Patents
Patents for B25D 9 - Portable percussive tools with fluid-pressure drive, e.g. having several percussive tool bits operated simultaneously (2,753)
01/2008
01/02/2008EP1232042A4 Driver for power tools
01/02/2008CN101098772A Method for controlling pressure fluid operated percussion device, and percussion device
01/02/2008CN101096088A A hammer drill and the cylinder support structure thereof
01/02/2008CN100359114C Method of overlocking at least one strand in an anchoring block and system for overlocking at least one strand in an anchoring block
12/2007
12/18/2007US7308949 Concrete drill
12/13/2007US20070284126 Pneumatic tool
12/12/2007EP1863616A1 Oleodynamic percussion machine with on-off slide valve and pilot piston
12/12/2007CN200988207Y Tool holder
12/12/2007CN100354073C Engine braker
12/12/2007CN100354072C Control valve in a percussion device and a method comprising a closed pressure space at the end position of the piston
12/11/2007US7306047 Impact hammer drill
12/06/2007US20070277991 Percussion Device
12/05/2007EP1861228A1 Percussion device
12/05/2007EP1722932B1 Hydraulic hammer
12/05/2007CN200984732Y Hydraulic breaking hammer drill-rod
12/05/2007CN100352610C Air cushion impactor
12/04/2007US7303105 Arcuate fastener nailing device for hardwood flooring
12/04/2007US7303026 Hand power tool, in particular drill hammer and/or jackhammer
11/2007
11/28/2007CN200981224Y Tool assembly with two combined main block
11/28/2007CN101077575A Split type intelligent type hydraulic hammer
11/22/2007US20070267223 Percussion Device
11/21/2007CN100349658C Hydraulic pressure crusher
11/14/2007EP1722931B1 Hydraulic breaking hammer
11/14/2007EP1697089B1 Impact tool
11/14/2007CN100348372C Striking tool
11/07/2007CN200970757Y Underwater hydraulic percussive shovel
11/06/2007US7290622 Impact device with a rotable control valve
11/01/2007US20070251731 Hydraulic Impact Mechanism
11/01/2007US20070251710 Ground Drilling Hammer and the Driving Method
11/01/2007US20070251104 Electrical hand-held saw with suction device
10/2007
10/31/2007CN200967193Y Internal combustion pneumatic drilling gun
10/25/2007US20070246236 Percussion device with a transmission element compressing an elastic energy storing material
10/24/2007EP1299213B1 Percussion hydraulic apparatus
10/17/2007EP1843875A1 Method for controlling pressure fluid operated percussion device, and percussion device
10/11/2007WO2007112994A1 A hydraulic hammer apparatus and a hydraulic ram assembly for use in same
10/10/2007EP1611310B1 A hydraulic drill string device, in particular a hydraulic in-hole rock drilling machine
10/10/2007EP1285170B1 Hydraulic percussion/pressing device
10/10/2007CN100342306C Compiling method and device and programme
10/04/2007WO2007109859A1 A supplement lubricant free pneumatic motor
10/03/2007EP1840322A1 Rotary percussion drilling device and method
10/03/2007CN200954622Y Pneumatic digger
09/2007
09/26/2007CN200951553Y Portable power chiseling hammer
09/26/2007CN100339191C Rock drilling machine and axial bearing
09/20/2007CA2680730A1 Jackhammer with a lift assist
09/19/2007EP1834810A1 Manual embossing device with compressed air drive
09/18/2007CA2335158C Percussive down-the-hole rock drilling hammer, and a piston used therein
09/18/2007CA2323950C Method and apparatus for controlling drilling of rock drill
09/13/2007DE102006010892A1 Werkzeugmaschine und Verfahren zum Betrieb einer Werkzeugmaschine Machine tool and method for operating a machine tool
09/12/2007EP1246707B1 Impact tool
09/05/2007CN200942510Y Detachable intelligent type hydraulic hammer
09/05/2007CN100335737C A hydraulic in-hole rock drilling machine
09/04/2007US7264065 Shifting device
09/04/2007US7263920 Torque impact wrench
08/2007
08/30/2007WO2007097677A1 Percussion device and rock drilling machine including such a percussion device
08/30/2007US20070199726 Implement for driving posts
08/30/2007US20070199725 Pressure-Fluid-Operated Percussion Device
08/30/2007US20070199724 Hydraulic Pressure Accumulator
08/30/2007CA2642691A1 Dust suppression boot for a power tool
08/30/2007CA2640533A1 Percussion device and rock drilling machine including such a percussion device
08/29/2007EP1825095A1 Vibrational apparatus
08/29/2007CN101027165A Method for breaking rock
08/29/2007CN101024280A Powered hammer
08/29/2007CN100333879C Hydraulic rotary-percussive hammer drill
08/22/2007CN101022924A Percussion device
08/22/2007CN101022923A Percussion device
08/22/2007CN101020309A Protection apparatus for hydraulic rock breaker against scuffing
08/15/2007CN1331639C Device for generating a reciprocating movement, valve arrangement therefore and pneumatic tool
08/14/2007US7255516 Method and apparatus for replacement of underground pipe
08/08/2007CN2930996Y 液控导轨式落锤 Pilot rail hammer
08/07/2007US7252158 Pilot valve for a pneumatic tool
08/07/2007US7252154 Percussion device with a transmission element compressing an elastic energy storing material
08/02/2007US20070175944 End cap of air-driven tool
08/02/2007US20070175670 Hydraulic breaking hammer
07/2007
07/26/2007WO2007082997A1 Measuring device, rock breaking device and method of measuring stress wave
07/26/2007WO2005087448A9 Hydraulic breaking hammer with lubricated implement guide sleeve
07/25/2007EP1809852A1 Hydraulic impact mechanism
07/25/2007CN2925689Y Electrohydraulic hammer against punch
07/25/2007CN1328015C Interchangeable work bin for tool
07/25/2007CN1328014C Fitting-up fastenr driving tool
07/25/2007CN101004218A Modified cylinder structure of pneumatic tool
07/18/2007CN2923217Y Hand-held power chisel
07/04/2007EP1802426A1 Percussion device
07/03/2007US7237706 Drop hammer
06/2007
06/28/2007WO2007073276A1 Pulse generator and impulse machine for a cutting tool
06/27/2007EP1799405A1 Percussion device
06/27/2007CN1986109A Electrohydraulic hammer
06/26/2007US7234548 Hydraulic rotary-percussive hammer drill
06/26/2007US7234537 Sonic drill
06/20/2007CN1984755A Method for controlling percussion device, software product, and percussion device
06/06/2007EP1791681A1 Method for breaking rock
05/2007
05/30/2007EP1540219B1 Method and apparatus for replacement of underground pipe
05/30/2007CN2905357Y 风镐 Pluggers
05/30/2007CN1970243A 冲击工具 Impact Tool
05/23/2007CN2902605Y Reinforced bihammer impact structure
05/18/2007WO2007054675A1 Impact machine
05/18/2007WO2007054674A1 Impact machine
05/18/2007WO2006113330B1 Flexing shift wire for pto actuation
05/16/2007CN2900096Y Hand held power drill hammer with shock reducing sheath
05/16/2007CN2900095Y Sleeving valve control nitrogen explosion hydraulic crushing hammer
05/16/2007CN2900094Y Single handle air pick
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