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