Patents for B25D - Percussive tools (76) |
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06/03/2014 | US8739896 Percussion device |
04/23/2013 | US8424614 Hydraulic hammer |
09/18/2012 | CA2581325C Method for breaking rock |
08/07/2012 | CA2591893C Method for controlling pressure fluid operated percussion device, and percussion device |
05/29/2012 | CA2579149C Percussion device |
08/10/2011 | CN101018648B Impact tool with a movably supported impact mechanism |
02/22/2011 | US7891437 Method for breaking rock |
11/23/2010 | US7836969 Method for controlling pressure fluid operated percussion device, and percussion device |
04/13/2010 | US7694748 Rock breaking machine and lubricating method |
02/03/2010 | CN100586663C Method for controlling pressure fluid operated percussion device, and percussion device |
12/09/2009 | CN100566948C Method for breaking rock |
11/10/2009 | US7614460 Impact tool with a movably supported impact mechanism |
10/29/2009 | US20090266568 Method for Controlling Pressure Fluid Operated Percussion Device, and Percussion Device |
08/05/2009 | CN100522501C Percussion device |
07/15/2009 | CN100513089C Percussion device |
03/11/2009 | EP1791681B1 Method for breaking rock |
02/03/2009 | US7484570 Percussion device |
07/10/2008 | US20080164043 Impact Tool with a Movably Supported Impact Mechanism |
06/12/2008 | US20080135270 Hydraulic Hammer |
05/21/2008 | EP1722933B1 Hydraulic breaking hammer with lubricated implement guide sleeve |
03/27/2008 | US20080073095 Vibration Damped Impact Tool with Pressure Air Feed Means |
02/12/2008 | US7328753 Hydraulic breaking hammer with lubricated implement guide sleeve |
01/03/2008 | US20080000666 Method for Breaking Rock |
01/02/2008 | CN101098772A Method for controlling pressure fluid operated percussion device, and percussion device |
12/06/2007 | US20070277991 Percussion Device |
12/05/2007 | EP1722932B1 Hydraulic hammer |
11/22/2007 | US20070267223 Percussion Device |
11/14/2007 | EP1722931B1 Hydraulic breaking hammer |
10/17/2007 | EP1843875A1 Method for controlling pressure fluid operated percussion device, and percussion device |
10/10/2007 | CN100341673C Pointed tap-hole rod |
08/29/2007 | CN101027165A Method for breaking rock |
08/22/2007 | CN101022924A Percussion device |
08/22/2007 | CN101022923A Percussion device |
08/15/2007 | CN101018649A Vibration damped impact tool with pressure air feed means |
08/15/2007 | CN101018648A Impact tool with a movably supported impact mechanism |
08/02/2007 | US20070175670 Hydraulic breaking hammer |
07/26/2007 | WO2005087448A9 Hydraulic breaking hammer with lubricated implement guide sleeve |
07/25/2007 | EP1809443A1 Impact tool with a movably supported impact mechanism |
07/04/2007 | EP1802427A1 Vibration damped impact tool with pressure air feed means |
07/04/2007 | EP1802426A1 Percussion device |
06/27/2007 | EP1799405A1 Percussion device |
06/06/2007 | EP1791681A1 Method for breaking rock |
03/29/2007 | US20070068707 Hydraulic breaking hammer with lubricated implement guide sleeve |
11/22/2006 | EP1722933A1 Hydraulic breaking hammer with lubricated implement guide sleeve |
11/22/2006 | EP1722932A1 Hydraulic hammer |
11/22/2006 | EP1722931A1 Hydraulic breaking hammer |
07/13/2006 | WO2006072666A1 Method for controlling pressure fluid operated percussion device, and percussion device |
04/27/2006 | WO2006043866A1 Percussion device |
04/20/2006 | WO2006041376A1 Percussion device |
04/20/2006 | CA2579924A1 Percussion device |
03/30/2006 | WO2006032734A1 Method for breaking rock |
03/22/2006 | EP1637290A1 Power hand tool |
03/22/2006 | CN1748955A 动力手工工具 Power Hand Tools |
03/09/2006 | US20060048957 Rock breaking machine and lubricating method |
03/08/2006 | EP1632636A1 Rock breaking machine and lubricating method |
01/12/2006 | WO2006004547A1 Impact tool with a movably supported impact mechanism |
01/12/2006 | WO2006004546A1 Vibration damped impact tool with pressure air feed means |
01/03/2006 | US6981496 Point chisel |
09/22/2005 | WO2005087448A1 Hydraulic breaking hammer with lubricated implement guide sleeve |
09/22/2005 | WO2005087445A1 Hydraulic hammer |
09/22/2005 | WO2005087443A1 Hydraulic breaking hammer |
05/19/2004 | CN1496791A Pointed tap-hole rod |
04/28/2004 | EP1413403A1 Pointed chisel |
04/15/2004 | US20040069292 Point chisel |
04/08/2004 | DE10244509A1 Spitzmeissel Chisels |
02/24/1993 | EP0266408B1 An impact apparatus |
10/17/1991 | CA2040361A1 Percussion tool fluid filter apparatus |
07/11/1989 | US4846287 Impact apparatus |
05/11/1988 | EP0266408A1 An impact apparatus. |
11/19/1987 | WO1987006870A1 An impact apparatus |
09/22/1981 | CA1109362A1 Hydraulic percussive machines |
05/19/1981 | US4268236 Distribution and calibration system for expanded plastic panel manufacture |
09/25/1979 | CA1062989A1 Hammer |
02/13/1979 | CA1048487A1 Mounting for rock drills |
07/04/1978 | CA1034111A1 Hammer drills |
11/22/1977 | US4059279 Hollow percussion drill rod with seal for cleaning fluid inlet tube |