Patents for B25D 3 - Hand chisels (284)
08/2001
08/08/2001EP1121230A1 A method and devices for splitting wood
06/2001
06/12/2001US6244313 Method and devices for splitting wood
04/2001
04/11/2001CN2426400Y High-efficiency hand chisel
08/2000
08/29/2000US6109365 Multi-purpose impact tool
08/09/2000CN2390727Y Impact spade
06/2000
06/28/2000EP1011930A1 Replaceable blades and tools utilising same
06/20/2000US6076431 Striking tools with deflector grips
05/2000
05/17/2000EP1000251A1 Fixing
05/11/2000DE19850985A1 Tool used by striking end of handle with hammer, with blade shaft end ending at spacing from transverse hole and annular steel intermediate piece between cap and blade end
12/1999
12/22/1999CN2354714Y Impact chisel
12/01/1999CN1237123A Replaceable blade and tools utilising same
10/1999
10/19/1999US5966818 Chisel with improved blade
09/1999
09/21/1999US5953820 Chisels and scrapers with replaceable blades
06/1999
06/16/1999CN2323927Y Anti shocking hammer drill
02/1999
02/11/1999WO1999006717A1 Fixing
02/11/1999CA2298616A1 Fixing
01/1999
01/13/1999EP0711219B1 Device for gripping and absorbing shocks in stamping tools
11/1998
11/05/1998WO1998048988A1 A method and devices for splitting wood
11/05/1998CA2287190A1 A method and devices for splitting wood
08/1998
08/04/1998CA2228532A1 Striking tools with deflector grips
05/1998
05/22/1998WO1998021013A1 Replaceable blades and tools utilising same
05/22/1998CA2271101A1 Replaceable blades and tools utilising same
05/12/1998CA2220390A1 Chisels and scrapers with replaceable blades
03/1998
03/24/1998US5730231 Gripping and shock-absorbing device for percussion tools
03/12/1998WO1998009776A1 Impact tool, method and accessory device, especially for splitting wood
02/1998
02/03/1998US5713906 Endoprosthesis cutting-off device
09/1997
09/25/1997WO1997034739A1 Burglary tool for door lock
09/02/1997US5662386 Plunger-actuated surface-treating devices
05/1997
05/14/1997CN2254030Y Combined chisel for power breaking chipper
01/1997
01/07/1997US5590639 Masonary cutting tool and method
09/1996
09/24/1996US5557852 Hand tool with five cutting edges
05/1996
05/15/1996EP0711219A1 Device for gripping and absorbing shocks in stamping tools
01/1996
01/10/1996CN2216895Y Hand operated mini drawing hitter for hollow clinch
11/1995
11/30/1995WO1995032077A1 Device for gripping and absorbing shocks in stamping tools
07/1995
07/18/1995US5433005 Chipping hammer
12/1994
12/06/1994US5370192 One piece combination chisel/hammer/crowbar devices
11/1994
11/30/1994EP0515476B1 Improvements relating to tools for removing tiles and the like from flat surfaces
11/24/1994WO1994026176A1 Endoprosthesis cutting-off device
11/17/1994DE4416377A1 Device for removing endoprostheses
07/1993
07/21/1993EP0551549A1 Handle for hand-tool with protective head
04/1993
04/15/1993DE4229104A1 Hand chisel for breaking up glass - is guided in tube with rubber collar at bottom end to prevent skidding and contain splinters
12/1992
12/02/1992EP0515476A1 Improvements relating to tools for removing tiles and the like from flat surfaces.
09/1992
09/24/1992DE4109273A1 Chisel punch with long cylindrical or prismatic holder - is drilled coaxially from one end to take interchangeable chisel bits, and has spring insert to grip bit
02/1992
02/20/1992WO1992002345A1 Chisel for dust-free chasing of brick structures
09/1991
09/05/1991WO1991012933A1 Improvements relating to tools for removing tiles and the like from flat surfaces
08/1991
08/21/1991CN2083101U Nail-righting means
12/1990
12/20/1990DE3919930A1 Double ended chisel - is pointed at one end and has flat edge at other end, and includes profiled cap
07/1990
07/03/1990US4937939 Remotedly operated chimney chisel
03/1990
03/06/1990US4905374 Modular hand tool system
10/1989
10/24/1989US4875289 Chisel for removing damaged bolts, nuts and screws
10/10/1989US4872231 Impact blade tool
09/1989
09/06/1989EP0331013A2 Tool for removing the remaining plastic from the gate of an injection mold
08/1989
08/10/1989DE3802766A1 Chisel (edge or bend chisel)
07/1989
07/18/1989US4848309 Masonry punch
05/1989
05/16/1989US4829673 Precision self-actuated woodworking tool
04/1989
04/18/1989US4821419 Woodworking chisel
03/1989
03/21/1989US4813134 Sheet metal punching and cutting tool
11/1988
11/29/1988US4787146 Knife with chisel edge
04/1987
04/23/1987DE3537481A1 Flat chisel with safety handle
01/1987
01/06/1987US4633586 Safety chisel
05/1986
05/06/1986US4586496 Surgical chisel
10/1985
10/09/1985EP0157172A1 Surgical chisel
07/1985
07/17/1985EP0148546A1 A chisel
02/1985
02/05/1985US4497355 Woodwork cutting device such as a wood chisel with sharpening guides provided therewith
07/1984
07/10/1984US4458415 Hammer driven chopper
11/1983
11/22/1983US4416489 Chisel for a crust breaking facility
07/1983
07/19/1983CA1150189A1 Chisel for a crust breaking facility and method for operation of the same
07/19/1983CA1150188A1 Chisel for a crust breaking facility
04/1983
04/19/1983US4380492 Method of using a chisel for a crust breaking facility
04/12/1983CA1144521A1 Chisel alignment unit for a crust breaking facility
09/1982
09/21/1982US4349961 Removable chisel blade
09/14/1982US4349231 Chisel alignment unit for a crust breaking facility
07/1982
07/22/1982WO1982002328A1 Chisel vibration isolator
03/1982
03/02/1982US4317595 Chisel for a crust breaking facility
03/1981
03/18/1981EP0025418A1 Chisel for a crust-breaking device and method of operating it
03/18/1981EP0025417A1 Crust-breaking device for an electrolytic furnace
03/18/1981EP0025416A1 Crust-breaking device for an electrolytic furnace
11/1980
11/25/1980US4235268 Tool for forming door mortice
02/1980
02/19/1980US4188722 Cutting tool for removing a nut securely fastened to a bolt
10/1979
10/16/1979CA1064253A1 Cutting bit for percussion tool
01/1979
01/09/1979US4133362 Protective handle for a hand-held striking tool
04/1978
04/11/1978US4083390 Grooving of sheet material
08/1976
08/17/1976US3974868 Hand tools
07/1976
07/27/1976US3971244 Impact tool
1 2 3