TREA

Hammer drilling machines in which the tool is hit by an impulse member

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Industry

  • CPC
  • E21C3/04
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21CMINING OR QUARRYING E21C3/00Drilling machines with reciprocating tool that is intermittently turned when out of contact with the working face

Current Industry

E21C3/04Hammer drilling machines in which the tool is hit by an impulse member
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic hammer assembly
    • Patent number 10,384,336
    • Issue date Aug 20, 2019
    • Caterpillar Inc.
    • Joshua Grzybowski
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Front head nut pocket configuration for hydraulic hammer
    • Patent number 9,279,232
    • Issue date Mar 8, 2016
    • Caterpillar Inc.
    • Rakesh Jagdale
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Rotary percussive drilling device
    • Patent number 7,404,458
    • Issue date Jul 29, 2008
    • Sandvik Mining and Construction Lyon SAS
    • Franck Leon
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hand-held hammer tool
    • Patent number 4,766,963
    • Issue date Aug 30, 1988
    • Institut Cerac SA.
    • Carl S. M. Hartwig
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Pneumatic rock drill with peripheral piston clearance space
    • Patent number 3,991,835
    • Issue date Nov 16, 1976
    • Joy Manufacturing Company
    • Edward A. Bailey
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Method and device for damping the movement of a hammer piston
    • Patent number 3,939,921
    • Issue date Feb 24, 1976
    • Atlas Copco Aktiebolag
    • Kurt Osten Brannstrom
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Lubrication of piston operated drill with central flushing tube
    • Patent number 3,939,943
    • Issue date Feb 24, 1976
    • Oy Tampella AB
    • Pekka Salmi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3910357
    • Patent number 3,910,357
    • Issue date Oct 7, 1975
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3866694
    • Patent number 3,866,694
    • Issue date Feb 18, 1975
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3800886
    • Patent number 3,800,886
    • Issue date Apr 2, 1974
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3760887
    • Patent number 3,760,887
    • Issue date Sep 25, 1973
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    1518347
    • Patent number 1,518,347
    • Issue date Dec 9, 1924
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    PERCUSSION DRILLING DEVICE
    • Publication number 20170334052
    • Publication date Nov 23, 2017
    • Tracto-Technik GmbH & Co. KG
    • Franz-Josef PÜTTMANN
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ADJUSTABLE BREAKOUT WRENCH FOR A MINING MACHINE
    • Publication number 20170234085
    • Publication date Aug 17, 2017
    • Harnischfeger Technologies, Inc.
    • Jason E. Gaska
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Front Head Nut Pocket Configuration for Hydraulic Hammer
    • Publication number 20140102740
    • Publication date Apr 17, 2014
    • Caterpillar Inc.
    • Rakesh Jagdale
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Rotary percussive drilling device
    • Publication number 20060207800
    • Publication date Sep 21, 2006
    • SANDVIK TAMROCK SECOMA SAS
    • Franck Leon
    • E21 - EARTH DRILLING MINING