Patents
Patents for B25D 15 - Portable percussive tools using centrifugal or rotary impact elements (325)
08/2007
08/23/2007US20070193758 Air driver device
08/21/2007US7258048 Manually operated impact wrench
08/14/2007US7255257 Pneumatically operated power tool having mechanism for changing compressed air pressure
08/14/2007US7255029 Manually operated impact tool
07/2007
07/12/2007US20070158090 Rotary impact tool, shock attenuating coupling device for a rotary impact tool, and rotary impact attenuating device
06/2007
06/28/2007DE202007001274U1 Schlagwerkzeug Impact tool
05/2007
05/29/2007US7222680 Pneumatic motor improvements and pneumatic tools incorporating same
05/16/2007CN1964821A Control device for a power impact tool
05/03/2007DE112005001440T5 Umbausatz für eine modulare Steuerungsvorrichtung für ein Schlagwerkzeug Conversion kit for a modular control apparatus for an impact tool
04/2007
04/18/2007CN1310738C Pneumatically operated power tool having mechanism for changing compressed air pressure
03/2007
03/29/2007DE10059389B4 Handwerkzeugmaschine mit einem Schlagwerk Hand tool with a percussion
02/2007
02/27/2007US7182149 Pneumatic wrench having reinforced strength
01/2007
01/23/2007US7165631 Pneumatic wrench having enhanced strength
01/17/2007EP1742774A2 Control device for a power impact tool
12/2006
12/14/2006US20060278417 Rotary tool
12/12/2006US7147063 Double-ram striker assembly
12/06/2006CN1287950C Electric tool
11/2006
11/28/2006US7140282 Pneumatic wrench having reinforced strength
11/16/2006US20060254786 Impact tool
10/2006
10/24/2006US7124839 Impact driver having an external mechanism which operation mode can be selectively switched between impact and drill modes
10/21/2006CA2542399A1 Mode selector mechanism for an impact driver
09/2006
09/21/2006US20060207777 System and method for supplying functional water
09/07/2006US20060196684 Air-driven screwdriver performs hole drilling, thread tapping and bolt tightening
08/2006
08/24/2006WO2006007240B1 Retrofit kit for a modular control apparatus for a power impact tool
08/22/2006US7093743 Pneumatically operated power tool having mechanism for changing compressed air pressure
08/17/2006US20060180632 Pneumatically operated power tool having mechanism for changing compressed air pressure
08/17/2006US20060180630 Intake distributing device of a rivet-nut gun
08/08/2006US7086483 Electric tool
07/2006
07/26/2006CN1265942C Hammer
07/20/2006WO2006007240A3 Retrofit kit for a modular control apparatus for a power impact tool
07/20/2006US20060157261 Double-ram striker assembly
07/20/2006DE102005001339A1 Powered impact tool has gear mechanism with drive wheel driven by drive with rotation axle coaxial to drive's rotation axis and in interaction with pair of opposing output conical gear wheels with axes perpendicular to drive wheel's axis
06/2006
06/01/2006US20060113099 Pneumatic motor improvements and pneumatic tools incorporating same
05/2006
05/04/2006US20060090914 Air inlet structure for a pneumatic tool
04/2006
04/25/2006US7032685 Fastening tool
04/11/2006US7025149 Power tool with detachable drive end
03/2006
03/14/2006US7011156 Percussion tool and method
02/2006
02/16/2006US20060032646 Pneumatic wrench having reinforced strength
02/16/2006DE202005017305U1 Fall preventing device for guide bearings used in electric power tool with impact unit, has stopper portions arranged at surface of seat section to block and prevent guide bearings from jumping out from open end of spherical recesses
01/2006
01/19/2006US20060011364 Pneumatic wrench having enhanced strength
01/19/2006US20060011363 Pneumatic wrench having enhanced strength
01/12/2006US20060005979 Wear-reducing structure for rotary shaft of pneumatic tool
01/12/2006DE102004037072B3 Hand-held power tool e.g. for drilling has braking force creator on tool spindle to provide braking force acting against direction of rotation
01/10/2006US6983808 Power tool with oil circulation apparatus
11/2005
11/24/2005CA2558779A1 Control device for a power impact tool
11/03/2005DE202005013517U1 Impact and striking device for pneumatical tool, has base whose edge pushes edge of impact unit by rod, if frame is selectively turned in two directions, and stud pushed by end of each grooves, if frame is turned in one of directions
09/2005
09/29/2005US20050211472 Percussion tool and method
09/29/2005DE202005011549U1 Doppelhammer-Schlagwerk Twin hammer work
07/2005
07/28/2005US20050161243 Titanium based containment structures for handheld impact tools
07/27/2005EP1190155B1 Rock drill and mounting frame
07/13/2005CN1210485C Rock drill and mounting frame
06/2005
06/16/2005DE102004050076A1 Pneumatisch betriebenes Elektrowerkzeug mit einem Mechanismus zum Ändern des Druckluftdrucks Pneumatically operated power tool having a mechanism for varying the compressed air pressure
05/2005
05/10/2005US6889778 Rotary tool
04/2005
04/20/2005CN1607074A Pneumatically operated power tool having mechanism for changing compressed air pressure
04/14/2005US20050077064 Pneumatically operated power tool having mechanism for changing compressed air pressure
03/2005
03/30/2005CN1600502A 电动工具 Power Tools
03/10/2005WO2004073929A3 Percussion tool and method
03/08/2005US6863134 Rotary tool
03/03/2005US20050045354 Electric tool
03/02/2005EP1510299A2 Electric tool with a plurality of operation modes
01/2005
01/18/2005US6843329 Rotary percussion device for a drill column
12/2004
12/09/2004WO2004106007A1 Screw holding and driving device
11/2004
11/09/2004US6814153 Hand power tool
11/03/2004EP1473120A2 Rotary tool
09/2004
09/09/2004US20040173364 Rotary tool
09/08/2004EP1454714A2 Rotary tool
09/02/2004WO2004073929A2 Percussion tool and method
08/2004
08/19/2004US20040159464 Percussion tool and method
08/05/2004US20040149469 Rotary tool
05/2004
05/27/2004US20040099425 Rotary percussion device for a drill column
05/05/2004CN1148280C Reversible type percussive mechanism with structure for limiting hammer stroke
03/2004
03/16/2004US6705407 Rock drilling and mounting frame
03/03/2004CN1140382C Modified cage member for impact mechanism
02/2004
02/25/2004CN2604284Y Bidirectional percussive electric & pneumatic spanner
12/2003
12/03/2003CN2589716Y Cement screw and special-purpose tool
11/2003
11/06/2003WO2003029601A3 Percussive rotational impact hammer
10/2003
10/21/2003US6634438 Pneumatic air tool with direct air path motor
10/09/2003US20030188878 Percussion tool
09/2003
09/17/2003CN1443269A Pneumatic air tool with direct air path motor
08/2003
08/26/2003US6609577 Percussive rotational impact hammer
07/2003
07/30/2003CN2562942Y Centrifugal impact spanners
04/2003
04/10/2003WO2003029601A2 Percussive rotational impact hammer
04/03/2003US20030062176 Percussive rotational impact hammer
03/2003
03/04/2003US6527061 Driving mechanism for pneumatic tools
02/2003
02/06/2003US20030024714 Driving mechanism for pneumatic tools
12/2002
12/12/2002WO2002099252A1 Pneumatic air tool with direct air path motor
12/10/2002US6491112 Driving tool for fastening fasteners
12/10/2002US6491111 Rotary impact tool having a twin hammer mechanism
11/2002
11/26/2002US6484815 Impact generator
11/21/2002WO2001094079A1 Rotary percussion device for a drill column
11/21/2002CA2410400A1 Rotary percussion device for a drill column
11/19/2002US6481509 Impact generator
09/2002
09/18/2002EP1240979A2 Twin lobe impact mechanism
09/10/2002US6446735 Torque restricting structure of pin hammer-type hammering mechanism
07/2002
07/31/2002EP1226902A2 Twin lobe impact mechanism
07/10/2002EP0941153B1 Rotary impact tool with involute profile hammer
07/04/2002US20020084110 Rock drilling and mounting frame
07/04/2002US20020084087 Hand power tool
07/03/2002CN1357075A Rock drill and mounting frame
06/2002
06/20/2002DE10059389A1 Hand-held machine tool, esp. hammer drill has impact unit with impact part located on drive shaft
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