| 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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| 08/13/1998 | DE19804387A1 Stone cutting machine for production of slabs |
| 08/12/1998 | EP0857552A2 Stone cutting element with increased wear resistance |
| 08/12/1998 | CN2287552Y Multifunctional cutter |
| 08/11/1998 | US5792566 Single crystal wafers |
| 08/11/1998 | US5791737 Elliptical disc grinder |
| 08/11/1998 | US5791424 Drill bit for the rotary-percussive drilling of preferably rock, concrete or the like |
| 08/11/1998 | US5791330 Abrasive cutting tool |
| 08/05/1998 | CN2287080Y Cutting head of saw disc diamond |
| 08/04/1998 | US5788561 Apparatus for grinding floor surfaces and/or cutting grooves in floors |
| 08/04/1998 | US5788430 Drilling tool for rotary percussion drilling |
| 08/04/1998 | US5788428 Power tool driving systems |
| 08/04/1998 | US5787871 Cutting disc with tabs |
| 07/30/1998 | WO1998032578A1 Saw member, link of saw member and a method of producing a saw member |
| 07/30/1998 | CA2277802A1 Saw member, link of saw member and a method of producing a saw member |
| 07/29/1998 | EP0854773A2 Insertable tool and tool holder for drilling and/or impacting electric machines |
| 07/29/1998 | CN2286666Y Superthin plate stone sawing machine |
| 07/28/1998 | US5785729 Method for manufacturing large-sized quartz glass tube |
| 07/16/1998 | WO1998030372A1 Pavement cutting machine |
| 07/16/1998 | DE19750055A1 Tile cutting apparatus with baseplate |
| 07/15/1998 | EP0738207B1 Pavement cutting saw |
| 07/15/1998 | CN1187412A Tile cutter |
| 07/15/1998 | CN1187411A Technique for continuously pre-cutting composite sandwich panel |
| 07/14/1998 | US5779527 Stone bevelling machine |
| 07/09/1998 | WO1998010694A3 Method and apparatus for forming cuts in catheters, guidewires and the like |
| 07/08/1998 | CN1186729A Method for separating stone and the like and stone saw |
| 07/07/1998 | US5775781 Pavement marking removal tool and method |
| 07/07/1998 | US5775445 Drilling unit with hollow annular drill bit and central drill |
| 07/01/1998 | EP0850385A1 A method and a device for sensing the distance between a first object and a second object |
| 07/01/1998 | CN2285200Y Cutting machine |
| 06/30/1998 | US5772900 Filter and filtration of fluids with abrasive grains, cutting chips and circulation of fluids for purification |
| 06/30/1998 | US5772497 For abrasive treatment of a surface |
| 06/30/1998 | US5771982 Rock drill |
| 06/25/1998 | DE19654597A1 Especially low cost rotary coring drill without spirals for cuttings, used with or without percussion |
| 06/25/1998 | DE19652846A1 Crown arrangement for core boring machine |
| 06/24/1998 | EP0849059A2 Twin blade V-groove cutter |
| 06/24/1998 | EP0849037A1 Lateral planing apparatus for tiles and refractory products of different size |
| 06/24/1998 | EP0849036A1 Lateral planing apparatus for tiles and refractory products of different size |
| 06/24/1998 | CN2284683Y 金刚石曲线切割锯 Diamond curve saws |
| 06/18/1998 | DE19701000A1 Appliance for treating glass or stone panels, especially for boring holes or grooves |
| 06/11/1998 | WO1998024606A1 Hollow drilling tool, particularly a diamond drilling tool |
| 06/10/1998 | EP0846835A2 Concrete- or rock drill bit with helical evacuation grooves |
| 06/10/1998 | EP0846537A2 Diamond tool |
| 06/10/1998 | DE19737201C1 Boring machine preparing lined or sooted flues for stainless liner |
| 06/10/1998 | DE19650718A1 Hohlbohrwerkzeug, insbesondere Diamantbohrwerkzeug Hollow drill bit, especially Diamantbohrwerkzeug |
| 06/10/1998 | CN2283565Y Spherical surface processing machine |
| 06/10/1998 | CN2283564Y Double-knife stercoscopic forming rock cutterbar |
| 06/10/1998 | CN1038702C Rotating drill |
| 06/09/1998 | US5762061 Splitting apparatus |
| 06/03/1998 | CN2282974Y Screw type hollow drilling bit |
| 06/03/1998 | CN1183343A 瓷砖切割器 Tile cutters |
| 06/03/1998 | CN1183342A Boring tool with hollow cylindrical carrier |
| 06/02/1998 | US5758634 Method for creating a step in a concrete block |
| 05/28/1998 | WO1998022260A1 Crenelated abrasive tool |
| 05/28/1998 | DE19750480A1 Tile cutting device |
| 05/28/1998 | CA2271806A1 Crenelated abrasive tool |
| 05/27/1998 | EP0844055A1 Tubular saw having a body consisting of two coaxially mounted tubes |
| 05/27/1998 | CN1038487C Device for producing drilled holes with undercut |
| 05/26/1998 | US5755635 Crank device for the transmission of energy with elimination of dead centers, particularly suited for bicycles and the like |
| 05/22/1998 | WO1998021288A1 Suspending, lubricating and antioxidant product for use with abrasive slurry to cut granite, stones and similar materials |
| 05/20/1998 | EP0842740A2 Stone parting tool with composite support |
| 05/20/1998 | EP0842027A1 Cutting apparatus |
| 05/20/1998 | CN2281888Y Dustless churn drilling |
| 05/14/1998 | WO1998019841A1 High speed cutting belt |
| 05/14/1998 | WO1998019837A1 Cutting work vehicle |
| 05/14/1998 | WO1997046356A3 Compact motorized table saw |
| 05/14/1998 | DE19734094A1 Drill bit for boring into masonry especially concrete |
| 05/14/1998 | DE19734093A1 Drill bit for boring into masonry especially concrete |
| 05/13/1998 | EP0841138A1 Method and device for marking concrete pipes |
| 05/13/1998 | CN2281261Y Three face brick mill with single axle |
| 05/13/1998 | CN2281236Y Abrasive disc attached on electric drill |
| 05/12/1998 | US5749775 Diamond belt for cutting stones |
| 05/12/1998 | US5749353 Cutting blade with an impact load prevention layer |
| 05/06/1998 | EP0839620A1 Diamond type cutting blade for defective stone materials |
| 05/06/1998 | EP0839619A1 Core drill |
| 05/06/1998 | CN2280614Y Super-wide plane cutter with multiple cutters for stone |
| 05/06/1998 | CN1180726A Sawing suspension and method for cutting wafers from crystal |
| 05/05/1998 | US5746193 Press assembly for a portable masonry cut-off saw |
| 04/29/1998 | CN2279998Y Stone cutting machine with diamond strap saw |
| 04/28/1998 | US5743247 Method and apparatus for safe operation of self propelled concrete saw |
| 04/23/1998 | DE19640462C1 Method and device for making ceramic flat base tiles and stepped tiles |
| 04/22/1998 | EP0837115A1 Slicing slurry and method for cutting wafers from a crystal |
| 04/22/1998 | EP0836920A1 Mobile portal-frame machine for cutting blocks of granite, marble and stone in general, and relative plant |
| 04/22/1998 | EP0836903A1 diamond disc tool for cutting granite, marble, reinforced concrete and stony materials in general |
| 04/22/1998 | CN2279256Y Piston rod distributing pneumatic impact mechanism |
| 04/22/1998 | CN2279255Y Ultrathin diamond cutting slice |
| 04/22/1998 | CN2279254Y Round disc stone sawing machine |
| 04/22/1998 | CN2279253Y Angular correction positioner for glazed tile edge finishing |
| 04/22/1998 | CN1179371A Roller Chain rolling-pushing type cutting machine |
| 04/16/1998 | WO1998015690A1 A device and a method for moving an object |
| 04/15/1998 | CN2278587Y Multicutterhead percussion bit |
| 04/15/1998 | CN2278586Y Rock cutting machine |
| 04/15/1998 | CN2278585Y Drum type plate channeling machine |
| 04/08/1998 | CN2277875Y Stone material shaping machine by cutting and pressing |
| 04/07/1998 | US5735650 Drill bit for drilling an undercut hole |
| 04/07/1998 | US5735648 Tool bit with carrier member and cutting member |
| 04/07/1998 | US5735259 High speed cutting belt |
| 04/02/1998 | WO1998013180A1 Operational mixtures for sawing rocks and use of these mixtures |
| 04/02/1998 | DE19654883A1 Support and guide rail system for wall-mounted saws, for cutting stones etc |
| 04/01/1998 | EP0832725A2 A numerical control machine for through cutting of hard materials such as stone |
| 04/01/1998 | CN2277334Y Elastic tool post |