| 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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| 04/22/1999 | DE19827058A1 Cutter head for tunneling machines in civil constructions |
| 04/21/1999 | CN2314921Y One-step forming and rotary cutting machine for top (bottom) arc ring |
| 04/21/1999 | CN2314920Y Cutting saw for building blocks |
| 04/21/1999 | CN2314919Y Static extruding and forming mold for stone material |
| 04/20/1999 | US5895179 Drill |
| 04/20/1999 | CA2176610C Laser machining of glass-ceramic materials |
| 04/14/1999 | EP0907448A1 Wire saw |
| 04/08/1999 | DE19743721A1 Spent grinding suspension, used for machining silicon, quartz or ceramic, is reprocessed |
| 04/07/1999 | CN2312802Y Double-way double-cutting-piece stone cutting device |
| 04/07/1999 | CN1213332A Metal single layer abrasive cutting tool having contoured cutting surface |
| 04/07/1999 | CN1042825C Method for manufacturing large scale quartz glass tube |
| 04/07/1999 | CN1042813C Rock colour-changing method and dye |
| 04/01/1999 | DE19741617A1 Method for cutting or separating workpieces, especially for sawing rolled products |
| 03/31/1999 | EP0904907A2 Wire saw with saw wire storage roller |
| 03/31/1999 | EP0904906A1 Method and apparatus for treating concrete blocks |
| 03/31/1999 | CN1212644A Method of cutting blocks of hard substances into plates by means of wire saw, and wire saw for carrying out this method |
| 03/30/1999 | US5887579 Saw and saw blade |
| 03/30/1999 | CA2051221C Method of manufacturing a bimetal casting and wearing part produced by this method |
| 03/24/1999 | EP0903570A2 Device for driving tubular drill |
| 03/24/1999 | CN1042612C 瓷砖切割器 Tile cutters |
| 03/23/1999 | CA2090964C Abrasive tool |
| 03/18/1999 | DE19841521A1 Cutting and breaking device |
| 03/18/1999 | DE19740277A1 Boring tool for rotary striking boring of stone or concrete |
| 03/17/1999 | EP0901895A1 Drilling device |
| 03/17/1999 | CN2310660Y Special slicer for cement tile machine |
| 03/17/1999 | CN1210782A Technological method of plasma reinforcement circular stone saw blade |
| 03/17/1999 | CN1210781A Method for processing golden stone by using natural granite |
| 03/17/1999 | CA2216049A1 Rail drive for stone cutting saw |
| 03/13/1999 | CA2245103A1 Cutting/breaking apparatus |
| 03/11/1999 | DE19838480A1 Power driven cutting machine equipped with dust collector |
| 03/11/1999 | DE19739523A1 Cable sawing machine |
| 03/11/1999 | DE19737162A1 Stencil for drilling a spectacles lens |
| 03/10/1999 | EP0900880A2 Scarifier machine with a shaking milling drum |
| 03/09/1999 | US5878737 Apparatus and method for slicing a workpiece utilizing a diamond impregnated wire |
| 03/09/1999 | US5878639 Wall surface cutting and repairing apparatus and method |
| 03/04/1999 | WO1999010149A1 Apparatus for automatic layout and cutting corner lines in stone |
| 03/03/1999 | CN2309212Y Improved table of circular sawing machine |
| 03/02/1999 | US5876845 Diamond |
| 03/02/1999 | US5875771 Saw cable guide |
| 02/24/1999 | EP0898051A1 Combination of a conventional slotting tool with eccentric driven milling tools |
| 02/24/1999 | CN2308497Y Special shaped stone material processor |
| 02/23/1999 | CA2119306C Improved superabrasive tool |
| 02/18/1999 | CA2245148A1 Combination of conventional or superimposed percussive slot-cutting tools |
| 02/17/1999 | EP0896867A2 Saw blade with thermally decoupled mounting of cutting segments onto blade body |
| 02/16/1999 | US5871005 Wheel cutter blade |
| 02/10/1999 | EP0895842A2 Machine for cutting slabs of various materials such as marble, ceramics, terracotta, sandstone, glass and the like into tesserae |
| 02/10/1999 | CN2306877Y Diamond disc turning tool for cutting granite marble concrete and general stone material |
| 02/10/1999 | CN1042025C Method for manufacture of stone product in sheet form |
| 02/09/1999 | US5868125 Crenelated abrasive tool |
| 02/03/1999 | EP0894593A2 Method for manufacturing mosaic tesserae with an antique appearance, and tesserae manufactured thereby |
| 02/03/1999 | EP0894579A1 Drill stand, particularly for stone drills, with a water suction ring |
| 02/03/1999 | EP0894165A1 Elliptical disc grinder |
| 02/03/1999 | CN2306115Y Stone cutter |
| 02/03/1999 | CN1206654A Multi-cutter one-step forming conical-tube rotary-cutting machine |
| 02/03/1999 | CN1206653A Upper (lower) arc-ring one-step forming rotary-cutting machine |
| 02/03/1999 | CN1206652A Multi-cutter one-step sphere-forming rotary-cutting machine |
| 02/02/1999 | US5865571 Adapted to cut a circular hole in a workpiece |
| 01/28/1999 | DE19833466A1 Rotary cutting device with drum |
| 01/28/1999 | DE19747651A1 Stone cutter with saw blade clamped in frame, with drive mechanism |
| 01/27/1999 | CN2305279Y Rail-free rock cutter |
| 01/27/1999 | CN1205994A Method for manufacturing autique mosaic tesserae, and tesserae manufactured thereby |
| 01/27/1999 | CN1041844C Reproduction of diamond saw disc body |
| 01/21/1999 | WO1999002268A1 Improved mobile compactor, pulverizer & cutting apparatus and method therefor |
| 01/21/1999 | WO1998046405A3 Method for producing nonslip floor coverings |
| 01/20/1999 | CN2304524Y Multifunctional concrete drill |
| 01/19/1999 | US5860349 For cutting a workpiece |
| 01/19/1999 | CA2132195C Mounting arbor for saw cutting blades |
| 01/14/1999 | WO1999001247A1 Blade construction for a cutting machine |
| 01/13/1999 | CN2303717Y Combined integral fixed-plate die for stone |
| 01/12/1999 | US5857453 Precision slot cutting machine for concrete and asphalt |
| 01/12/1999 | CA2160042C Drilling tool bit with a carrier member and cutter member |
| 01/07/1999 | EP0888851A2 Drilling - and/or percussion apparatus |
| 01/06/1999 | CN2302883Y Synneusis diamond sectional block with notch |
| 12/30/1998 | EP0887159A1 A device for cutting a roll |
| 12/30/1998 | EP0886552A1 Metal single layer abrasive cutting tool having a contoured cutting surface |
| 12/30/1998 | EP0785867B1 Improvement of plate glass edge strength |
| 12/30/1998 | CN2302107Y Machine for cleaving rock |
| 12/30/1998 | CN2302106Y Combined stone processing machine |
| 12/30/1998 | CN2302105Y Hollow column stone cutting and grinding machine |
| 12/24/1998 | DE19826198A1 Cutting parting off disc for hard materials |
| 12/24/1998 | DE19810461A1 Joint cutting machine with drive shaft and cutter element on connecting rod |
| 12/24/1998 | DE19726613A1 Mobile drilling machine with step negotiating movement mechanism |
| 12/24/1998 | DE19724340A1 Listel-forming method for brick, especially clinker brick |
| 12/23/1998 | WO1998057771A1 Method for improving wear resistance of abrasive tools |
| 12/23/1998 | EP0885703A1 Discharge hydraulic pressure destroying method |
| 12/23/1998 | EP0885083A1 Method of cutting blocks of hard substances into plates by means of a wire saw, and wire saw for carrying out this method |
| 12/23/1998 | CN2301315Y Hydraulic shaped stone bevelment forming machine |
| 12/23/1998 | CN1041293C 钻孔工具 Drilling Tools |
| 12/23/1998 | CA2291279A1 Method for improving wear resistance of abrasive tools |
| 12/22/1998 | CA2069512C Method for the production of composite panels based on ornamental stone or an equivalent material |
| 12/18/1998 | CA2240695A1 Method of manufacturing multiple-piece graphite crucible |
| 12/17/1998 | WO1998056553A1 Core bit |
| 12/16/1998 | EP0884775A1 Electronic component and manufacturing method therefor |
| 12/16/1998 | EP0884448A2 Rock drill bit with helical evacuation grooves |
| 12/16/1998 | EP0884152A1 A slab of stone material with multiple layer paper and phenolic resin-based backing, and method for making slab |
| 12/16/1998 | EP0883475A1 Apparatus for quickly ageing building and furnishing materials such as stones, granite, marble, bricks, floorings, mosaics |
| 12/16/1998 | CN1041184C Technology for making health 'Muyushi' stone handicraft |
| 12/15/1998 | CA2160044C Hollow annular drill bit with hollow cylindrical carrier member |
| 12/09/1998 | EP0725716B1 Joint cutter |
| 12/09/1998 | CN2299705Y 切割机 Cutting Machine |