| 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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| 04/23/2009 | US20090101378 Water Powered Impulsive Unit |
| 04/23/2009 | US20090101377 Breaking machine |
| 04/22/2009 | CN101415913A A supplement lubricant free pneumatic motor |
| 04/16/2009 | US20090095498 Percussive Device for a Rock Drilling Machine, Method for Achieving a Reciprocating Piston Movement and Rock Drilling Machine |
| 04/16/2009 | DE102007049359A1 Handheld machine tool i.e. drill and/or chisel hammer, has hammer tube exhibiting even wall thickness in longitudinal extension, where tube and components are connected by material-locking process or laser welding process |
| 04/14/2009 | US7516801 Impact mechanism for a repeatedly striking hand-held machine tool |
| 04/09/2009 | WO2009043414A1 Implement having rotational speed reduction and operating method therefor |
| 04/09/2009 | US20090090525 Rock breaking device, protection valve and a method of operating a rock breaking device |
| 04/08/2009 | EP2045492A2 Rock breaking device, protection valve and a method of operating a rock breaking device |
| 04/02/2009 | DE102007046603A1 Arbeitsgerät mit Drehzahlabsenkung und Arbeitsverfahren dafür Implement with speed reduction and the procedures for |
| 04/01/2009 | CN201214234Y Non-nitrogen chamber hydraulic breaking hammer with built-in valve |
| 04/01/2009 | CN100473475C Top flush prevention electrohydraulic hammer |
| 03/26/2009 | US20090078468 Rock drill machine |
| 03/17/2009 | US7503402 Power tool having lubricant leakage preventing structure |
| 03/12/2009 | US20090065231 Reciprocating pneumatic tool mechanism |
| 03/12/2009 | US20090065230 Impulse generator and impulse tool with impulse generator |
| 03/12/2009 | US20090065229 Impact torque adjusting device of hydraulic torque wrench |
| 03/11/2009 | EP2032316A2 Percussion equipment driven by a pressurized incompressible fluid |
| 03/11/2009 | EP1791681B1 Method for breaking rock |
| 03/04/2009 | EP2029325A2 Delayed compression sleeve hammer |
| 03/04/2009 | CN201201227Y Split type hydraulic hammer with guide means |
| 03/04/2009 | CN201201226Y Plunger piston of hydraulic hammer impacter |
| 03/04/2009 | CN201201224Y Hydraulic hammer with locating device |
| 03/04/2009 | CN201201223Y Nitrogen explosion type hydraulic hammer impacter |
| 03/04/2009 | CN201201222Y Split type hydraulic hammer |
| 02/26/2009 | US20090055634 Compiling method, apparatus, and program |
| 02/19/2009 | WO2009021282A1 Recoilless hammer |
| 02/19/2009 | US20090044962 Intensifying cylinder |
| 02/19/2009 | CA2696123A1 Recoilless hammer |
| 02/18/2009 | CN101371098A Measuring device, rock breaking device and method of measuring stress wave |
| 02/18/2009 | CN101370621A Percussion device and rock drilling machine including such a percussion device |
| 02/11/2009 | CN201192836Y Pneumatic breaking pickaxe |
| 02/04/2009 | CN100457398C Split type intelligent type hydraulic hammer |
| 02/03/2009 | US7484570 Percussion device |
| 01/29/2009 | WO2008149030A3 Percussion device actuated by a pressurised non compressible fluid |
| 01/29/2009 | US20090025948 Percussion Device |
| 01/22/2009 | DE102007000391A1 Handwerkzeugmaschine mit Schlagwerk Hand tool with percussion |
| 01/21/2009 | CN101347814A Convenient hydraulic electrohydraulic hammer |
| 01/20/2009 | US7478648 Hydraulic pressure accumulator |
| 01/15/2009 | WO2009008844A1 Hydraulic pick |
| 01/08/2009 | WO2009005436A1 Fuel-powered rock breaker |
| 01/08/2009 | DE102007030544A1 Vorrichtung zur Bearbeitung von Werkstücken Apparatus for machining of workpieces |
| 01/07/2009 | EP2011605A2 Hydraulically activated hand tool |
| 01/07/2009 | CN101341005A Pulse generator and impulse machine for a cutting tool |
| 01/01/2009 | US20090000801 Process for Determining Usage Data for a Portable Hand-Activated Apparatus and the Device for Implementing the Process |
| 01/01/2009 | US20090000798 Ram For Powered Hammer |
| 12/31/2008 | EP2008506A1 Manually operated work device |
| 12/31/2008 | CN201172204Y Electric hammer adding with isolation mechanism |
| 12/24/2008 | EP2004916A1 A hydraulic hammer apparatus and a hydraulic ram assembly for use in same |
| 12/24/2008 | EP1755833A4 Arcuate fastener nailing device for hardwood flooring |
| 12/18/2008 | US20080308604 Cable driven surgical stapling and cutting instrument with apparatus for preventing inadvertant cable disengagement |
| 12/18/2008 | US20080308603 Cable driven surgical stapling and cutting instrument with improved cable attachment arrangements |
| 12/18/2008 | US20080308286 Hybrid impact tool |
| 12/17/2008 | EP2002091A1 A supplement lubricant free pneumatic motor |
| 12/17/2008 | EP1545839A4 Sonic drill |
| 12/17/2008 | CN101323107A Impact tool |
| 12/16/2008 | US7464635 Percussion device with a control valve for two alternately striking pistons |
| 12/11/2008 | WO2008149030A2 Percussion device actuated by a pressurised non compressible fluid |
| 12/11/2008 | US20080302549 Smart accessories for power tools |
| 12/10/2008 | EP1999336A2 Jackhammer with a lift assist |
| 12/04/2008 | US20080296035 Striking Device in Particular a Hydraulic Hammer Driven |
| 11/26/2008 | CN100436074C Pressure regulating device for a percussive hydraulic apparatus |
| 11/26/2008 | CN100436073C Percussion hydraulic apparatus |
| 11/20/2008 | US20080283263 Air tool |
| 11/19/2008 | CN101306530A Impact tool |
| 11/12/2008 | EP1989024A2 Dust suppression boot for a power tool |
| 11/05/2008 | EP1986825A1 Percussion device and rock drilling machine including such a percussion device |
| 11/05/2008 | CN201143666Y Percussive pick |
| 11/05/2008 | CN101298136A Hand-tool machine with lubricated impact mechanism |
| 11/05/2008 | CN100430188C Percussion device with a transmission element compressing an elastic energy storing material |
| 10/29/2008 | CN201140388Y Pneumatic pick |
| 10/28/2008 | US7441608 Percussion device with a transmission element compressing an elastic energy storing material |
| 10/15/2008 | CN101287577A Water powered impulsive unit |
| 10/14/2008 | US7434503 Pressure regulating device for a percussive hydraulic apparatus |
| 10/09/2008 | WO2008095073A3 Fail-resistant hammer assembly for a valveless percussive drill |
| 10/08/2008 | EP1977189A1 Measuring device, rock breaking device and method of measuring stress wave |
| 10/02/2008 | US20080236855 Electric Power Tool |
| 10/01/2008 | CN100421879C Hand machine tool |
| 09/18/2008 | US20080223244 improving the operation of combustion systems through the use of metal alloy additives; targeted treatment additive introduced into combustor system; targeted treatment additive comprises an alloy such as Mn/Fe |
| 09/17/2008 | EP1461187B1 Method and apparatus for monitoring operation of percussion device |
| 09/11/2008 | US20080217040 Hand-held power tool with pneumatic percussion mechanism |
| 09/11/2008 | DE102007000135A1 Handwerkzeugmaschine mit pneumatischem Schlagwerk Hand tool with a pneumatic hammer mechanism |
| 09/11/2008 | DE102007000131A1 Handwerkzeugmaschine mit pneumatischem Schlagwerk Hand tool with a pneumatic hammer mechanism |
| 09/09/2008 | US7422074 Delayed compression sleeve hammer |
| 09/04/2008 | WO2007136658A3 Elayed compression sleeve hammer |
| 09/03/2008 | EP1964647A2 Method for controlling operating cycle of impact device, and impact device |
| 09/03/2008 | EP1963052A1 Pulse generator and impulse machine for a cutting tool |
| 08/28/2008 | WO2008103095A1 Method in respect of a percussive device, percussive device and rock drilling machine |
| 08/28/2008 | US20080202782 Hand-held power tool with a pneumatic percussion mechanism |
| 08/28/2008 | CA2677827A1 Method in respect of a percussive device, percussive device and rock drilling machine |
| 08/21/2008 | DE102007000081A1 Handwerkzeugmaschine mit pneumatischem Schlagwerk Hand tool with a pneumatic hammer mechanism |
| 08/20/2008 | CN201102657Y Unpacking machine |
| 08/20/2008 | CN100411812C Impact tool |
| 08/19/2008 | US7415383 Compiling method, apparatus, and program |
| 08/19/2008 | US7413028 Ramming device to be assigned to a rock breaker |
| 08/19/2008 | US7413027 Impact power tool with a precision controlled drive system |
| 08/14/2008 | WO2008095510A1 Crust breaker for breaking through a crust formed on a metal molten pool |
| 08/14/2008 | US20080190634 Vehicle control system |
| 08/14/2008 | DE102007000085A1 Verfahren zur Steuerung eines Linearmotors zum Antrieb eines Schlagwerks Method for controlling a linear motor for driving a striking mechanism |
| 08/14/2008 | CA2675697A1 Crust breaker for piercing the crust formed on a metal melting bath |