| Patents for B25D 17 - Details of, or accessories for, portable power-driven percussive tools (6,804) |
|---|
| 10/18/1990 | WO1990011860A1 A hand tool with an inserted chuck |
| 10/17/1990 | EP0392201A2 Impact tool for anchor bolts |
| 10/10/1990 | EP0391856A2 Pneumatic hammer |
| 10/10/1990 | EP0391613A2 Paving breakers and supports therefor |
| 10/04/1990 | DE3910599A1 Drilling and/or percussion hammer |
| 10/04/1990 | DE3910398A1 Handwerkzeugmaschine mit steckfutter Hand tool with a plug feed |
| 10/03/1990 | CN1009847B Air pressure impact drilling method and apparatus for same |
| 10/01/1990 | CA2013198A1 Paving breakers and supports therefor |
| 09/26/1990 | EP0389454A1 Device in impact machines |
| 09/19/1990 | EP0388383A1 Hammer machine |
| 09/18/1990 | US4957171 Pneumatic drill |
| 09/16/1990 | CA2011631A1 Hammer machine |
| 09/11/1990 | US4956054 Method and apparatus for removing carbon anodes in aluminum electrolysis cells |
| 09/11/1990 | CA1273831A1 Drill bit chuck for drilling and cutting devices |
| 08/23/1990 | DE3905248A1 Haltekappensicherung fuer drucklufthaemmer Fuse holder cap for drucklufthaemmer |
| 08/09/1990 | WO1990008634A1 Harvester for removing a substance from a plate |
| 08/08/1990 | EP0381648A1 Method to increase the strength of an element for percussive drilling |
| 08/02/1990 | CA2009179A1 Method to increase the strength of an element for percussive drilling |
| 07/24/1990 | US4943192 Drill bit having a shank with grooves |
| 07/18/1990 | EP0378045A1 Hydraulic drill hammer |
| 07/17/1990 | US4941711 Cemented carbide tip |
| 07/10/1990 | US4940289 Scabbler for scabbling floors contaminated with hazardous materials |
| 07/04/1990 | EP0375720A1 Electric power tool and adapter |
| 07/03/1990 | US4938538 Excavating tool cutting insert |
| 06/28/1990 | DE3843465A1 Device for clamping tools |
| 06/27/1990 | EP0375453A1 Scabbler bits |
| 06/27/1990 | EP0374160A1 Chisel |
| 06/26/1990 | US4936394 Vibroisolating handle joint structure for power tool |
| 06/21/1990 | DE3842401A1 Adapter which can be combined with the tool spindle of a hand-guided electric tool |
| 06/19/1990 | US4934465 Arrangement for the axial bearing of a drilling machine |
| 06/13/1990 | EP0372225A2 Boring ram |
| 06/13/1990 | DE3841128A1 Drilling tool |
| 06/05/1990 | US4930583 Portable battery-powered tool |
| 05/30/1990 | EP0370952A1 Portable hand tool with a percussive device |
| 05/16/1990 | CN1042215A Air spring percussive tool |
| 05/15/1990 | US4924948 Shock absorbing bit retaining ring |
| 05/09/1990 | EP0367718A2 Drilling tool |
| 05/08/1990 | US4923018 Percussion drill |
| 05/01/1990 | US4921545 Supported tool strikingly engages manganese dioxide; electrolytic cells |
| 05/01/1990 | US4921053 Vibro-isolation of connections of structural units of hand tools |
| 05/01/1990 | US4920837 Tool |
| 04/25/1990 | CN1007746B Body construction for drilling machine |
| 04/19/1990 | WO1990003870A1 Dampener for impacting mechanism |
| 04/11/1990 | EP0258275B1 Boom operated demolition apparatus |
| 04/10/1990 | US4915180 Post driver |
| 04/05/1990 | WO1990003252A1 Compression-vacuum percussion device |
| 04/05/1990 | WO1990003251A1 Impact hammer power tool |
| 03/28/1990 | EP0359973A1 Annular buffer for fastener-driving tools |
| 03/28/1990 | EP0359802A1 Hammer for pile-drivers |
| 03/28/1990 | CN1040847A Device on powered handtools for transmitting torque |
| 03/14/1990 | EP0357752A1 Pile-driver with eccentric drive. |
| 03/14/1990 | EP0357648A1 Torque-transmitting device for hand-held power tools. |
| 03/13/1990 | US4907928 Fastening member for securement into hard materials |
| 03/08/1990 | WO1990002244A1 A drill for rock and concrete |
| 03/08/1990 | DE3829216A1 Tool for producing a thread-like groove |
| 03/07/1990 | CN1040244A Cemented carbide tip |
| 03/06/1990 | US4906049 Ripper using a hydraulic hammer and a method for making the improvement |
| 02/27/1990 | US4903784 Impact hammer power tool |
| 02/22/1990 | WO1990001400A1 Hammer drill or concrete breaker |
| 02/22/1990 | DE3828309A1 Hammer drill |
| 02/21/1990 | EP0355071A1 Drill bit having a shank with grooves |
| 02/13/1990 | US4900202 Chuck assembly for tool bits |
| 02/08/1990 | WO1990001107A1 Cemented carbide tip |
| 02/08/1990 | WO1990000957A1 A device on manual machine tools for torque transmission |
| 02/08/1990 | DE3826212A1 Electric hand tool |
| 02/07/1990 | EP0353634A1 Arrangement for preventing through bolts from loosening |
| 02/06/1990 | US4898250 Hand-held tool with switching means for variable operation |
| 01/23/1990 | US4895055 Installation tool for an anchor element |
| 01/23/1990 | EP0237550A4 Impact device. |
| 01/17/1990 | EP0350676A1 Tool for forming groove in brittle object and method of fracturing same |
| 12/26/1989 | US4889192 Tractor-controlled hammer assembly |
| 12/20/1989 | EP0346597A1 Hammer actuated by means of a hydraulic system, in particular suitable for use in dusty, corrosive, and similarly hostile environments |
| 12/13/1989 | EP0345896A2 Device for driving a drilling and/or percussion tool |
| 12/05/1989 | US4884642 Percussive action machine |
| 11/29/1989 | EP0344121A1 Tool with longitudinal slots at its shank |
| 11/29/1989 | EP0343656A2 Vibration free handle |
| 11/21/1989 | CA1263107A1 Tool |
| 11/07/1989 | US4878679 Variably operable hand-held device |
| 11/02/1989 | DE3813325A1 Screwdriver element |
| 10/12/1989 | DE3809558A1 Damping device for reducing the transmission of oscillations produced by vibrating apparatuses to the hand-arm system |
| 10/11/1989 | EP0336261A2 Vibro-isolation of connections of structural units of hand tools |
| 10/11/1989 | CN2045684U 防震锤 Earthquake hammer |
| 10/05/1989 | WO1989009117A1 Impacting mechanism |
| 10/04/1989 | EP0335795A1 Tool holder for a drilling machine |
| 10/04/1989 | EP0335329A2 Pneumatic impact tool |
| 10/04/1989 | EP0335328A2 Compressed-air supply system of vibro-isolated tools |
| 10/03/1989 | US4871035 Damping device for a percussion rock drilling machine |
| 09/26/1989 | CA1260922A1 Air pressure impact drilling method and apparatus for same |
| 09/21/1989 | WO1989008747A1 Pile-driver with eccentric drive |
| 09/21/1989 | WO1989008746A1 Hammer for pile-drivers |
| 09/19/1989 | US4867253 Dampener for impacting mechanism |
| 09/19/1989 | US4867252 Single-stroke pneumatic apparatus |
| 09/19/1989 | US4867251 Impact device |
| 09/19/1989 | US4867249 Driving and setting tool |
| 09/12/1989 | CA1259232A1 Percussive tool |
| 08/24/1989 | WO1989007690A1 Apparatus for reflex-percussive cutting of concrete etc. |
| 08/24/1989 | WO1989007511A1 An apparatus with two end positions generating a reciprocating motion |
| 08/23/1989 | EP0329204A1 Envelope for catching drillings |
| 08/22/1989 | US4858701 Fluid-powered impact device and tool therefor |
| 08/16/1989 | EP0327890A2 Portable tool with vibration damping |