| Patents for B28D 1 - Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhere; Machines, devices, tools therefor (14,003) |
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| 04/12/2000 | EP0991490A1 Method for improving wear resistance of abrasive tools |
| 04/12/2000 | CN2373238Y Planer-type steel band stonecutter |
| 04/11/2000 | US6047871 Brick cutting apparatus |
| 04/06/2000 | DE19845174A1 Verfahren und Vorrichtung zur mechanischen Bearbeitung von Betonsteinen Method and apparatus for mechanical processing of concrete blocks |
| 04/05/2000 | CN2372115Y Dust collector |
| 03/30/2000 | WO2000017129A1 Surface-treated mineral materials and method for producing them |
| 03/30/2000 | DE19908113A1 Cement-bonded floor covering element manufacturing process, involving striking blank in region of edges of upper side to create broken edges |
| 03/30/2000 | DE19843498A1 Oberflächenbehandelte mineralische Werkstoffe und Verfahren zu ihrer Herstellung Surface-treated mineral materials and process for their preparation |
| 03/29/2000 | EP0988950A1 Method of sawing stone, diamond cutting segment and saw blade equipped with such segment |
| 03/29/2000 | EP0988911A2 Drill for percussion drilling machines |
| 03/28/2000 | US6041766 Method of cutting blocks of hard substances into plates by means of a wire saw, and wire saw for carrying out this method |
| 03/23/2000 | DE19906885A1 Drilling tool, used on masonry |
| 03/23/2000 | DE19714253C2 Sägegatter zum Zersägen eines Gesteinsblocks zu Platten Reciprocating saws for cutting a stone blocks into slabs |
| 03/22/2000 | CN2369848Y Cutting blade |
| 03/22/2000 | CN2369847Y Knife feeder for stone cutter |
| 03/21/2000 | US6039037 Power cutter and centrifugal clutch for a power cutter |
| 03/16/2000 | WO2000013869A1 Diamond blade having segment type cutting tip for use in cutting, grinding or drilling apparatus |
| 03/16/2000 | WO2000013868A1 Diamond blade having rim type cutting tip for use in grinding or cutting apparatus |
| 03/16/2000 | WO2000013867A1 Sawing method for stone-cutting, diamond-bearing segment for cutting tool and cutting tool equipped with same |
| 03/16/2000 | DE19858944C1 Straight and circular cutter has ruler with sliding clamp for guiding knife or writing implement |
| 03/16/2000 | DE19841593A1 Bohrer für Hammerbohrmaschinen Hammer drill for drilling |
| 03/15/2000 | EP0985505A2 Outer-Diameter blade, inner-diameter blade, core drill and processing machines using same ones |
| 03/15/2000 | EP0651842B1 Method for manufacturing a stone product in sheet form |
| 03/15/2000 | CN2368683Y Disc transmission of bridge style disc stone sawing apparatus |
| 03/15/2000 | CN2368682Y Safeguard of bridge style disc stone sawing apparatus |
| 03/09/2000 | DE19900248A1 Plasterboard cutter |
| 03/08/2000 | EP0983831A2 Method for cutting rare earth alloy, method for manufacturing rare earth alloy plates and method for manufacturing rare earth alloy magnets using wire saw, and voice coil motor |
| 03/08/2000 | CN2367446Y Multifunction vertical arc stone machine-tool |
| 03/08/2000 | CN2367445Y Fuel brick |
| 03/08/2000 | CN2367444Y Cutting head of multifunction stone machining apparatus |
| 03/08/2000 | CN1246397A Method for cutting rare earth alloy by scroll saw and method for manufacturing rare earth latten |
| 03/07/2000 | US6033295 Segmented cutting tools |
| 03/07/2000 | US6032749 Drilling tool |
| 03/02/2000 | WO2000010785A1 Milling device for machining concrete surfaces and corresponding milling method |
| 03/02/2000 | WO2000010782A1 Separating device with cutting chain for processing sandwich panels |
| 03/02/2000 | DE19838195A1 Roller boring machine for drilling and clearing away stone and minerals has small boring tools radially mounted on rotatably driven sleeve |
| 03/01/2000 | CN2366252Y Adjustable dovetail sliding rail type machine for cutting blanks |
| 03/01/2000 | CN2366251Y Multi-funtional machine for workaing stone |
| 02/24/2000 | WO2000009287A1 Saw-cable guide with two swivelling cable guide rolls |
| 02/24/2000 | DE19837288A1 Milling machine for working on concrete surfaces has central milling roller for horizontal surfaces and side rollers with end milling cutters for vertical surfaces |
| 02/24/2000 | DE19836803A1 Milling machine for accurately cutting masonry blocks to shape incorporates set of differently-shaped milling wheels to cut blind bores and other shapes into rectangular block |
| 02/23/2000 | EP0980745A2 Machine having an anti-slippage means for the diamond cutting belt for cutting stones |
| 02/23/2000 | EP0980302A1 Diamond tip disk saw |
| 02/23/2000 | CN2365040Y Hydraulic profiling jigsaw machine for stone |
| 02/22/2000 | US6026618 Masonry reinforcement system |
| 02/17/2000 | WO2000007778A1 Apparatus for hard material removal |
| 02/17/2000 | DE19835689A1 Device for fixing cutting segments on drilling tube has stop with stop side adjoined by abutment for bearing on one or more cutting segments with outer diameter of abutment less than that on outer circumferential side of stop |
| 02/17/2000 | DE19822425C1 Verkleidungsteil für Dekorationszwecke und Verfahren zu dessen Herstellung Trim part for decorative purposes and process for its preparation |
| 02/16/2000 | CN2363861Y Diamond saw blade bit |
| 02/16/2000 | CN2363860Y Full-automatic green brick press |
| 02/15/2000 | US6024080 Apparatus and method for slicing a workpiece utilizing a diamond impregnated wire |
| 02/10/2000 | DE19921701A1 Lowering transmission for driven rotating tools with eccentric impact overlay, with engaged inner and outer gear crowns, one of which has damping devices |
| 02/10/2000 | DE19835167A1 Führungsschiene für Geräte zur Beton- bzw. Gesteinsbearbeitung Guide rail for equipment for concrete and stone processing |
| 02/10/2000 | DE19834912A1 Wall cutting process using cable saws, for cutting concrete, involving applying friction-reducing edge protection to inlets and/or outlets of borings |
| 02/09/2000 | EP0978490A2 Cutter wheel |
| 02/09/2000 | EP0978348A2 Guide rail for tools for the drilling of concrete or stone |
| 02/09/2000 | CN2362677Y Intermittent type cutter head saw disc |
| 02/09/2000 | CN2362676Y Digital controlled ceramic ellipse disc parts rolling formation machine |
| 02/09/2000 | CN2362630Y Hand-holding type drilling tool for pressured pipe line |
| 02/09/2000 | CN1243810A Knife wheel |
| 02/08/2000 | US6021773 Wire saw |
| 02/08/2000 | US6021772 Bandsaw and process for cutting off slices from a workpiece |
| 02/08/2000 | US6021771 Surfacing machine with "strip-sert" cutter assemblies |
| 02/03/2000 | WO2000005048A1 Method for sawing granites |
| 02/03/2000 | WO2000005021A1 Wire saw for cutting up stone blocks into slabs with tension adjustment of individual saw wires |
| 02/03/2000 | CA2338243A1 Wire saw for cutting up stone blocks into slabs with tension adjustment of individual saw wires |
| 02/02/2000 | EP0976513A1 Stone splitter with a pressurizer comprising a plastic sachet |
| 02/02/2000 | CN2361452Y Diamond band-saw cutting machine |
| 02/02/2000 | CN1243052A Production of sintered conductive thin-sheet and thin-plate and ceramic substrate and processing method thereof |
| 02/01/2000 | US6019433 Concrete saw with stabilized carriage and blade control |
| 02/01/2000 | CA2161129C Rock drill percussion mechanism |
| 01/19/2000 | EP0825917B1 Non-slip floor covering and process for producing it |
| 01/19/2000 | CN2359086Y Improved of bridge profiling cutting machine |
| 01/19/2000 | CN2359085Y Multipurpose programme-contrelled stoncutter |
| 01/18/2000 | US6014919 Method and apparatus for forming cuts in catheters, guidewires, and the like |
| 01/18/2000 | CA2080922C Measuring and cutting apparatus |
| 01/13/2000 | DE19830220A1 Drilling tool such as drilling crown or hole saw, with clamping shaft and centering drill made in one piece |
| 01/12/2000 | EP0970789A2 Ceramics base plate and method of producing the same |
| 01/12/2000 | EP0970786A1 Hole drilling jig for spectacle lens and production jig therefor and hole drilling method for spectacle lens and spectacle lens |
| 01/12/2000 | CN1241237A Rock drill |
| 01/11/2000 | US6012441 On base of ceramic tile cutter |
| 01/05/2000 | EP0969263A1 Breakdown device |
| 01/05/2000 | DE19842670C1 Stone splitter with a simplified operating system |
| 01/05/2000 | DE19829263A1 Drill bit for drilling into building stone |
| 01/05/2000 | CN2356833Y Multi-angle cutting machine for nonmetallic board |
| 01/05/2000 | CN2356832Y Multifunctional machine for cutting, grinding and drilling stone |
| 01/05/2000 | CN2356831Y Hand self-pressing machine for milling and grinding stone |
| 01/05/2000 | CN2356830Y Copying mechanism for marble cutting mechanism |
| 01/05/2000 | CN1240161A Electric saw cutting machine with liquid cooling bearing device |
| 01/04/2000 | US6010951 Dual side fabricated semiconductor wafer |
| 01/04/2000 | US6010010 Process for reclaiming a grinding suspension |
| 01/04/2000 | CA2100488C Tool and tool holder for hand-tool apparatus |
| 01/04/2000 | CA2008169C Hollow drilling tool |
| 12/29/1999 | EP0967183A1 Method of machining a quartz glass component |
| 12/29/1999 | CN2355860Y Cutter for glazed tile |
| 12/28/1999 | US6006735 Automated stoneworking system and method |
| 12/23/1999 | DE19826919A1 Werkzeug zur Bearbeitung von harten Untergründen Tool for machining hard substrates |
| 12/22/1999 | EP0965422A1 Manually-operated tile cutter |
| 12/22/1999 | EP0965407A1 Tool for machining hard materials |
| 12/22/1999 | CN2354729Y Stone cutter |