Patents for B25D 11 - Portable percussive tools with electromotor drive (2,197) |
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06/23/1998 | US5769620 Percussion mechanism for a tool working by percussion or rotary percussion |
06/03/1998 | EP0616565B1 Power tool |
04/16/1998 | WO1998015388A1 Striking tool provided with an air-cushion impact mechanism |
04/09/1998 | DE19640894A1 Mit einem Luftpolsterschlagwerk versehenes Schlagwerkzeug With an air cushion percussion hammer tool provided |
03/31/1998 | US5732782 Drilling and chiseling tool |
03/25/1998 | CN1176867A Hand-held type machine for trenching or cutting |
03/05/1998 | DE19634346A1 Hammer tool for power tool |
02/12/1998 | WO1998005457A1 Impact mechanism for a hammer drill |
01/28/1998 | CN2273243Y 电锤 Hammer |
01/27/1998 | US5711379 Hammer drill |
01/22/1998 | DE19628946A1 Handwerkzeugmaschine Hand tool |
01/14/1998 | CN1169903A Power driven hammer drill with anti-useless-strike |
01/06/1998 | US5704433 Power tool and mechanism |
10/30/1997 | DE19713154A1 Striking tool e.g. electric hammer, percussion drill |
10/21/1997 | US5678641 Drilling and chipping tool |
09/23/1997 | US5669453 Power carving tool |
09/16/1997 | US5666715 Electrically operated impact tool gun |
08/07/1997 | DE19604169A1 Halterung eines Zusatzgeräts für Handwerkzeugmaschinen Mounting an auxiliary device for hand power tools |
08/05/1997 | US5653294 Impact mechanism for a hammer drill |
07/02/1997 | CN1153091A Drilling and/or rock drill |
06/26/1997 | DE19654272A1 Powered tool, especially hammer |
06/19/1997 | WO1997021524A1 Portable hand complex machine |
06/18/1997 | CN1151921A Drilling and quarrying machine |
05/13/1997 | US5628374 Hammer drill with inclined clutch plate |
05/07/1997 | EP0771620A1 Drilling and chiseling tool |
05/07/1997 | EP0771618A2 Drilling and/or chiseling tool |
05/07/1997 | CN2253687Y Electric driving flexible axle type one-direction vibrating device |
02/26/1997 | EP0759342A2 Hammer drill with a mode change-over mechanism |
02/26/1997 | EP0759341A2 Hammer drill with an idling strike prevention mechanism |
12/05/1996 | DE19621090A1 Hammer drill for concrete and similar |
11/05/1996 | USRE35372 Apparatus for driving a drilling or percussion tool |
10/16/1996 | EP0646056B1 Process and device for actuating a percussive tool by means of compressed air |
08/07/1996 | EP0724938A1 Tool with parallel wedges for splitting wood |
08/01/1996 | CA2141508A1 Parallel wedge apparatus for splitting wood |
06/26/1996 | EP0718075A1 Electromagnetic percussion device |
05/30/1996 | DE4441820A1 Bohr- und/oder Schlaghammer Drilling and / or percussion hammer |
05/07/1996 | US5513709 Power tool |
04/30/1996 | US5511912 Hand tool attachment |
04/17/1996 | EP0706861A1 Power tool and mechanism therefor |
03/27/1996 | EP0703043A1 Hammer drill with inclined clutch plate |
03/12/1996 | US5497555 Electromagnetic percussion device |
02/29/1996 | DE4430152A1 Hand held appts. e.g. power tool with electric toroidal magnet oscillating drive |
02/27/1996 | US5494115 Electric hammer drill |
02/06/1996 | US5488997 Rotary impacting apparatus |
01/03/1996 | CN2216450Y Slotting percussive tool |
11/08/1995 | EP0680807A1 Drilling and chiseling tool |
11/08/1995 | EP0544865B1 Drill or percussion hammer |
10/17/1995 | US5458206 Power tool and mechanism |
10/11/1995 | EP0552328B1 Percussion drill |
09/13/1995 | CN1108170A Power tool and mechanism |
09/12/1995 | US5449044 Miniature impact tool |
09/12/1995 | US5449043 Chuck spindle device and power tools incorporating same |
08/22/1995 | US5443196 Fastener applicator |
08/10/1995 | WO1995021039A1 Portable hand-held machine |
08/10/1995 | DE4404095A1 Gem setting hammer for jewellery |
07/27/1995 | DE4401664A1 Bohrhammer Rotary Hammer |
07/25/1995 | US5435397 Rotary hammer with a pneumatic hammer mechanism |
07/19/1995 | EP0663270A1 Impact hammer with rotative and/or percussive action |
06/27/1995 | US5427188 Power tool |
06/14/1995 | DE4341753A1 Electric tool |
06/14/1995 | CN2200517Y Electric tool |
04/19/1995 | EP0648582A1 Rotary impacting apparatus |
12/27/1994 | US5375665 Motorized driving tool |
12/20/1994 | US5373905 Hammer drill |
11/22/1994 | US5366025 Drill and/or percussion hammer |
11/17/1994 | EP0185744B2 A method and a tool for increasing the width in the clear of a chimney |
09/28/1994 | EP0616565A1 Power tool |
09/13/1994 | CA2007428C Hydraulic jackhammer |
09/07/1994 | EP0613758A1 Power tool and mechanism therefor |
09/06/1994 | US5343961 Power transmission mechanism of power-driven rotary tools |
08/24/1994 | EP0474651B1 Drill or percussion tool with coupling in the percussion drive |
08/16/1994 | US5337835 Drill and/or impact hammer |
08/11/1994 | DE4303363A1 Stepping motor, especially for producing strong impact loads |
08/10/1994 | EP0515371B1 Hand-held machine tool |
06/01/1994 | EP0599537A1 Rotary hammer with a pneumatic hammer mechanism |
04/06/1994 | EP0590352A1 Impact and/or drillhammer |
03/30/1994 | EP0589267A2 Drill- and/or impact hammer |
03/01/1994 | US5289887 Method of operating an earth boring machine |
01/25/1994 | CA1326380C Device for driving a drilling and/or percussion tool |
01/11/1994 | US5277259 Hammer drill with hammer drive action coupling |
11/25/1993 | WO1993023211A1 Process and device for actuating a percussive tool by means of compressed air |
11/25/1993 | CA2135896A1 Process and device for actuating a percussive tool by means of compressed air |
11/18/1993 | DE4216071A1 Verfahren und Vorrichtung zum Betätigen eines Schlagwerkzeuges mittels Preßluft Method and apparatus for operating an impact tool means of compressed air |
09/29/1993 | EP0429475B1 Hammer drill or concrete breaker |
09/28/1993 | US5248001 Tractor-mounted machine and method for driving steel posts |
09/15/1993 | EP0560512A1 Rotary hammer |
07/28/1993 | EP0552328A1 Percussion drill. |
06/24/1993 | WO1993011910A1 Power tool |
06/16/1993 | EP0546834A1 Fastener applicator |
06/12/1993 | CA2085088A1 Fastener applicator |
06/09/1993 | EP0544865A1 Drill or percussion hammer. |
05/06/1993 | DE4236819A1 Machine tool power transmitting appts. from driver to rotating drive shaft - translates both rotary and to and fro movement to spindle from rotary moment of drive mechanism to drive rotating tool |
03/31/1993 | EP0444030B1 Drilling hammer |
03/02/1993 | CA1313979C Synchronized hammer coupling |
01/26/1993 | CA1313201C Dampener for impacting mechanism |
01/21/1993 | WO1993001027A1 Percussion drill |
01/14/1993 | DE4215288A1 Bohrhammer Rotary Hammer |
01/07/1993 | WO1993000201A1 Drill or percussion hammer |
01/07/1993 | DE4121279A1 Bohr- und/oder schlaghammer Drilling and / or percussion hammer |
12/30/1992 | CN1019650B Device for hammering fastening elements into hard material |