closure Cap for an Operating Medium Tank
Publication number
20200101839
Publication date
Apr 2, 2020
Andreas Stihl AG & Co KG
Oliver Gerstenberger
B60 - VEHICLES IN GENERAL
Information
Patent Application
Two-Stroke Engine
Publication number
20120304973
Publication date
Dec 6, 2012
Werner Geyer
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Internal Combustion Engine Having an Elastic Connecting Duct
Publication number
20090314243
Publication date
Dec 24, 2009
Olaf Schmidt
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
Housing cover arrangement of a portable handheld work apparatus
Publication number
20060254897
Publication date
Nov 16, 2006
Claus-Peter Hamisch
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
Piston for a two-cycle engine
Publication number
20060162550
Publication date
Jul 27, 2006
Andreas Stihl AG & Co KG
Helmut Schlessmann
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Attachment pin for an exhaust-gas muffler
Publication number
20050191148
Publication date
Sep 1, 2005
Helmut Schlessmann
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Tubular handle for a manually guided implement
Publication number
20050138776
Publication date
Jun 30, 2005
Andreas Stihl AG & Co KG
Andreas Guip
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Application
Exhaust-gas muffler
Publication number
20050139418
Publication date
Jun 30, 2005
Andreas Stihl AG & Co. KG.
Guilherme Pizzato Sieben
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Elastic connecting duct
Publication number
20050045138
Publication date
Mar 3, 2005
Andreas Stihl AG & Co., KG
Olaf Schmidt
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
Catalytic converter
Publication number
20040052695
Publication date
Mar 18, 2004
Andreas Stihl AG & Co., KG
Helmut Schlessmann
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL