involving a piston-type slide valve

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  • B25D9/18
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic hammering device

    • Patent number 12,070,844
    • Issue date Aug 27, 2024
    • Furukawa Rock Drill Co., Ltd.
    • Tsutomu Kaneko
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Fluid pressure striking device

    • Patent number 11,850,717
    • Issue date Dec 26, 2023
    • TEISAKU CORPORATION
    • Masanori Ito
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Breaking hammer and method of supporting percussion piston

    • Patent number 11,828,137
    • Issue date Nov 28, 2023
    • Sandvik Mining and Construction Oy
    • Mika Oksman
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydraulic hammering device

    • Patent number 11,590,642
    • Issue date Feb 28, 2023
    • Furukawa Rock Drill Co., Ltd.
    • Tsutomu Kaneko
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Percussion apparatus provided with a centering device

    • Patent number 11,383,368
    • Issue date Jul 12, 2022
    • MONTABERT
    • Jean-Sylvain Comarmond
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Pneumatic tool

    • Patent number 11,292,116
    • Issue date Apr 5, 2022
    • Max Co., Ltd.
    • Hiroshi Tanaka
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydraulic striking device

    • Patent number 11,084,155
    • Issue date Aug 10, 2021
    • Furukawa Rock Drill Co., Ltd.
    • Toshio Matsuda
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Two-piston hydraulic striking device

    • Patent number 11,072,977
    • Issue date Jul 27, 2021
    • Furukawa Rock Drill Co., Ltd.
    • Masahiro Koizumi
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hydraulic hammer

    • Patent number 11,027,403
    • Issue date Jun 8, 2021
    • Caterpillar Inc.
    • Jordan Beckhusen
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Rock breaking device

    • Patent number 10,974,379
    • Issue date Apr 13, 2021
    • Montabert
    • Bernard Piras
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydraulic breaker capable of calculating operating time

    • Patent number 10,801,184
    • Issue date Oct 13, 2020
    • DAEMO ENGINEERING CO., LTD.
    • Jin Moo Joo
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Percussion apparatus

    • Patent number 10,569,404
    • Issue date Feb 25, 2020
    • MONTABERT
    • Jean-Sylvain Comarmond
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydraulic hammer having co-axial accumulator and piston

    • Patent number 10,562,166
    • Issue date Feb 18, 2020
    • Caterpillar Inc.
    • Cody Moore
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hammer protection system and method

    • Patent number 10,377,028
    • Issue date Aug 13, 2019
    • Caterpillar Inc.
    • Joshua Grzybowski
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Impact-driven tool

    • Patent number 10,343,272
    • Issue date Jul 9, 2019
    • NIPPON PNEUMATIC MFG. CO., LTD.
    • Yuuji Morita
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydraulic hammering device

    • Patent number 10,150,209
    • Issue date Dec 11, 2018
    • Furukawa Rock Drill Co., Ltd.
    • Toshio Matsuda
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Control of the working frequency of an impact mechanism

    • Patent number 10,035,250
    • Issue date Jul 31, 2018
    • TMT-BBG RESEARCH AND DEVELOPMENT GMBH
    • Stefan Kaindlbauer
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Impact body for hydraulic impact device

    • Patent number 9,988,843
    • Issue date Jun 5, 2018
    • Il Jae Lee
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Breaking device

    • Patent number 9,981,370
    • Issue date May 29, 2018
    • Sandvik Mining and Construction Oy
    • Timo Kela
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Method for switching the striking stroke of a striking piston of a...

    • Patent number 9,981,371
    • Issue date May 29, 2018
    • MONTABERT
    • Jean-Sylvain Comarmond
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Device in a rock drilling machine and rock drilling machine

    • Patent number 9,937,611
    • Issue date Apr 10, 2018
    • Atlas Copco Rock Drills AB
    • Erik Jakobsson
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydraulic hammer having variable stroke control

    • Patent number 9,840,000
    • Issue date Dec 12, 2017
    • Caterpillar Inc.
    • Vaino Esko Juvonen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Dual impact fluid driven hammering tool

    • Patent number 9,776,314
    • Issue date Oct 3, 2017
    • Jason Swinford
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Percussion piston

    • Patent number 9,737,983
    • Issue date Aug 22, 2017
    • Sandvik Mining and Construction Oy
    • Timo Muuttonen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Device for rock and-concrete machining

    • Patent number 9,724,813
    • Issue date Aug 8, 2017
    • Atlas Copco Rock Drills AB
    • Maria Pettersson
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydraulic hammer having delayed automatic shutoff

    • Patent number 9,701,003
    • Issue date Jul 11, 2017
    • Caterpillar Inc.
    • Cody Moore
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Self-charging hydraulic hammer

    • Patent number 9,656,377
    • Issue date May 23, 2017
    • Caterpillar Inc.
    • Cody Thomas Moore
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Automatic lubrication system with detune

    • Patent number 9,643,310
    • Issue date May 9, 2017
    • Caterpillar Inc.
    • Cody Moore
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydraulic hammer having impact system subassembly

    • Patent number 9,592,598
    • Issue date Mar 14, 2017
    • Caterpillar Inc.
    • Cody Moore
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydraulic hammer having co-axial accumulator and piston

    • Patent number 9,555,531
    • Issue date Jan 31, 2017
    • Caterpillar Inc.
    • Cody Moore
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

    BREAKING HAMMER AND METHOD OF SUPPORTING PERCUSSION PISTON

    • Publication number 20220251904
    • Publication date Aug 11, 2022
    • SANDVIK MINING AND CONSTRUCTION OY
    • Mika OKSMAN
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hydraulic Hammering Device

    • Publication number 20220055196
    • Publication date Feb 24, 2022
    • Furukawa Rock Drill Co., Ltd.
    • Tsutomu Kaneko
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    FLUIID PRESSURE STRIKING DEVICE

    • Publication number 20220024012
    • Publication date Jan 27, 2022
    • TEISAKU CORPORATION
    • Masanori ITO
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    VALVE BODY

    • Publication number 20210095776
    • Publication date Apr 1, 2021
    • VIS. LLC
    • Billy R. Lee
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Hydraulic Hammering Device

    • Publication number 20210086337
    • Publication date Mar 25, 2021
    • FURUKAWA ROCK DRILL CO., LTD.
    • Tsutomu Kaneko
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    METHOD FOR SETTING THE STRIKING STROKE OF A STRIKING PISTON OF A PE...

    • Publication number 20200368890
    • Publication date Nov 26, 2020
    • MONTABERT
    • Jean-Sylvain Comarmond
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    HYDRAULIC HAMMER

    • Publication number 20190381645
    • Publication date Dec 19, 2019
    • Caterpillar Inc.
    • Jordan Beckhusen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    PERCUSSION APPARATUS PROVIDED WITH A GUIDE BEARING EQUIPPED WITH A...

    • Publication number 20190314969
    • Publication date Oct 17, 2019
    • MONTABERT
    • Jean-Sylvain Comarmond
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    PNEUMATIC TOOL

    • Publication number 20190270190
    • Publication date Sep 5, 2019
    • MAX Co., LTD.
    • Hiroshi Tanaka
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ROCK BREAKING DEVICE

    • Publication number 20180345470
    • Publication date Dec 6, 2018
    • MONTABERT
    • Bernard Piras
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    HYDRAULIC HAMMER HAVING CO-AXIAL ACCUMULATOR AND PISTON

    • Publication number 20170087704
    • Publication date Mar 30, 2017
    • Caterpillar Inc.
    • Cody Moore
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    HYDRAULIC HAMMERING DEVICE

    • Publication number 20170001293
    • Publication date Jan 5, 2017
    • FURUKAWA ROCK DRILL CO., LTD.
    • Toshio Matsuda
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    IMPACT-DRIVEN TOOL

    • Publication number 20160318166
    • Publication date Nov 3, 2016
    • NIPPON PNEUMATIC MANUFACTURING CO., LTD.
    • Yuuji MORITA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    PERCUSSION PISTON

    • Publication number 20160144498
    • Publication date May 26, 2016
    • SANDVIK MINING AND CONSTRUCTION OY
    • Timo MUUTTONEN
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    SELF-CHARGING HYDRAULIC HAMMER

    • Publication number 20160039080
    • Publication date Feb 11, 2016
    • Caterpillar Inc.
    • Cody Thomas Moore
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    HYDRAULIC HAMMER HAVING DELAYED AUTOMATIC SHUTOFF

    • Publication number 20150336256
    • Publication date Nov 26, 2015
    • Caterpillar Inc.
    • Cody Moore
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Device In A Rock Drilling Machine And Rock Drilling Machine

    • Publication number 20150273677
    • Publication date Oct 1, 2015
    • Atlas Copco Rock Drills AB
    • Erik Jakobsson
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Method for Switching the Striking Stroke of a Striking Piston of a...

    • Publication number 20140326473
    • Publication date Nov 6, 2014
    • Jean-Sylvain Comarmond
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    CONTROL OF THE WORKING FREQUENCY OF AN IMPACT MECHANISM

    • Publication number 20140290971
    • Publication date Oct 2, 2014
    • TMT-BBG RESEARCH AND DEVELOPMENT GMBH
    • Stefan KAINDLBAUER
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    HYDRAULIC HAMMER HAVING IMPACT SYSTEM SUBASSEMBLY

    • Publication number 20140262407
    • Publication date Sep 18, 2014
    • Caterpillar Inc.
    • Cody Moore
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    HYDRAULIC HAMMER HAVING CO-AXIAL ACCUMULATOR AND PISTON

    • Publication number 20140262406
    • Publication date Sep 18, 2014
    • Caterpillar Inc.
    • Cody Moore
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ROCK DRILL

    • Publication number 20140144660
    • Publication date May 29, 2014
    • ROCKDRILL SERVICES AUSTRALIA PTY LTD.
    • Alexander Sangster
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    DEVICE FOR ROCK AND - CONCRETE MACHINING

    • Publication number 20130327555
    • Publication date Dec 12, 2013
    • Maria Pettersson
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    DEVICE AND METHOD FOR ROCK AND - CONCRETE MACHINING

    • Publication number 20130327551
    • Publication date Dec 12, 2013
    • Lennart Donsé
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    HYDRAULIC IMPACT MECHANISM FOR USE IN EQUIPMENT FOR TREATING ROCK A...

    • Publication number 20130186667
    • Publication date Jul 25, 2013
    • Maria Pettersson
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    PROPORTIONAL PILOT-CONTROLLED PNEUMATIC CONTROL SYSTEM FOR PNEUMATI...

    • Publication number 20120222762
    • Publication date Sep 6, 2012
    • GLENDO CORPORATION
    • Donald J. Glaser
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    PERCUSSION DEVICE

    • Publication number 20120018182
    • Publication date Jan 26, 2012
    • SANDVIK MINING AND CONSTRUCTION OY
    • Markku Keskiniva
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ROCK DRILLING MACHINE AND AXIAL BEARING MODULE

    • Publication number 20110240322
    • Publication date Oct 6, 2011
    • SANDVIK MINING AND CONSTRUCTION OY
    • Lars Kandelin
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    PROPORTIONAL PILOT-CONTROLLED PNEUMATIC CONTROL SYSTEM FOR PNEUMATI...

    • Publication number 20100307784
    • Publication date Dec 9, 2010
    • GLENDO CORPORATION
    • Donald J. Glaser
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    HAMMER WITH VIBRATION REDUCTION MECHANISM

    • Publication number 20100139940
    • Publication date Jun 10, 2010
    • SP AIR KABUSHIKI KAISHA
    • Shigeki Kobayashi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS