| 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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| 09/09/1999 | DE19807900A1 Core drilling machine with core drill and platform |
| 09/09/1999 | DE19807899A1 Bore drilling machine e.g. for drilling bores in concrete component such as drainage pipe |
| 09/08/1999 | EP0940237A1 Modular system of circular saw blades for forming curved surfaces in marble, stone and the like |
| 09/08/1999 | EP0940236A2 Method and apparatus for drilling dewatering holes into a hollow-core slab |
| 09/08/1999 | CN2336944Y Door type marble stone cutting machine |
| 09/08/1999 | CN2336943Y Composite base diamond saw bit |
| 09/08/1999 | CN1044989C Machine for sawing arc stone |
| 09/07/1999 | US5947104 For applying a force to a tool |
| 09/07/1999 | US5947103 Stone tile finishing system |
| 09/07/1999 | US5947102 Method for cutting wafers from a crystal |
| 09/07/1999 | US5946830 For cutting concrete parts |
| 09/01/1999 | EP0938958A1 Cutting segment |
| 09/01/1999 | EP0938946A1 Method of cleaving a brittle material using a point heat source for providing a thermal stress |
| 09/01/1999 | CN2335768Y Headstock travelling mechanism for stone grinding and polishing machine |
| 09/01/1999 | CN2335767Y Mushroom stone mitre sawing machine |
| 08/26/1999 | WO1999042267A1 Cutting frame for sawing blocks of stone, rock, granite, marble or the like |
| 08/26/1999 | WO1999042242A1 Treatment of slate by means of a laser |
| 08/25/1999 | EP0937938A1 A method of connecting a branch pipe with a mains pipe or manhole and a drilling device for forming the connecting aperture |
| 08/25/1999 | EP0937860A1 Drill and or chisel tool |
| 08/25/1999 | CN2334568Y Stone material trimming die |
| 08/25/1999 | CN2334567Y Hydraulic controller for stone material press-cutting shaping machine |
| 08/25/1999 | CN1226627A Drill and/or welding tool |
| 08/24/1999 | US5942975 Method and a device for sensing the distance between a first object and a second object |
| 08/24/1999 | US5941292 Tool for rock breaking and log splitting |
| 08/24/1999 | US5941227 Portable saw with disconnectable platform for cutting concrete for controlling cracks |
| 08/19/1999 | WO1999041457A1 Dual action cutting device |
| 08/19/1999 | WO1999034954A8 Stone tile finishing system |
| 08/19/1999 | DE19804428A1 Verfahren zum Markieren oder Bohren von Löchern in Brillengläsern und Vorrichtung zur Durchführung des Verfahrens A method for marking or drilling holes in spectacle lenses and apparatus for implementing the method |
| 08/18/1999 | CN2333525Y Backing cutter |
| 08/12/1999 | WO1999039871A1 Method for marking or drilling holes in glass lenses and device for realising the same |
| 08/12/1999 | DE19905281A1 Hydraulic crusher maintenance requirement detection assembly |
| 08/11/1999 | EP0934141A2 Method and apparatus for forming cuts in catheters, guidewires and the like |
| 08/11/1999 | CN1044584C Drilling apparatus |
| 08/05/1999 | DE19802907A1 Sawing device |
| 08/04/1999 | EP0932485A1 Operational mixtures for sawing rocks and use of these mixtures |
| 08/04/1999 | CN2331499Y Machine for cutting special-shaped stone |
| 08/03/1999 | US5931614 Annular bit having a center drill |
| 07/29/1999 | WO1999037449A1 Hole drilling jig for spectacle lens and production jig therefor and hole drilling method for spectacle lens and spectacle lens |
| 07/29/1999 | WO1999037431A1 Saw wire |
| 07/29/1999 | DE19856336A1 Cutting apparatus for cutting ceramic tiles |
| 07/29/1999 | DE19803166A1 Round shaft chisel for coal cutting machine |
| 07/29/1999 | CA2318605A1 Saw wire |
| 07/28/1999 | CN2330488Y Improved base structure for ceramic tile treatment equipment |
| 07/23/1999 | CA2254243A1 Cutting apparatus |
| 07/22/1999 | DE19838846A1 Bench stand machine for cutting and splitting workpieces of wood or stone |
| 07/22/1999 | DE19812454C1 Concrete breaker tool head |
| 07/21/1999 | CN2329502Y Floor draining brick |
| 07/15/1999 | WO1999035220A1 Aqueous cutting fluid, aqueous cutting agent, and process for cutting hard brittle materials with the same |
| 07/15/1999 | WO1999034954A1 Stone tile finishing system |
| 07/14/1999 | EP0928360A1 Drill shank for a drill drive |
| 07/14/1999 | CN1222437A Stone cutting method |
| 07/13/1999 | US5921228 Multi-directional, self-propelled saw for cutting concrete slabs |
| 07/13/1999 | CA2161034C Drill bit |
| 07/08/1999 | WO1999033622A1 Process, equipment and stone-processing line for the production of tiles of artificial or natural stone - especially marble _____ |
| 07/07/1999 | CN2327516Y 石材剪切模具 Die Cut Stone |
| 07/07/1999 | CN1044023C Rock twist drill |
| 07/06/1999 | US5918586 High speed cutting belt |
| 07/05/1999 | CA2226169A1 Stone tile finishing system |
| 06/30/1999 | EP0925893A2 Wall grooving device with adjustable depth of cut |
| 06/30/1999 | EP0925881A1 Tool |
| 06/30/1999 | EP0925162A1 Method and arrangement for cutting boards, especially plaster boards |
| 06/30/1999 | CN2326414Y Small bridge-type hand stone-cutting machine |
| 06/30/1999 | CN2326405Y Decorative tile cutting pliers |
| 06/30/1999 | CN1220936A Method and equipment for processing carbon bodies |
| 06/30/1999 | CN1220935A Tool |
| 06/29/1999 | US5915894 Core drill |
| 06/17/1999 | WO1999029456A1 Cable saw with at least two simultaneous sawing cable shafts |
| 06/17/1999 | DE19753618A1 Parting grinding disk |
| 06/16/1999 | EP0922551A2 Stone milling machine with rotating milling tool having percusive action |
| 06/16/1999 | EP0922516A1 Method and equipment for processing carbon bodies |
| 06/16/1999 | EP0921901A1 Method and apparatus for preloading a skid plate for an early cutting concrete saw |
| 06/16/1999 | CN2323943Y Working table for cutting ceramic tile |
| 06/16/1999 | CN1043616C Device for producing drilled holes with undercut |
| 06/10/1999 | WO1999028103A1 Method, tool and apparatus for sawing stone blocks |
| 06/10/1999 | DE19754520A1 Seilsäge Wire saw |
| 06/10/1999 | DE19753705A1 Concrete slab grooving procedure |
| 06/10/1999 | DE19753092A1 Glass or ceramic cutting wheel with CVD polycrystalline diamond coating |
| 06/09/1999 | EP0920959A2 Cutting tool and method for the manufacture thereof |
| 06/02/1999 | CN2321610Y Edge cutting machine for special shape dish like articles |
| 05/26/1999 | EP0917940A2 Splitting machines |
| 05/26/1999 | EP0917939A1 Core bit |
| 05/26/1999 | CN1217257A Mfg. method for computer carved-stone products |
| 05/20/1999 | WO1999024863A1 Template for the lens of a pair of glasses |
| 05/19/1999 | EP0916463A1 Method for recycling an abrasive suspension |
| 05/19/1999 | CN2319199Y Caterpillar stone sawing machine |
| 05/18/1999 | US5904408 Rotary cutter and mounting arrangement for cutting tools |
| 05/17/1999 | CA2254212A1 Cementitious building panel with cut bead |
| 05/12/1999 | EP0914893A2 Hand held wire saw |
| 05/12/1999 | DE19748987A1 Rotary-percussive stone drill for breakthrough work |
| 05/12/1999 | CN2318021Y Column type gantry cutter |
| 05/06/1999 | EP0912308A1 Grout or mortar removal by laser |
| 05/06/1999 | EP0912307A1 Hand-held motor-driven saw |
| 05/06/1999 | EP0912306A2 Compact motorized table saw |
| 05/06/1999 | EP0912289A1 Friction welded drill rod and method for manufacturing the rod |
| 05/06/1999 | DE19747687A1 Wedge-shaped joint cutter for roads, etc. |
| 05/04/1999 | US5899644 Apparatus for supporting a hand guided drill tool |
| 04/28/1999 | EP0762952B1 Method of separation of a piece from a volume of material by propagation of a single crack |
| 04/28/1999 | CN2316114Y Stone profile grinding machine |
| 04/28/1999 | CN2316113Y Gravel drill bit |
| 04/28/1999 | CN2316112Y Platform stone saw bench |