Patents
Patents for B25D 9 - Portable percussive tools with fluid-pressure drive, e.g. having several percussive tool bits operated simultaneously (2,753)
04/2004
04/08/2004US20040065454 Pneumatic percussive tool with a short working drive piston
03/2004
03/31/2004CN1485525A 锤钻 Hammer Drill
03/25/2004DE19843642B4 Luftfederschlagwerk mit Rückholluftfeder Pneumatic percussive tool with Rückholluftfeder
03/24/2004EP1399298A1 Method for controlling operating cycle of impact device, and impact device
03/18/2004US20040050243 Percussion hydraulic apparatus
03/16/2004US6705409 Reciprocating tool having a piston retaining system
03/11/2004WO2004020155A1 Accumulator with foam plastic for a liquid driven hammer device
03/03/2004EP1393863A1 Hammer Drill
03/02/2004US6698532 Piercing apparatus
02/2004
02/26/2004DE19923680B4 Verfahren zur Ermittlung der Betriebsdauer und des Einsatz-Zustands eines hydraulischen Schlagaggregats, insbesondere Hydraulikhammer, sowie Vorrichtung zur Durchführung des Verfahrens Method for determining the operating time and the use of state of a hydraulic percussion device, in particular hydraulic hammer, and device for carrying out the method
02/17/2004US6691798 Variable hand pressure activated power tool
02/12/2004WO2004012911A1 Modular control apparatus for a power impact tool
02/12/2004US20040026096 Modular control apparatus for a power impact tool
02/12/2004DE10230991A1 Werkzeugaufnahme für eine Werkzeugmaschine Tool holder for a machine tool
02/12/2004CA2492443A1 Modular control apparatus for a power impact tool
02/04/2004EP1385673A1 Linerbolt removal tool
01/2004
01/29/2004WO2004009298A1 Sonic drill
01/29/2004CA2493039A1 Sonic drill
01/28/2004CN1470363A Impact set of pneumatic tool
01/22/2004WO2004007149A1 Tool holding fixture for a machine tool
01/20/2004CA2280731C Exaust baffle and spring assisted reset and dampener for powder actuated tool
01/14/2004CN2598708Y Cylinder device for pneumatic tool
01/13/2004US6675908 Drilling hammer or impact hammer
01/06/2004US6672403 Method and apparatus for protecting a fluid-operated percussion device against no-load strokes
01/02/2004EP1375077A2 Pneumatic percussion mechanism
01/01/2004US20040000414 Method of manufacturing a percussion mechanism of a hand-held power tool
01/01/2004US20040000185 Device for straightening the bodywork and/or the structures of a motor vehicle involved in an accident
12/2003
12/17/2003CN1462225A Hand machine tool
12/10/2003EP1368160A1 Pneumatic percussive tool with a movement frequency controlled idling position
12/04/2003US20030221847 Pneumatic percussion operated mechanism
12/03/2003EP1366864A1 Portable hydraulic power operated impact apparatus, such as a spike driver or tamper tool
12/03/2003CN1459333A Air and hydraulic mill
12/02/2003CA2093404C Rock drilling device
11/2003
11/27/2003WO2003097305A1 Hudraulic hammer with control means regulating the volume in an accumulator
11/20/2003WO2003095153A1 Percussion device with a transmission element compressing an elastic energy storing material
11/19/2003EP1362674A1 Device for generating a reciprocating movement, valve arrangement therefore and pneumatic tool
11/18/2003US6648079 Protective apparatus for preventing the infiltration of contaminants in a fluid-operated percussion device
11/06/2003US20030205393 Pneumatic percussive mechanism
10/2003
10/30/2003DE10219950C1 Pneumatisches Schlagwerk mit magnetfeldempfindlichen Sensor Pneumatic hammer mechanism with magnetic field sensitive sensor
10/29/2003EP1355764A1 Pneumatic percussive tool with a short working drive piston
10/22/2003CN1449898A Pneumatic percussive system
10/16/2003US20030194289 Fastening structure using a taper implant
10/15/2003EP1352718A1 Pneumatic percussive system
10/14/2003US6631668 Recoilless impact device
10/02/2003US20030183402 Hydraulic percussion apparatus
09/2003
09/25/2003WO2003078107A1 Hydraulic rotary-percussive hammer drill
09/25/2003US20030178213 Hand machine tool
09/24/2003CN2574849Y Space three freedom parallel platform type robot mechanism
09/18/2003US20030173098 Portable multipurpose demolition tool
09/17/2003CN1442276A 气动冲击装置 Pneumatic impact device
09/11/2003WO2003074234A1 Device for generating a reciprocating movement, valve arrangement therefore and pneumatic tool
09/10/2003CN1441716A Hydraulic percussion apparatus
09/10/2003CN1441715A Percussion hydraulic apparatus
09/04/2003US20030165360 Method and apparatus for replacement of underground pipe
09/03/2003EP1340596A1 Pneumatic percussion mechanism
09/03/2003CN2569983Y Hammering set of pneumatic tool
08/2003
08/26/2003US6609288 Taper implant and a screw-fastening structure using a taper implant with female threads
08/20/2003EP1088149B1 Percussive down-the-hole rock drilling hammer, and a piston used therein
08/20/2003CN2566997Y Pressure pneumatic combination cut pliers
08/20/2003CN2566996Y Improved device of pneumatic hammer
08/20/2003CN1436633A 液压锤 Hydraulic Hammer
08/06/2003CN1116962C 动力工具 Power Tools
08/05/2003US6601655 Piercing apparatus
08/05/2003CA2104705C Drilling device for a rock drill
07/2003
07/31/2003WO2003061912A1 Hydraulically operated low noise hammer
07/30/2003CN2562941Y Self feedback hydraulic impacting device
07/24/2003WO2003060282A2 Method and apparatus for replacement of underground pipe
07/24/2003US20030136569 Piercing apparatus
07/16/2003CN1430707A Hydraulic percussion/pressing device
07/15/2003US6591475 Method for fixing a taper implant to a receiving member
07/09/2003EP1324840A1 Device for straightening the body and/or structures of a damaged motor vehicle
06/2003
06/25/2003CN1112281C Percussion sport apparatus
06/18/2003CN1425101A Device for hydraulic power supply of rotary apparatus for percussive drilling
06/17/2003US6578644 Percussion rotary hand-held power tool with a rotatable guide tube
05/2003
05/27/2003US6568484 Pneumatic piston percussive mechanism with a hollow percussion piston
05/21/2003CN1418759A Fuel contasiner adaption system for internal combustion tool
05/20/2003US6564688 Recoilless impact device
05/15/2003WO2003039815A1 Engine braker
05/15/2003WO2003039814A1 Percussion device with a control valve for two alternately striking pistons
05/15/2003US20030089222 Hydraulic percussion/pressing device
05/14/2003EP1310334A1 Fuel cell adapter for combustion tool and combustion tool comprising the adapter
05/13/2003US6561285 Breaking apparatus and tool
05/06/2003US6557653 Working tool for a percussion power tool
05/06/2003US6557652 Method for performing ground or rock work and hydraulic percussion device
04/2003
04/30/2003CN2547467Y Pneumatic impact wrench percussive machanism
04/24/2003WO2003033216A1 Method and apparatus for monitoring operation of percussion device
04/09/2003EP1299213A1 Percussion hydraulic apparatus
04/09/2003EP1299212A1 Hydraulic percussion apparatus
04/02/2003CN1406718A Delayed interrupt connector for pneumatic tool
03/2003
03/20/2003WO2003022530A1 Reciprocating tool having a piston retaining system
03/19/2003EP1293301A2 Fluidic connector for pneumatic tool and combination thereof
03/19/2003EP1202840B1 Drilling hammer or impact hammer
03/12/2003EP1291487A1 Method for soil and stoneworking and hydraulic impact tool
02/2003
02/26/2003EP1285170A1 Hydraulic percussion/pressing device
02/25/2003US6523622 Pneumatic percussion power tool with pneumatic returning spring
02/25/2003US6523621 Delay-interruption connector for pneumatic tool
01/2003
01/30/2003WO2003008156A1 Hydraulic hammer with a piston and a cyliner which move in anti-phase
01/28/2003US6510902 Method and device for determining the operating time and the operating condition of a hydraulic percussion unit
01/21/2003US6508315 Small impact power tool
01/16/2003WO2003004822A1 Impact device
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