| 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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| 12/16/1987 | EP0249197A1 Cutter |
| 12/16/1987 | CN86107053A Manufacturing technique for electroplated diamond saw blade |
| 12/03/1987 | DE3618191A1 Concrete breaker |
| 12/02/1987 | EP0247205A1 Reactor shielding wall dismantling apparatus |
| 11/26/1987 | DE3716939A1 Device for cutting boards, especially insulating boards |
| 11/26/1987 | DE3616922A1 Portal saw for the cross-cutting and ribbing (transverse and longitudinal cutting) of plate material |
| 11/24/1987 | USRE32548 Tile parting devices |
| 11/19/1987 | EP0245810A2 Disk-shaped milling tool |
| 11/19/1987 | EP0245572A2 Rock breaking apparatus |
| 11/10/1987 | US4705017 Stress resistant abrasive cutting wheel |
| 11/04/1987 | EP0244040A2 Method to separate non-crystalline objects, in particular thick-film substrates |
| 11/04/1987 | EP0243981A1 Method for cutting-off an elongate piece of concrete and a cutting tool |
| 10/31/1987 | CN86210807U Marble cutting chain with diamond cutter |
| 10/28/1987 | EP0242638A1 Boring tool |
| 10/28/1987 | EP0242411A1 Stone strap saw blade |
| 10/22/1987 | WO1987006311A1 A device for mounting a rail or the like on a surface |
| 10/21/1987 | EP0242174A1 Method and tool for providing a chamfered hole |
| 10/20/1987 | US4701083 Tool holder for drilling and chiselling tools |
| 10/20/1987 | US4700789 Device to obtain ring-shaped cavities in the bottom of drilled holes made in any type of medium |
| 10/14/1987 | EP0241422A1 Mobile chain saw for working concrete, stone and masonry work |
| 10/14/1987 | EP0241417A1 Mobile surface treatment mechanism, in particular for treating floors in buildings |
| 10/13/1987 | CA1227931A1 Abrasive cutting wheel |
| 10/13/1987 | CA1227927A1 Brake system for cutters of surface cleaning cutter cage |
| 10/07/1987 | EP0240093A2 Drilling apparatus for drilling holes in glass sheets |
| 10/07/1987 | EP0239676A1 Saw blade |
| 10/06/1987 | US4697850 Cutter drum for pavement profiler |
| 09/30/1987 | EP0238957A2 Tool for a hydraulic hammer or the like |
| 09/30/1987 | EP0238648A1 Process and device for making deep cuts in concrete or similar material. |
| 09/30/1987 | CN86101685A Cutting stone material by the roll-pressing method and equipment and tool thereof |
| 09/29/1987 | CA1227325A1 Plate glass repair apparatus |
| 09/15/1987 | US4693232 Tile-cutting machine |
| 09/10/1987 | DE3605877A1 Milling-roller mounting for milling machines for milling off roadway pavings |
| 09/09/1987 | EP0235581A1 Coupling, especially for a diamond drill bit with a tube shaft and tube winding connection |
| 09/08/1987 | US4691685 Sawblade collar assembly |
| 09/08/1987 | US4691684 Apparatus for modifying building blocks |
| 09/03/1987 | DE3606581A1 Grinding or cutting disc |
| 09/03/1987 | DE3603315C1 Rotating parting tool for working plate-shaped natural- or synthetic-stone material |
| 09/02/1987 | EP0233921A1 Abrasive cutting wheel body construction |
| 09/01/1987 | US4689919 Focusing electron or laser beam on boundary between steel core and cobalt powder compact |
| 08/27/1987 | WO1987005064A1 Boom operated demolition apparatus and method of breaking composite material |
| 08/27/1987 | WO1987004971A1 Blade shaft drive assembly |
| 08/26/1987 | EP0233244A1 Method and apparatus for installing marble panels |
| 08/25/1987 | US4688856 Round cutting tool |
| 08/19/1987 | EP0232282A1 Construction industry tool |
| 08/12/1987 | EP0231720A1 Apparatus for the obtention of annular cavities at the bottom of drills made on surfaces of any kind |
| 08/12/1987 | EP0231317A1 Apparatus for engraving upstanding surfaces |
| 08/12/1987 | EP0231316A1 Machine for engraving upstanding surfaces |
| 08/12/1987 | CN86200870U Diamond band saw cutter |
| 08/05/1987 | EP0230429A1 Stone saw. |
| 08/05/1987 | CN86204588U Drill bit for machining hard and brittle materials |
| 08/04/1987 | US4684303 Drill stand with a guide column |
| 08/04/1987 | US4684297 Milling cutter for cutting the contaminated surface of concrete |
| 08/04/1987 | US4684176 Cutter bit device |
| 07/30/1987 | DE3613477C1 Installation for separating the two parts of split clinkers |
| 07/28/1987 | US4682987 Method and composition for producing hard surface carbide insert tools |
| 07/23/1987 | DE3601629A1 Splitting device for stone materials or stone-like materials |
| 07/22/1987 | EP0229687A2 Method of manufacturing wafers of semiconductor Material |
| 07/22/1987 | EP0229404A1 Improvements in and to diamond segments and inserts |
| 07/22/1987 | EP0229318A1 Method for the flame blasting of natural and/or artificial kinds of rock |
| 07/21/1987 | US4681489 Process of forming openings |
| 07/21/1987 | US4681174 Diamond crown bit |
| 07/16/1987 | WO1987004109A1 Apparatus for modifying building blocks |
| 07/14/1987 | US4679541 Belt-configured saw for cutting slots into stone |
| 07/14/1987 | US4679476 Scoring guide and glass cutter system |
| 07/09/1987 | EP0187737A4 METHOD OF MACHINE CUTTING SILICON METAL PARTICULATES WITH Si3N4. |
| 07/07/1987 | US4677963 Annular cutting disc |
| 07/01/1987 | EP0227576A2 Hydraulic impact tool |
| 06/30/1987 | US4676557 Cooling system for wheeled saw |
| 06/23/1987 | US4675825 Computer-controlled peripheral shaping system |
| 06/23/1987 | US4674473 Core slabbing method |
| 06/19/1987 | DE3543724A1 Cutting machine |
| 06/17/1987 | CN86108665A Drilling tool for directionally cracking brittle material such as stone material |
| 06/16/1987 | US4673218 Tunnel excavation method |
| 06/16/1987 | US4672874 Glass scoring assembly |
| 06/11/1987 | DE3543274A1 Cutting machine for mineral building materials |
| 06/10/1987 | CN86204606U Combined drill for cutting hard & brittle material |
| 06/04/1987 | WO1987003325A1 Reactor shielding wall dismantling apparatus |
| 06/04/1987 | DE3542259A1 Cutting implement |
| 06/03/1987 | EP0223896A2 Cutter chain link of a shearing chain |
| 06/02/1987 | US4669446 Wire saws for the shaping of stone, granite and the like |
| 06/02/1987 | US4669236 Memorial holders for cremation ashes |
| 05/27/1987 | CN85107238A Sampling valve for submicro-flow gas and processing |
| 05/26/1987 | US4668017 Stripping machine |
| 05/26/1987 | US4667755 Air-cooled, dry drilling |
| 05/21/1987 | DE3634144A1 Implement for working rock, in particular block-drilling implement |
| 05/21/1987 | DE3539566A1 Method of texturing concrete surfaces |
| 05/19/1987 | US4665887 Diamond cutter |
| 05/14/1987 | DE3634149A1 Pneumatic implement for working rock |
| 05/13/1987 | EP0221875A1 Circular saw blade for stone-like material |
| 05/13/1987 | EP0221852A2 Device for working relatively hard building materials |
| 05/13/1987 | EP0221730A1 Abrasive entrained high pressure fluid jet apparatus and method of use |
| 05/13/1987 | EP0221548A2 Cutting tool having concentrically arranged outside and inside abrasive grain layers and method for production thereof |
| 05/13/1987 | EP0221454A1 Method of producing wafers |
| 05/12/1987 | US4664645 Blade shaft drive assembly |
| 05/12/1987 | CA1221618A1 Device for cutting blocks of granite, marble, stone and like materials |
| 05/06/1987 | CN85108020A Pavement and masonry stone cutter |
| 05/05/1987 | US4662684 Rotary rock and trench cutting saw |
| 05/05/1987 | CA1221241A1 Interchangeable disc of support for diamond-bearing plates of circular milling cutters for stones, marbles and granites |
| 04/30/1987 | DE3538191A1 Rock drill |
| 04/29/1987 | CN86107119A Method of producing wafer |