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