having a tubular-slide valve, which is not coaxial with the piston

Patents Grantslast 30 patents

  • 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

    Pneumatic hammer

    • Patent number 10,792,798
    • Issue date Oct 6, 2020
    • Jian-Shiou Liaw
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • 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 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

    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

    Valve device for a percussion device and a percussion device for a...

    • Patent number 7,896,100
    • Issue date Mar 1, 2011
    • Atlas Copco Rock Drills AB
    • Kurt Andersson
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Percussion device

    • Patent number 7,484,570
    • Issue date Feb 3, 2009
    • Atlas Copco Rock Drills AB
    • Kurt Andersson
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydraulic striking mechanism

    • Patent number 5,038,668
    • Issue date Aug 13, 1991
    • Krupp Maschinentechnik GmbH
    • Friedrich-Karl Arndt
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydraulic impact tool

    • Patent number 4,852,664
    • Issue date Aug 1, 1989
    • Nippon Pneumatic Manufacturing Co., Ltd.
    • Hiromu Terada
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Synchronized hydraulic hammer arrangement

    • Patent number 4,825,960
    • Issue date May 2, 1989
    • Molex Incorporated
    • John J. Krone
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Percussive tool

    • Patent number 4,819,542
    • Issue date Apr 11, 1989
    • Spetsialnoe Konstruktorskoe Bjuro Gidroimpulsnoi Tekhniki Sibirskogo Otdeleni...
    • Petr Y. Fadeev
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Impact device

    • Patent number 4,784,228
    • Issue date Nov 15, 1988
    • Teisaku Co., Ltd.
    • Ikuo Ito
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Percussion tool

    • Patent number 4,006,665
    • Issue date Feb 8, 1977
    • Fa. Ingenieur Gunter Klemm Spezialuntrnehmen fur Bohrtechnik
    • Gunter Klemm
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    3908767

    • Patent number 3,908,767
    • Issue date Sep 30, 1975
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    2228338

    • Patent number 2,228,338
    • Issue date Jan 14, 1941
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    2154788

    • Patent number 2,154,788
    • Issue date Apr 18, 1939
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    2036651

    • Patent number 2,036,651
    • Issue date Apr 7, 1936
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    1975872

    • Patent number 1,975,872
    • Issue date Oct 9, 1934
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    1920763

    • Patent number 1,920,763
    • Issue date Aug 1, 1933
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    1897595

    • Patent number 1,897,595
    • Issue date Feb 14, 1933
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    1874190

    • Patent number 1,874,190
    • Issue date Aug 30, 1932
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    1855723

    • Patent number 1,855,723
    • Issue date Apr 26, 1932
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    1854856

    • Patent number 1,854,856
    • Issue date Apr 19, 1932
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    1813773

    • Patent number 1,813,773
    • Issue date Jul 7, 1931
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    1809952

    • Patent number 1,809,952
    • Issue date Jun 16, 1931
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    1805921

    • Patent number 1,805,921
    • Issue date May 19, 1931
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    1805695

    • Patent number 1,805,695
    • Issue date May 19, 1931
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    1796389

    • Patent number 1,796,389
    • Issue date Mar 17, 1931
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    1780725

    • Patent number 1,780,725
    • Issue date Nov 4, 1930
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    1779108

    • Patent number 1,779,108
    • Issue date Oct 21, 1930
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

    PNEUMATIC HAMMER

    • Publication number 20200078917
    • Publication date Mar 12, 2020
    • JIAN-SHIOU LIAW
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    PERCUSSION APPARATUS

    • Publication number 20170312901
    • Publication date Nov 2, 2017
    • MONTABERT
    • Jean-Sylvain Comarmond
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Valve device for a percussion device and a percussion device for a...

    • Publication number 20090229843
    • Publication date Sep 17, 2009
    • Kurt Andersson
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Percussion Device

    • Publication number 20070277991
    • Publication date Dec 6, 2007
    • Kurt Andersson
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Percussion Device

    • Publication number 20070267223
    • Publication date Nov 22, 2007
    • ATLAS COPCO ROCK DRILLS AB
    • Kurt Andersson
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS