| 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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| 01/16/2003 | US20030010514 Single push button reverse valve system for a pneumatic tool |
| 01/15/2003 | CN1391507A Driver for power tools |
| 01/09/2003 | US20030006053 Operating system for hydraulic rock drill |
| 01/09/2003 | US20030006052 Valve for hydraulic rock drill |
| 01/01/2003 | CN2528584Y 液压锤 Hydraulic Hammer |
| 12/26/2002 | US20020195779 Steel retainer for rock drill |
| 12/19/2002 | WO2002101192A1 Rock drill |
| 12/12/2002 | US20020185285 Method and apparatus for protecting a fluid-operated percussion device against no-load strokes |
| 12/11/2002 | EP0910317B1 Surgical instrument for mechanical removal of bone cement |
| 12/04/2002 | EP1261459A2 Pneumatic piston percussive mechanism with a hollow percussion piston |
| 12/03/2002 | US6488458 Taper implant and a screw-fastening structure using a taper implant with female threads |
| 11/21/2002 | WO2002092291A1 Hand machine tool |
| 11/21/2002 | DE10122820A1 Hand tool, especially hammer drill and/or hammer chisel, has tool guide element that is axially movable with respect to machine housing |
| 11/19/2002 | US6481509 Impact generator |
| 11/14/2002 | WO2002090057A1 Method for controlling operating cycle of impact device, and impact device |
| 11/14/2002 | DE10123202A1 Verfahren und Vorrichtung zur Absicherung eines fluidbetriebenen Schlagwerks gegen Leerschläge Method and apparatus for securing a fluid-operated percussion mechanism against blank firing |
| 11/13/2002 | EP1256419A1 Method and device for protecting an hydraulic impact tool against the effects of idling |
| 11/06/2002 | CN2519715Y Hydraulic percussive tool with oil backflow storage cavity |
| 10/24/2002 | DE10111717C1 Luftfederschlagwerk mit bewegungsfrequenzgesteuertem Leerlaufzustand Pneumatic percussive tool with bewegungsfrequenzgesteuertem idle state |
| 10/22/2002 | US6467555 Percussion mechanism for an electrical hand-held tool with a blank blow cut-off |
| 10/17/2002 | WO2002081152A1 Linerbolt removal tool |
| 10/17/2002 | US20020149255 Device for the removal of the surface layer of a wall or ceiling |
| 10/16/2002 | EP1117508B1 Pneumatic percussion power tool with pneumatic returning spring |
| 10/09/2002 | EP1246707A1 Impact tool |
| 10/09/2002 | EP1005403B1 Power tool |
| 10/02/2002 | DE10103996C1 Luftfederschlagwerk für einen Schlag- und/oder Bohrhammer mit kurz bauendem Antriebskolben Pneumatic percussive tool for impact and / or hammer drill with short-length drive piston |
| 09/26/2002 | WO2001000368A3 Pneumatic piston percussive mechanism with a hollow percussion piston |
| 09/26/2002 | US20020134562 Reciprocating tool having a piston retaining system |
| 09/19/2002 | WO2002072315A1 Pneumatic percussive tool with a movement frequency controlled idling position |
| 09/18/2002 | EP1240403A1 Device for hydraulic power supply of a rotary apparatus for percussive drilling |
| 09/06/2002 | WO2002060652A8 Pneumatic percussive tool with a short working drive piston |
| 09/04/2002 | CN1367067A Electric hand equipment capable of resisting no-load impact |
| 08/22/2002 | US20020112599 Recoilless impact device |
| 08/21/2002 | EP1232042A1 Driver for power tools |
| 08/15/2002 | US20020108766 Percussion mechanism for an electrical hand-held tool with a blank blow cut-off |
| 08/14/2002 | EP1231610A2 Process and apparatus for decontaminating contaminated mineral surfaces |
| 08/14/2002 | EP1058600B1 Fluid actuated tool |
| 08/08/2002 | WO2002060652A1 Pneumatic percussive tool with a short working drive piston |
| 08/07/2002 | EP1011931B1 A method and drilling apparatus to adjust the shape of a stroke pulse to be transmitted to the drill bit |
| 07/31/2002 | EP1226903A2 Electric hand tool with idle running switch off |
| 07/31/2002 | CN2502856Y Improved pneuamtic tool air guide structure |
| 07/31/2002 | CN1361726A Drilling hammer or impact hammer |
| 07/25/2002 | DE10103141A1 Electrical hand tool appliance e.g. hammer drill, has pneumatic striking tool and valve openings sealed off to vent pneumatic spring through riveting header |
| 07/17/2002 | CN1358925A Oil back flow storage cavity for hydraulic impactor |
| 07/17/2002 | CN1358612A Hand holding impactor with rotary guide pipe |
| 06/19/2002 | EP1215016A1 Power hammer-drill with rotating piston guide tube |
| 06/13/2002 | US20020070036 Percussion rotary hand-held power tool with a rotatable guide tube |
| 06/13/2002 | DE10061810A1 Schlagendes Handwerkzeuggerät mit drehendem Führungsrohr Beating hand tool with rotating guide tube |
| 06/05/2002 | EP1064123B1 Method and apparatus for controlling drilling of rock drill |
| 05/16/2002 | WO2002038316A2 Recoilless impact device |
| 05/08/2002 | EP1202840A1 Drilling hammer or impact hammer |
| 05/02/2002 | US20020051693 Taper implant and a screw-fastening structure using a taper implant with female threads |
| 05/02/2002 | US20020050505 Driving piston for a setting tool |
| 05/02/2002 | EP0760731B1 Pneumatic impact breaker |
| 04/18/2002 | WO2002030588A1 Device for straightening the body and/or structures of a damaged motor vehicle |
| 04/18/2002 | US20020043547 Fuel cell adapter system for combustion tools |
| 04/17/2002 | EP1196266A2 Innovative oil-dynamic percussion machine working at constant hydraulic pressure |
| 04/16/2002 | US6371222 Hammer device |
| 04/11/2002 | US20020040798 Breaking apparatus and tool |
| 04/10/2002 | EP1195229A1 Breaking apparatus and tool |
| 04/02/2002 | US6364032 Hand held apparatus for fracturing risers from castings |
| 02/28/2002 | US20020025239 Taper implant and a screw-fastening structure using a taper implant with female threads |
| 02/27/2002 | CN2478736Y Nut riveter |
| 02/21/2002 | US20020020566 Working tool for a percussion power tool |
| 02/20/2002 | CN1336269A Rock drill and its hole forming method in cutting stone |
| 02/13/2002 | CN2476394Y Pneumatic rust removal machine |
| 02/07/2002 | DE10035845A1 Setzgerät Setting tool |
| 02/05/2002 | CA2108138C A power tool having selectable inlet location |
| 01/31/2002 | WO2002008590A1 A free-piston engine |
| 01/31/2002 | DE10034742A1 Werkzeug mit zugeordnetem Schlagwerkzeug Tool with an associated impact tool |
| 01/30/2002 | CN1333112A Cutter with impact tool |
| 01/24/2002 | WO2002006014A1 Percussion hydraulic apparatus |
| 01/24/2002 | WO2002006013A1 Hydraulic percussion apparatus |
| 01/24/2002 | US20020008420 Method for performing ground or rock work and hydraulic percussion device |
| 01/24/2002 | CA2415359A1 Percussion hydraulic apparatus |
| 01/24/2002 | CA2415358A1 Hydraulic percussion apparatus |
| 01/23/2002 | EP1174225A1 Percussion tool |
| 01/03/2002 | US20020000325 Hand-held hammer drill |
| 01/02/2002 | CN2468673Y Portable air hammer |
| 01/01/2002 | US6334495 Fluid operated percussion device |
| 12/19/2001 | CN1327119A Buffer pressure control equipment for hydraulic rock drill |
| 12/06/2001 | WO2001092730A1 Hydraulic percussion/pressing device |
| 12/06/2001 | US20010047873 Damper pressure control apparatus for hydraulic rock drill |
| 12/05/2001 | EP1160416A2 Damper pressure control apparatus for hydraulic rock drill |
| 12/05/2001 | EP1160057A1 Hammer drilling machine |
| 11/29/2001 | DE10024505A1 Verfahren zur Durchführung von Erd- oder Gesteinsarbeiten und hydraulisches Schlagwerk Method for performing ground or rock work and hydraulic percussion |
| 11/28/2001 | EP1157787A1 Method for soil and stoneworking and hydraulic impact tool |
| 11/27/2001 | US6321854 Power tool |
| 11/22/2001 | US20010043007 Breaker using pneumatic and hydraulic pressures |
| 11/20/2001 | US6318478 Damper pressure control apparatus for hydraulic rock drill |
| 11/15/2001 | DE10003415A1 Hydraulic hammer with compressed gas store to operate piston has upper end of piston in fluid-filled first chamber separated from second chamber by membrane |
| 11/08/2001 | WO2001083170A1 Method and arrangement for adjusting the percussion energy in a percussion drilling apparatus |
| 11/07/2001 | EP0836545B1 Pneumatic impact tool |
| 10/24/2001 | CN1073494C Control valve apparatus |
| 10/17/2001 | CN2454091Y Improved long-stroke pneumatic impact mechanism |
| 10/11/2001 | US20010027870 Reciprocating tool having a retaining system |
| 10/09/2001 | US6298923 Impacting device for releasing blocked objects by impact |
| 09/26/2001 | EP1136190A2 Protection element for preventing the passage of contaminants for a percussive tool with fluid-pressure drive |
| 09/26/2001 | EP1136189A2 Percussive tool with fluid-pressure drive |
| 09/25/2001 | US6293309 Control valve apparatus |