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Hydraulic striking device
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Patent number 11,084,155
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Issue date Aug 10, 2021
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Furukawa Rock Drill Co., Ltd.
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Toshio Matsuda
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Pneumatic hammer
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Patent number 10,792,798
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Issue date Oct 6, 2020
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Jian-Shiou Liaw
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Percussion apparatus
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Patent number 10,569,404
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Issue date Feb 25, 2020
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MONTABERT
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Jean-Sylvain Comarmond
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Hydraulic hammering device
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Patent number 10,150,209
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Issue date Dec 11, 2018
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Furukawa Rock Drill Co., Ltd.
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Toshio Matsuda
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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-
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Percussion device
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Patent number 7,484,570
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Issue date Feb 3, 2009
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Atlas Copco Rock Drills AB
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Kurt Andersson
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Hydraulic striking mechanism
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Patent number 5,038,668
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Issue date Aug 13, 1991
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Krupp Maschinentechnik GmbH
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Friedrich-Karl Arndt
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Hydraulic impact tool
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Patent number 4,852,664
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Issue date Aug 1, 1989
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Nippon Pneumatic Manufacturing Co., Ltd.
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Hiromu Terada
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Percussive tool
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Patent number 4,819,542
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Issue date Apr 11, 1989
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Spetsialnoe Konstruktorskoe Bjuro Gidroimpulsnoi Tekhniki Sibirskogo Otdeleni...
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Petr Y. Fadeev
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Impact device
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Patent number 4,784,228
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Issue date Nov 15, 1988
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Teisaku Co., Ltd.
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Ikuo Ito
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Percussion tool
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Patent number 4,006,665
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Issue date Feb 8, 1977
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Fa. Ingenieur Gunter Klemm Spezialuntrnehmen fur Bohrtechnik
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Gunter Klemm
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B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
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3908767
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Patent number 3,908,767
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Issue date Sep 30, 1975
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B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
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2228338
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Patent number 2,228,338
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Issue date Jan 14, 1941
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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2154788
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Patent number 2,154,788
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Issue date Apr 18, 1939
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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2036651
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Patent number 2,036,651
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Issue date Apr 7, 1936
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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1975872
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Patent number 1,975,872
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Issue date Oct 9, 1934
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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1920763
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Patent number 1,920,763
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Issue date Aug 1, 1933
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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1897595
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Patent number 1,897,595
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Issue date Feb 14, 1933
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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1874190
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Patent number 1,874,190
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Issue date Aug 30, 1932
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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1855723
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Patent number 1,855,723
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Issue date Apr 26, 1932
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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1854856
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Patent number 1,854,856
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Issue date Apr 19, 1932
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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1813773
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Patent number 1,813,773
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Issue date Jul 7, 1931
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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1809952
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Patent number 1,809,952
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Issue date Jun 16, 1931
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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1805921
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Patent number 1,805,921
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Issue date May 19, 1931
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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1805695
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Patent number 1,805,695
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Issue date May 19, 1931
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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1796389
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Patent number 1,796,389
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Issue date Mar 17, 1931
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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1780725
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Patent number 1,780,725
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Issue date Nov 4, 1930
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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1779108
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Patent number 1,779,108
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Issue date Oct 21, 1930
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS