Patents
Patents for B25D 9 - Portable percussive tools with fluid-pressure drive, e.g. having several percussive tool bits operated simultaneously (2,753)
10/2006
10/10/2006CA2297429C Explosive powder charge operated setting tool
10/03/2006US7114576 Method and arrangement of controlling of percussive drilling based on the stress level determined from the measured feed rate
09/2006
09/28/2006WO2006100350A1 Percussion device
09/28/2006DE202006007210U1 Pneumatic drill hammer comprises grip body, pneumatic cylinder, which has a rear end fitted in the grip body, a tool connecting end and a pressure chamber
09/28/2006DE112004002298T5 Hydraulische Schlagvorrichtung Hydraulic shock device
09/27/2006CN2820457Y Dust-proof device for crushing hammer
09/26/2006US7111690 Manual slide post driver and extractor for “T”-type metal or fiberglass or plastic posts
09/21/2006WO2006097816A1 Oleodynamic percussion machine with on-off slide valve and pilot piston
09/20/2006CN2818087Y Upper-guiding case with check ring of hydraulic quartering hammer
09/20/2006CN1833826A Power tool torque overload clutch
09/20/2006CN1275740C Hammer
09/07/2006US20060196683 Impact mechanism for a repeatedly striking hand-held machine tool
09/06/2006EP1697090A1 Impact mechanism for a repeatedly striking hand-held machine tool
09/06/2006EP1697089A1 Impact tool
08/2006
08/24/2006US20060185864 Method of generating stress pulse in tool by means of pressure fluid operated impact device, and impact device
08/23/2006EP1691953A1 Pressure regulating device for a percussive hydraulic apparatus
08/16/2006CN1819898A Impact device and method for generating stress pulse therein
08/16/2006CN1819897A Method of generating stress pulse in tool by means of pressure fluid operated impact device, and impact device
08/15/2006US7090032 Electric power tool
08/10/2006US20060175091 Control valve in a percussion device and a method comprising a closed pressure space at the end position of the piston
08/03/2006US20060169468 Control valve and a method for a percussion device with a working cycle involving several coupling moments
08/02/2006CN1810408A Control system for great flow of electrohydraulic hammer
07/2006
07/27/2006US20060162961 Sonic drill
07/27/2006US20060162944 Pilot valve for a pneumatic tool
07/27/2006US20060162943 Rotary hammer
07/25/2006CA2329533C Hammer device
07/20/2006US20060157261 Double-ram striker assembly
07/20/2006US20060157259 Impact device and method for generating stress pulse therein
07/19/2006CN2796962Y Light pneumatic pick
07/18/2006US7077217 Hammer
07/13/2006WO2006072666A1 Method for controlling pressure fluid operated percussion device, and percussion device
07/11/2006US7073607 Operating system for hydraulic rock drill
07/05/2006EP1468163B1 Compressed air percussive mechanism for a down hole hammer and down hole hammer
07/05/2006CN2792723Y 液压锤 Hydraulic Hammer
07/04/2006US7070009 Vibration isolation mount system (ISO)
06/2006
06/29/2006US20060137889 Hammer mechanism for power tool
06/22/2006WO2006065155A1 Vibrational apparatus
06/22/2006CA2589046A1 Vibrational apparatus
06/21/2006CN2788983Y Efficient air pick
06/13/2006US7059424 Apparatus for rotating a threaded closure device
06/07/2006CN1782957A Compiling method and device and programme
06/06/2006US7055621 Method and apparatus for replacement of underground pipe
05/2006
05/30/2006US7051995 Device for generating a reciprocating movement, valve arrangement therefore and pheumatic tool
05/30/2006US7051525 Method and apparatus for monitoring operation of percussion device
05/26/2006WO2006054949A1 Percussion device having an adjustable stroke length
05/18/2006US20060102364 Impact mechanism for a hammer drill
05/16/2006US7044479 Steel retainer for rock drill
05/11/2006DE102005051585A1 Pneumatisches Bodenstechwerkzeug Pneumatic floor grooving tool
05/03/2006EP1651391A1 Impact device and method for generating stress pulse therein
05/03/2006EP1651390A1 Method of generating stress pulse in tool by means of pressure fluid operated impact device, and impact device
04/2006
04/27/2006WO2006043866A1 Percussion device
04/26/2006EP1540219A4 Method and apparatus for replacement of underground pipe
04/25/2006US7032688 Shock absorbing valve for a pneumatic tool
04/25/2006US7032683 Rotary hammer
04/25/2006CA2299363C Power tool
04/20/2006WO2006041376A1 Percussion device
04/20/2006CA2579924A1 Percussion device
04/19/2006EP1412606B1 Impact device
04/18/2006CA2190248C Reverse percussion device
04/13/2006WO2006003259A8 Method for controlling percussion device, software product, and percussion device
04/11/2006CA2292060C Explosive powder charge-operated setting tool
04/05/2006CN1756888A A hydraulic drill string device, in particular a hydraulic in-hole rock drilling machine
04/04/2006CA2163582C Method and apparatus for controlling the stroke of a hydraulic hammering device
03/2006
03/30/2006WO2006032734A1 Method for breaking rock
03/30/2006US20060065416 Hammer
03/29/2006CN1753761A Impact device with a rotable control valve
03/29/2006CN1753760A Control valve in a percussion device and a method comprising a closed pressure space at the end position of the piston
03/29/2006CN1247365C Impact drill or impact hammer
03/23/2006CA2520924A1 Handheld panel spacer insertion device
03/22/2006CN1750907A Control valve and a method for a percussion device with a working cycle involving several coupling moments
03/21/2006US7013996 Impact device
03/16/2006DE102004043831A1 Handwerkzeugmaschine mit Schlagbolzendichtung Hand tool with a firing pin seal
03/16/2006DE102004035306A1 Druckmittelbetriebene Schlagvorrichtung insbesondere Hydraulikhammer Fluid-pressure shock device especially hydraulic hammer
03/09/2006US20060048958 Power tool
03/09/2006US20060048955 Electric power tool having a drive mechanism that can be switched among drilling, percussion drilling, and chiseling modes of operation
03/07/2006US7007712 Pneumatic tool lock
03/02/2006WO2006022584A1 Hydraulic impact mechanism
03/02/2006WO2005110672A3 Control device for a power impact tool
03/01/2006CN2761367Y Nitrogen type hydraulic impacter
02/2006
02/22/2006CN2759709Y Pneumatic punching hammer used for horizontal directional drilling machine
02/16/2006US20060032649 Impact device with a rotable control valve
02/16/2006US20060032645 Electric hammer drill
02/15/2006CN1735486A Rock drilling machine and axial bearing
02/14/2006US6997269 Attachment for impact hammer
01/2006
01/24/2006US6988565 Retrofit kit for a modular control apparatus for a power impact tool
01/24/2006US6988563 Hammer drill
01/19/2006US20060011361 Power impact tool
01/19/2006US20060011360 Monitoring valve, rock drilling apparatus and a method for controlling at least two hydraulic actuators to such a monitoring valve and rock drilling apparatus
01/18/2006CN1236897C Hand holding tool with rotary guide pipe
01/12/2006WO2006003259A1 Method for controlling percussion device, software product, and percussion device
12/2005
12/29/2005US20050284649 Recoilless impact device
12/27/2005US6978847 Hammer
12/22/2005US20050279518 Vibration isolation mount system (ISO)
12/22/2005DE102004025951A1 Handwerkzeugmaschine, insbesondere Bohr- und/oder Schlaghammer Hand tool, in particular drilling and / or percussion hammer
12/21/2005EP1607188A1 Vibration isolation mount system
12/21/2005EP0856637B1 Shock-absorbing mechanism for hydraulic hammering device
12/21/2005CN1709026A Vibration isolation mount system (ISO)
12/15/2005WO2005118226A1 Arcuate fastener nailing device for hardwood flooring
12/15/2005CA2562970A1 Arcuate fastener nailing device for hardwood flooring
12/14/2005EP1604785A2 Striking tool
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