Transmission clutches specially designed for chain saws

Patents Grantslast 30 patents

  • Information Patent Grant

    Chain saw

    • Patent number 12,145,289
    • Issue date Nov 19, 2024
    • Nanjing Chervon Industry Co., LTD
    • Yang Lu
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Low profile chainsaw

    • Patent number 11,679,525
    • Issue date Jun 20, 2023
    • Black & Decker, Inc.
    • Jason C. McRoberts
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Hand-held power tool and thereto related control system and use and...

    • Patent number 10,914,245
    • Issue date Feb 9, 2021
    • Husqvarna AB
    • Mikael Larsson
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Low profile chainsaw

    • Patent number 10,882,206
    • Issue date Jan 5, 2021
    • Black & Decker, Inc.
    • Jason C. McRoberts
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Engine-driven working machine

    • Patent number 10,648,415
    • Issue date May 12, 2020
    • Yamabiko Corporation
    • Minoru Kuroiwa
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Automated dressing unit for a chain saw

    • Patent number 10,625,354
    • Issue date Apr 21, 2020
    • KOKI HOLDINGS CO., LTD.
    • Kenji Naganuma
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hand-held power tool, related control system and its use, and metho...

    • Patent number 10,436,135
    • Issue date Oct 8, 2019
    • Husqvarna AB
    • Mikael Larsson
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hand-held power tool

    • Patent number 9,610,700
    • Issue date Apr 4, 2017
    • Andreas Stihl AG & Co KG
    • Markus Hittmann
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Wall or floor chainsaw

    • Patent number 9,539,740
    • Issue date Jan 10, 2017
    • Husqvarna AB
    • Andreas Jonsson
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hand-held power tool with a clutch and method for producing a groov...

    • Patent number 9,518,616
    • Issue date Dec 13, 2016
    • Andreas Stihl AG & Co KG
    • Günter Wolf
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Chain saw

    • Patent number 9,044,875
    • Issue date Jun 2, 2015
    • Hitachi Koki Co., Ltd.
    • Yasutaka Shimizu
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Wall or floor chainsaw

    • Patent number 8,955,505
    • Issue date Feb 17, 2015
    • Husqvarna AB
    • Andreas Jönsson
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Size and weight saving clutch drum of a centrifugal clutch

    • Patent number 8,622,183
    • Issue date Jan 7, 2014
    • Husqvarna AB
    • Pär Martinsson
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Welded chain wheel

    • Patent number 7,779,981
    • Issue date Aug 24, 2010
    • Dolmar GmbH
    • Jochen Siegmund
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Assisted braking in chain saws

    • Patent number 7,640,669
    • Issue date Jan 5, 2010
    • William C. King
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Clutch type safety switch for power tools

    • Patent number 6,698,566
    • Issue date Mar 2, 2004
    • Jenn Feng Industrial Co., Ltd.
    • Jung-Chang Jong
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Work apparatus having a centrifugal clutch

    • Patent number 6,502,315
    • Issue date Jan 7, 2003
    • Andreas Stihl AG & Co.
    • Johannes Menzel
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Clutch structure

    • Patent number 6,253,896
    • Issue date Jul 3, 2001
    • John Arthur Notaras
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Dog clutch mechanism

    • Patent number 6,206,162
    • Issue date Mar 27, 2001
    • Black & Decker, Inc.
    • Kevin Stones
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Centrifugal clutch

    • Patent number 5,845,757
    • Issue date Dec 8, 1998
    • Ryobi North America, Inc.
    • Bela I. Csonka
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Centrifugal clutch

    • Patent number 5,577,587
    • Issue date Nov 26, 1996
    • Aktiebolaget Electrolux
    • Hans G. Jansson
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Drill rig shut-off system

    • Patent number 5,085,280
    • Issue date Feb 4, 1992
    • Central Mine Equipment Company
    • Charles L. Rassieur
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Power work-machine

    • Patent number 5,014,835
    • Issue date May 14, 1991
    • Kioritz Corporation
    • Akira Nagashima
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Centrifugal clutch

    • Patent number 4,819,779
    • Issue date Apr 11, 1989
    • Andreas Stihl
    • Hans Nickel
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Centrigugal clutch

    • Patent number 4,813,525
    • Issue date Mar 21, 1989
    • Aktiebolaget Electrolux
    • Bo R. Rangert
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Chain saw with a stopping device

    • Patent number 4,782,593
    • Issue date Nov 8, 1988
    • Metabowerke GmbH & Co.
    • Hermann Kieser
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Releasable engine coupling arrangement

    • Patent number 4,757,786
    • Issue date Jul 19, 1988
    • Sidney W. Ellegard
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Centrifugal clutch

    • Patent number 4,756,396
    • Issue date Jul 12, 1988
    • Kioritz Corporation
    • Akira Nagashima
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Centrifugal clutch

    • Patent number 4,635,777
    • Issue date Jan 13, 1987
    • Andreas Stihl
    • Hans Nickel
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Centrifugal clutch

    • Patent number 4,625,849
    • Issue date Dec 2, 1986
    • Andreas Stihl
    • Reinhard Gommel
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...

Patents Applicationslast 30 patents

  • Information Patent Application

    CHAINSAWS, METHODS OF CONTROLLING CHAINSAWS, AND COMPUTER PROGRAMS...

    • Publication number 20240399608
    • Publication date Dec 5, 2024
    • HUSQVARNA AB
    • Martin Larsen
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    MULTI-SPEED AUTOMATIC TRANSMISSION FOR A POWER TOOL

    • Publication number 20230415322
    • Publication date Dec 28, 2023
    • Milwaukee Electric Tool Corporation
    • David B. Marolla
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    CHAINSAW SHARPENING FEATURES AND DEVICES

    • Publication number 20230356427
    • Publication date Nov 9, 2023
    • Milwaukee Electric Tool Corporation
    • Scott Libert
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CHAIN SAW

    • Publication number 20210339421
    • Publication date Nov 4, 2021
    • Nanjing Chervon Industry Co., Ltd.
    • Yang Lu
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    LOW PROFILE CHAINSAW

    • Publication number 20210086394
    • Publication date Mar 25, 2021
    • Black & Decker, Inc.
    • Jason C. McRoberts
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    POWER TOOL INCLUDING A LIGHT-DUTY COMBUSTION ENGINE

    • Publication number 20200269409
    • Publication date Aug 27, 2020
    • WALBRO LLC
    • Matthew A. Braun
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    CHAIN SAW

    • Publication number 20190366580
    • Publication date Dec 5, 2019
    • Nanjing Chervon Industry Co., Ltd.
    • Yang Lu
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    HAND-HELD POWER TOOL AND THERETO RELATED CONTROL SYSTEM AND USE AND...

    • Publication number 20180363571
    • Publication date Dec 20, 2018
    • HUSQVARNA AB
    • Mikael Larsson
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    HAND-HELD POWER TOOL, RELATED CONTROL SYSTEM AND ITS USE, AND METHO...

    • Publication number 20180355810
    • Publication date Dec 13, 2018
    • HUSQVARNA AB
    • Mikael Larsson
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    LOW PROFILE CHAINSAW

    • Publication number 20180186027
    • Publication date Jul 5, 2018
    • Black & Decker Inc.
    • Jason C. McROBERTS
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    CHAIN SAW

    • Publication number 20180133822
    • Publication date May 17, 2018
    • Hitachi Koki Co., Ltd.
    • Kenji NAGANUMA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Hand-held power tool with a clutch and method for producing a groov...

    • Publication number 20150285315
    • Publication date Oct 8, 2015
    • Andreas Stihl AG & Co KG
    • Günter Wolf
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    WALL OR FLOOR CHAINSAW

    • Publication number 20150158202
    • Publication date Jun 11, 2015
    • HUSQVARNA AB
    • Andreas Jönsson
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    WALL OR FLOOR CHAINSAW

    • Publication number 20130306047
    • Publication date Nov 21, 2013
    • HUSQVARNA AB
    • Andreas Jonsson
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CHAIN SAW

    • Publication number 20130180118
    • Publication date Jul 18, 2013
    • Hitachi Koki Co., Ltd.
    • Yasutaka Shimizu
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    Hand-Held Power Tool

    • Publication number 20120036722
    • Publication date Feb 16, 2012
    • Andreas Stihl AG & Co KG
    • Markus Hittmann
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    SIZE AND WEIGHT SAVING CLUTCH DRUM OF A CENTRIFUGAL CLUTCH

    • Publication number 20110005888
    • Publication date Jan 13, 2011
    • HUSQVARNA AB
    • Par Martinsson
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    WELDED CHAIN WHEEL

    • Publication number 20060266613
    • Publication date Nov 30, 2006
    • DOLMAR GmbH
    • Jochen Siegmund
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    Clutch type safety switch for power tools

    • Publication number 20030088987
    • Publication date May 15, 2003
    • Jung-Chang Jong
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    Work apparatus having a centrifugal clutch

    • Publication number 20010008045
    • Publication date Jul 19, 2001
    • Johannes Menzel
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...