| Patents for B25D 13 - Portable percussive tools with electromagnetic drive (242) |
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| 04/27/2010 | US7705497 Power tool cooling |
| 04/22/2010 | WO2010017469A3 Multistage solenoid fastening tool with decreased energy consumption and increased driving force |
| 02/11/2010 | WO2010017469A2 Multistage solenoid fastening tool with decreased energy consumption and increased driving force |
| 02/04/2010 | WO2010012453A1 Pneumatic-spring percussion mechanism with a variable rotatory drive |
| 06/24/2009 | CN100503178C Electrical percussive tool |
| 05/13/2009 | CN100486778C Electromagnetically vibrating impactor |
| 04/08/2009 | CN100475453C A percussion drill possessing magnetic impact mechanism |
| 03/19/2009 | DE102007000488A1 Handwerkzeugmaschine mit Luftfederschlagswerk, Linearmotor und Steuerverfahren Hand tool with a pneumatic percussive tool, linear motor and control method |
| 03/12/2009 | US20090065226 Hand-held power tool with air spring percussion mechanism, linear motor, and control process |
| 01/28/2009 | CN100455414C Electric hammer with magnetic impacting mechanism |
| 01/22/2009 | DE102007000386A1 Percussive electric hand power tool e.g. chisel hammer, has ferromagnetic percussive element with stop surface whose cross-sectional area corresponds to half of cross-sectional area of abutting surface of ferromagnetic plunger |
| 01/20/2009 | CA2450396C Rotary tool |
| 11/26/2008 | CN201156698Y An electric harmonic reciprocating line motion impact device |
| 09/17/2008 | CN201118419Y Electromagnetic vibration impact machine for line vibration electromotor |
| 09/10/2008 | CN101262163A An electric harmonic reciprocating line motion impact device |
| 08/28/2008 | US20080202783 Method for controlling a linear motor for driving a striking mechanism |
| 08/20/2008 | EP1958733A2 Method for controlling a linear motor for actuating a striking mechanism |
| 08/14/2008 | DE102007000085A1 Verfahren zur Steuerung eines Linearmotors zum Antrieb eines Schlagwerks Method for controlling a linear motor for driving a striking mechanism |
| 07/30/2008 | CN201092035Y Electric percussion tool |
| 07/09/2008 | CN201082539Y Electric hammer with magnetic force impact mechanism |
| 06/11/2008 | CN101195214A Straight line electric impacting pickaxe |
| 06/04/2008 | CN201067893Y Percussion drill with magnetic force percussion mechanism |
| 04/15/2008 | US7357195 Power tool and gear unit assembled therein |
| 01/09/2008 | CN101100056A Electric hammer with magnetic impacting mechanism |
| 12/26/2007 | CN101092028A A percussion drill possessing magnetometric percussion arrangement |
| 12/26/2007 | CN101092027A Electrical percussive tool |
| 11/28/2007 | CN200981222Y Magnetic air pick |
| 11/28/2007 | CN200981221Y Magnetic air drill |
| 11/28/2007 | CN100351539C Power tool and gear unit assembled therein |
| 10/31/2007 | CN200967123Y Special electric punch hammer for steel cord butt welding machine |
| 10/24/2007 | CN101058180A Electric tool and gear unit assembled in the same |
| 10/04/2007 | WO2007033054A3 Impact handle for hand tools |
| 09/05/2007 | CN100336288C Magnetic impact device and method for magnetically generating impact motion |
| 07/11/2007 | CN2921110Y Multifunction electric archaeological digging device |
| 05/03/2007 | US20070095550 Apparatus and method for three-dimensionally planting pile |
| 04/05/2007 | DE102005017483B4 Linearaktor in einem Elektro-Schlagwerkzeug Linear actuator in an electric impact driver |
| 03/22/2007 | CA2619532A1 Impact handle for hand tools |
| 02/28/2007 | CN1301827C Pneumatic spring percussion mechanism with an electro-dynamically actuated driving piston |
| 02/08/2007 | US20070029101 Hammerhead forcible entry tool used to defeat burglar bars |
| 02/08/2007 | DE102005036560A1 Bohr- und/oder Schlaghammer mit Linearantrieb und Luftkühlung Drilling and / or percussion hammer with linear drive and air cooling |
| 01/04/2007 | DE102005030340B3 Schlagwerk mit elektrodynamischem Linearantrieb Percussion with electrodynamic linear drive |
| 01/03/2007 | CN1887532A Electromagnetically vibrating impactor |
| 12/14/2006 | US20060278416 Air tool |
| 11/09/2006 | US20060248701 Hammer |
| 10/19/2006 | DE102005017483A1 Linearaktor in einem Elektro-Schlagwerkzeug Linear actuator in an electric impact driver |
| 09/06/2006 | EP1461186B1 Magnetic impact device and method for magnetically generating impact motion |
| 06/27/2006 | US7066279 Pneumatic ground piercing tool |
| 05/17/2006 | CN2780416Y Electromagnetic electric hammer, electric pick |
| 04/11/2006 | US7025183 Pneumatic spring percussion mechanism with an electro-dynamically actuated driving piston |
| 03/22/2006 | EP1070569B1 Impact machine |
| 03/14/2006 | US7011165 Rotating electric hand tool implement with safety routine |
| 01/03/2006 | US6981625 Percussive electrical hand-held power tool |
| 12/22/2005 | US20050279519 Right angle impact driver |
| 12/22/2005 | DE102004025864A1 Electric percussion tool driving method, involves arranging time interval, during which solenoid is deenergized, longer than time interval, during which solenoid is energized, to allow spring unit to have longer time |
| 12/17/2005 | CA2509759A1 Right angle impact driver |
| 11/03/2005 | DE102005016558A1 Elektrowerkzeug und darin eingebaute Getriebeeinheit Power tools and built-in transmission unit |
| 10/19/2005 | CN1683802A Power tool and gear unit assembled therein |
| 10/13/2005 | US20050224245 Power tool and gear unit assembled therein |
| 08/03/2005 | EP1472050B1 Pneumatic spring percussion mechanism with an electro-dynamically actuated driving piston |
| 07/19/2005 | US6918449 Magnetic impact tool |
| 06/08/2005 | CN1625458A Pneumatic spring percussion mechanism with an electro-dynamically actuated driving piston |
| 05/10/2005 | US6889778 Rotary tool |
| 04/14/2005 | US20050076517 Pneumatic spring percussion mechanism with an electro-dynamically actuated driving piston |
| 04/14/2005 | DE10341814A1 Driving method for electric percussion tool, involves energizing and de-energizing solenoid again to move plunger core towards middle portion and then move in driving direction in addition to spring biasing force applied by spring |
| 04/13/2005 | CN1606824A Magnetic impact device and method for magnetically generating impact motion |
| 03/23/2005 | CN1597266A Driving method of impact tool |
| 03/03/2005 | US20050045352 Method for driving electric percussion tool |
| 02/15/2005 | US6854530 Method for driving electric percussion tool |
| 01/05/2005 | CN2668342Y Output shaft rotation limiting mechanism at hammering state for multifunctional electric hammer |
| 01/05/2005 | CN2668341Y Output shaft rotation limiting mechanism at hammering state for multifunctional electric hammer |
| 12/30/2004 | DE102004024154A1 Hammer Hammer |
| 12/02/2004 | US20040238191 Magnetic impact tool |
| 11/25/2004 | US20040231869 Hammer |
| 11/03/2004 | EP1473120A2 Rotary tool |
| 11/03/2004 | EP1472050A1 Pneumatic spring percussion mechanism with an electro-dynamically actuated driving piston |
| 10/21/2004 | US20040206521 Percussive electrical hand-held power tool |
| 10/14/2004 | DE10302089B3 Schlagende Elektrohandwerkzeugmaschine mit einem Piezoaktor Beating electric power tool with a piezoelectric actuator |
| 10/05/2004 | US6799644 Pneumatic percussive mechanism |
| 09/29/2004 | EP1462219A1 Magnetic impact tool |
| 09/29/2004 | EP1461186A2 Magnetic impact device and method for magnetically generating impact motion |
| 08/05/2004 | US20040149469 Rotary tool |
| 07/29/2004 | WO2004012910A3 Magnetic impact device and method for magnetically generating impact motion |
| 03/16/2004 | US6705408 Power tool with a linear motor |
| 03/02/2004 | CA2328582C Electromagnetic hammer with a mobile ferromagnetic mass |
| 02/24/2004 | US6695070 Magnetic impact device and method for magnetically generating impact motion |
| 02/12/2004 | WO2004012910A2 Magnetic impact device and method for magnetically generating impact motion |
| 02/05/2004 | US20040020667 Magnetic impact device and method for magnetically generating impact motion |
| 01/29/2004 | DE10204861B4 Luftfederschlagwerk mit elektrodynamisch bewegtem Antriebskolben Pneumatic percussive tool with electro-dynamically move the drive piston |
| 01/22/2004 | US20040012906 Device for marking by stamping by successive percussions |
| 01/02/2004 | EP1375077A2 Pneumatic percussion mechanism |
| 11/06/2003 | US20030205393 Pneumatic percussive mechanism |
| 10/30/2003 | DE10219950C1 Pneumatisches Schlagwerk mit magnetfeldempfindlichen Sensor Pneumatic hammer mechanism with magnetic field sensitive sensor |
| 10/22/2003 | CN1449967A Equipment for marking by means of series percussions |
| 09/24/2003 | EP1346799A1 Device for marking by means of a series of percussions |
| 09/22/2003 | CA2423208A1 Successive percussion indented marking device |
| 08/14/2003 | WO2003066286A1 Pneumatic spring percussion mechanism with an electro-dynamically actuated driving piston |
| 05/20/2003 | US6564882 Electromagnetic hammer having a moving ferromagnetic mass |
| 02/18/2003 | US6520269 Hand-held tool with electromagnetic hammer mechanism |
| 11/13/2002 | CN2520229Y Single knob controlled three-function crankshaft electric hammer |
| 09/24/2002 | US6454021 Impact machine |