Patents
Patents for B24D 99 - Subject matter not provided for in other groups of this subclass (1,528)
12/1991
12/31/1991US5076897 Binding coat on tip of body of chromium, aluminum yttrium and either iron, nickel and or cobalt
12/11/1991CN2090190U Device for making skin smooth and clean
12/10/1991US5070654 Self-centering arrangement for grinding the hardmetal pins of drill bits
12/03/1991US5069584 Hollow drilling tool
10/1991
10/23/1991EP0452618A1 Process and apparatus for preparing an abrasive body for grinding tools
10/15/1991US5056203 Abrading and cutting tool assembly
10/08/1991US5054246 Abrasive compacts
10/02/1991EP0449547A2 Abrasive product
09/1991
09/27/1991CA2038661A1 Abrasive product
08/1991
08/28/1991EP0443877A1 Gas turbine blades
08/13/1991CA2009879A1 Circular saw rotator
07/1991
07/02/1991CA1285403C Combination drilling and dressing bit
06/1991
06/19/1991EP0432637A1 Device for dressing the cutting edge of a cutting-off tool for severing slices from an ingot or block-like workpiece, especially semiconductor material, use and sewing method for the same
04/1991
04/17/1991EP0422092A1 Tipped cutters
04/16/1991US5007207 Abrasive product
02/1991
02/06/1991EP0411831A1 Cutting element for rotary drill bit with multilayer cutting surface
02/05/1991US4989304 Tool plate for abrasive surface smoothing
01/1991
01/29/1991US4988241 Cutter with angled diamond inserts
01/02/1991CA1278498C Band sawing machine
11/1990
11/29/1990DE3917318A1 Form tool with adjustable profiled surface - uses wire bundle to obtain impression of master and used as tool for finishing process
10/1990
10/31/1990EP0395162A1 Tool for the working heads of polishing machines for stone material or the like
09/1990
09/19/1990EP0387600A1 Abrasive material
08/1990
08/09/1990WO1990008626A1 Method and abrading tools for orbital grinding
07/1990
07/25/1990EP0378964A2 Trepanning tool
07/10/1990US4940180 Refractory metal layer bonded to surface
06/1990
06/20/1990EP0373158A1 Process for grinding the edges of glass sheets
05/1990
05/23/1990EP0276310B1 Diamond drill for working hard brittle materials
05/09/1990CN1041902A Self-centering arrangment for grinding hardmetal pins of drill bits
05/01/1990US4920702 Portable grinder
04/1990
04/25/1990EP0365497A2 A self-centering arrangement for grinding the hardmetal pins of drill bits
03/1990
03/14/1990EP0358526A2 Abrasive compacts
02/1990
02/13/1990US4899416 Wind powered cleaning and polishing flap for boat rails
02/07/1990EP0354043A2 Thermally stable diamond abrasive compact body
12/1989
12/20/1989CN2049580U Grinder for contact of automobile distributor
12/14/1989WO1989010820A3 Tipped cutters
12/05/1989US4885051 Optically controlled dimpler for preparation of ultrathin samples
11/1989
11/16/1989WO1989010820A2 Tipped cutters
10/1989
10/12/1989DE3811249A1 Fastening device of a threaded component in an undercut bore, and drilling device for producing undercuts
10/11/1989EP0336183A2 Fixation device for a threaded part in an undercut hole
10/11/1989EP0336182A2 Drilling device for making undercuttings in blind cylindrical holes
10/03/1989US4871377 Table with sintered particles, binder matrix, thin metal layer
09/1989
09/08/1989WO1989008008A1 Abrasive tool
08/1989
08/08/1989US4854788 Drill
08/02/1989EP0244465B1 Portable grinder
08/01/1989US4852998 Method for manufacturing metal wires partially covered with abrasive particles for cutting tools
06/1989
06/28/1989EP0322214A1 Abrasive product
06/13/1989CA1255462A1 Cleaning device
02/1989
02/09/1989DE3724913A1 Method of manufacturing a diamond bandsaw blade, and diamond bandsaw blade manufactured according to this method
12/1988
12/01/1988WO1988009242A1 Process for grinding the edges of glass sheets
11/1988
11/17/1988EP0291480A2 Tool plate for abrasive surface smoothing
11/02/1988EP0288614A1 Combination drilling and dressing bit
10/1988
10/04/1988CA1242587A1 Sintered polycrystalline diamond compact construction with integral heat sink
09/1988
09/07/1988EP0280786A2 Grinding body for power grinding machines
08/1988
08/03/1988EP0276310A1 Diamond drill for working hard brittle materials
05/1988
05/24/1988CA1236977A1 Rotary grinding tool
03/1988
03/16/1988EP0260026A2 Drill
02/1988
02/24/1988EP0256619A2 Stone cutting wire saw
01/1988
01/19/1988US4720218 Combination drilling and dressing bit
12/1987
12/30/1987WO1987007857A1 Diamond drill for working hard brittle materials
07/1987
07/28/1987US4682987 Method and composition for producing hard surface carbide insert tools
07/28/1987US4682446 Apparatus and method for seating carbon brushes in motors or the like
06/1987
06/23/1987US4674474 Stone cutting wire saw
05/1987
05/21/1987WO1987002924A1 Portable grinder
05/19/1987US4665657 Centerless flexible external honing apparatus
04/1987
04/07/1987US4654938 Descaler head assembly for a descaling machine
04/07/1987CA1220032A1 Means for attaching a replaceable stone and/or guide assembly to a master holder
02/1987
02/03/1987US4639989 Sanding tool
12/1986
12/23/1986US4630976 For removing unwanted materials from the interior of a welded pipe joint
12/18/1986WO1986007292A1 Cleaning device
12/10/1986CN85108648A 清理装置 Cleaning device
08/1986
08/27/1986CN85203152U Precisely vernier superhard abrasive hole-machining tool
08/12/1986US4605343 Bonding heat sink to diamond with molybdenum, tungsten, titanium, zirconium or chromium layer
06/1986
06/25/1986EP0185113A1 Needle for boring and polishing dies
04/1986
04/09/1986EP0177348A1 Abrasive tool
03/1986
03/11/1986US4575384 Silicon carbide bonded with silicon oxynitride or iron silicate
02/1986
02/25/1986US4571893 Rotary grinding tool
02/18/1986US4571184 Implement for abrasion
08/1985
08/20/1985US4535965 Apparatus for molding a profiled body
07/1985
07/30/1985US4531253 Cleaning device
07/02/1985US4526589 Polisher element
04/1985
04/24/1985EP0138237A1 Improvements in diamond-set segments and inserts
11/1984
11/20/1984US4483108 Drill bit for glass and ceramic structures
10/1984
10/24/1984EP0122566A2 Device for manufacturing an abrasive tool
09/1984
09/26/1984EP0119632A2 Abrasive belt
06/1984
06/26/1984US4456500 Deposition photoresist films on metal, masking, and etching to form cutting teeth
01/1984
01/10/1984US4424648 Lapping tools
03/1983
03/17/1983WO1983000824A1 Implement for abrasion
01/1983
01/25/1983US4369602 Surface finishing device
05/1982
05/25/1982US4330910 Device and method for smoothening surfaces of disks for disk memories
05/11/1982CA1123205A1 Abrasive bodies
02/1982
02/23/1982CA1118604A1 High speed rotatable abrasive body and mounting
12/1981
12/23/1981EP0042341A1 Surface finishing device
12/01/1981US4302909 Stressed internal face lapping tool
11/1981
11/10/1981CA1112050A1 Flexible abrasive sheet and holder
09/1981
09/23/1981EP0035998A1 Grinding tool
09/02/1981EP0034581A1 Grinding tool and method of using it
09/01/1981US4286416 Segmented flexible hone
04/1981
04/28/1981US4264410 Resist patterns giving sharp points and smoot edges
03/1981
03/19/1981WO1981000689A1 Grinding tool
01/1981
01/27/1981USRE30494 Cutting teeth for etched abrasives
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