Patents
Sitemap › B28 - Working cement, clay, or stone › B28D - Working stone or stone-like materials › B28D 1 - Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhere; Machines, devices, tools therefor
Patents for B28D 1 - Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhere; Machines, devices, tools therefor (14,003)
12/1999
12/22/1999CN2354728Y Stone chamfering apparatus
12/22/1999CN2354727Y Improved structure of stone chamfering apparatus
12/21/1999US6003953 Cutter head with cutting members that rotate relative to each other
12/15/1999CN1238717A Crenelated abrasive tool
12/14/1999US6001265 Recovery of coolant and abrasive grains used in slicing semiconductor wafers
12/14/1999US6000387 Power saw with fluid cooling bearing assembly
12/09/1999DE19823756A1 Self moving robot system for milling and drilling recesses in walls esp. unfinished walls with wheeled chassis for traveling on horizontal or inclined surface
12/08/1999EP0886552B1 Metal single layer abrasive cutting tool having a contoured cutting surface
12/08/1999CN2352325Y 金刚石绳锯 Diamond Wire Saw
12/07/1999US5997597 Abrasive tool with knurled surface
12/07/1999US5996708 Percussion tool
12/07/1999US5996571 Diamond core drill bit
12/07/1999CA2188286C Improved superabrasive tool
12/07/1999CA2160043C Drilling unit with hollow annular drill bit and central drill
12/04/1999CA2239658A1 Power saw with fluid cooling bearing assembly
12/02/1999DE19826353C1 Cutter for roof tiles, with abrasive cutter
12/02/1999DE19822223A1 Mortising machine for especially coated concrete or plaster floors
12/01/1999CN2351263Y Electric saw cutting machine with liquid-cooled bearing apparatus
12/01/1999CN1046890C Pavement cutting saw
11/1999
11/30/1999US5992405 Tool mounting for a cutting tool
11/25/1999DE19859885A1 Drilling tool manufacturing process for stone-drilling bit
11/24/1999EP0958964A1 Decorative trim element and method of manufacture thereof
11/24/1999CN2350181Y Stone milling machine
11/23/1999US5987767 Alignment jig
11/23/1999CA2127191C Artificial stone and method and apparatus for producing same
11/18/1999DE19821554A1 Drill with housing, operating spindle and striking tool
11/18/1999DE19820029A1 Führungswagen für einen Trennschleifer Carriage for an angle grinder
11/16/1999US5984596 Insertable tool and tool holder for drilling and/or impacting electric machines
11/16/1999US5983533 Scarifer machine with a shaking milling drum
11/11/1999WO1999056909A1 Guiding cart for a manually guided tool, especially an abrasive cut-off machine
11/10/1999EP0955119A2 Disk housing for electric cutter with water-cooled cutting disk
11/10/1999EP0954418A1 Method and apparatus for safe operation of self propelled concrete saw
11/10/1999CN2347739Y Horizontal marble grooving machine
11/10/1999CN1046230C Abrasive cutting tool
11/09/1999US5980371 Abrading tool
11/09/1999US5980168 Hollow crown drill
11/04/1999WO1999055506A1 Stone cutting apparatus using a saw wire carrying chain like cutting elements
11/03/1999CN2346558Y Rotary diamond beltsaw
11/02/1999US5975990 Method of producing semiconductor wafers
10/1999
10/28/1999WO1999054105A1 Drill bit
10/28/1999WO1999054102A1 Sawing module, sawing unit and sawing machine
10/28/1999DE19918065A1 Implement for rotary machine, with roller with radially protruding inserts
10/27/1999EP0951658A1 Template for the lens of a pair of glasses
10/27/1999EP0876241B1 Portable machine with positioning device for the working of hard materials
10/27/1999CN2345338Y Water-cooled quick diamond combined bit
10/27/1999CN2345337Y Cutting saw-web for plane stone
10/27/1999CN1232741A Punching tool
10/27/1999CN1232740A Drilling tool
10/21/1999DE19814960A1 Chisel for fitting to pneumatic drill
10/20/1999CN2344150Y High performance surface-reinforced annular saw blade
10/20/1999CN1045735C Drilling device having radially displaceable drill shank
10/19/1999US5966794 Method of manufacturing multiple-piece graphite crucible
10/14/1999WO1999051410A1 Sawing device having a rotating saw blade which is translationally moved around the longitudinal axis thereof
10/13/1999CN2342967Y Sliding base for drilling machine
10/12/1999US5964210 Apparatus and method for slicing a workpiece utilizing a diamond impregnated wire
10/12/1999US5964024 Method of cutting a cylindrical paper roll to a narrower width
10/07/1999DE19815371A1 Natural stone slab for mounting to wall rails as a cladding
10/07/1999DE19810806A1 System for producing bores in building walls for later laying of cables and-or pipelines
10/06/1999EP0946333A1 Crenelated abrasive tool
10/06/1999CN1231017A Drill shank for drill drive
10/06/1999CN1230914A Method and apparatus for forming cuts in catheters, guidewires and the like
10/06/1999CN1230912A Method and apparatus for preloading skid plate for early cutting concrete saw
10/05/1999US5962915 Single crystal wafers and a method of preparation thereof
10/05/1999US5960780 Lightweight stone cutting apparatus
09/1999
09/29/1999EP0945565A1 Demolition shears
09/29/1999CN2340596Y Multifunctional diamond cutting and grinding apparatus
09/29/1999CN1229706A Boring tool
09/29/1999CN1229705A Boring appts.
09/23/1999WO1999047324A1 Saw having movable table and saw blade
09/23/1999WO1999047323A1 Tile-cutting machine with a tile-positioning parallel and diagonal linear grating
09/23/1999WO1999037449A8 Hole drilling jig for spectacle lens and production jig therefor and hole drilling method for spectacle lens and spectacle lens
09/23/1999DE19811437A1 Bohrgerät mit Absaugvorrichtung Drill with dust extraction
09/22/1999EP0943395A2 Drilling tool with suction device
09/22/1999CN2339386Y Cutting machine special for floor tile
09/22/1999CN2339385Y Diamond band-saw
09/22/1999CN2339384Y Diamond circular saw-blade
09/22/1999CN2339383Y Cutter-edge formation mould
09/22/1999CN1229380A Method for manufacturing wooden boards by glueing and board product thereof
09/22/1999CN1229020A High-speed water-flow cutting device
09/16/1999DE19810912A1 Saug- und Austraggerät für eine Spülflüssigkeit Suction and dispensing a washing liquid
09/16/1999DE19810911A1 Bohrwerkzeug Drilling tool
09/16/1999DE19810910A1 Bohrgerät Drill
09/16/1999DE19810713A1 Core drilling machine with cylindrical crown pipe
09/16/1999DE19810511A1 Implement, especially drill, grinder or cutter
09/16/1999DE19810193A1 Bohrwerkzeug Drilling tool
09/16/1999DE19810192A1 Bohrwerkzeug Drilling tool
09/16/1999DE19809462A1 Carriage support arrangement for tile cutting machine
09/15/1999EP0941828A2 Liquid dispersing and suction device
09/15/1999EP0941802A2 Drilling apparatus
09/15/1999EP0941794A2 Drilling tool
09/15/1999EP0941793A2 Drilling tool
09/15/1999EP0941792A2 Drilling tool
09/15/1999CN2338153Y Pattern movement mechanism of machine for cutting marble
09/14/1999US5951217 Operating device for a hollow drill
09/14/1999US5950612 Apparatus for cutting concrete
09/10/1999WO1999044798A1 Modular system of circular saw blades for forming curved surfaces in marble, stone and the like
09/10/1999WO1999044797A1 Diamond tip disk saw
09/10/1999CA2319533A1 Modular system of circular saw blades for forming curved surfaces in marble, stone and the like
09/09/1999DE19810775A1 Bore crown used for hammering in
09/09/1999DE19809358A1 Hole-puncher for tiles, with bench saw
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