| 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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| 10/16/1997 | DE19614069A1 Method for machining stone material |
| 10/14/1997 | US5676503 Drill stand with an automatic advancement device for a drilling machine |
| 10/14/1997 | US5676501 Drill bit tube |
| 10/14/1997 | US5676497 Power drill-saw with simultaneous rotation and reciprocation action |
| 10/14/1997 | US5676126 Masonry slitting apparatus |
| 10/14/1997 | US5676125 Excavator mounted concrete saw |
| 10/14/1997 | US5676124 Ceramic and masonry power saw |
| 10/09/1997 | DE19614783A1 Device for removing layers from perpendicular internal walls |
| 10/08/1997 | EP0799967A2 Drill bit with a centring drill |
| 10/08/1997 | CN2264068Y 液压锤 Hydraulic Hammer |
| 10/07/1997 | US5674119 Hand held dental saw |
| 10/07/1997 | US5674035 For direct screwing into concrete |
| 10/01/1997 | EP0703853B1 Improvements in and relating to splitting apparatus |
| 10/01/1997 | EP0699113B1 Method and device for controlling a cable or wire, particularly diamond charged for cutting blocks |
| 10/01/1997 | CN1160626A Processing technology for skid-proof granite and marble floor tile |
| 09/30/1997 | US5671725 Brick and block wall repair device |
| 09/24/1997 | CN1160371A Saw blade segment with silver solder |
| 09/23/1997 | US5669371 Masonry slitting apparatus |
| 09/18/1997 | WO1997033736A1 Method of producing thin plates from natural or synthetic stone |
| 09/18/1997 | WO1997033714A1 Metal single layer abrasive cutting tool having a contoured cutting surface |
| 09/18/1997 | DE19610404A1 Masonry saw for cutting large wall openings |
| 09/18/1997 | DE19603502A1 Surface treatment of formed concrete e.g. paving blocks |
| 09/17/1997 | EP0795735A1 Tool for marking a planar profile on a segment |
| 09/17/1997 | EP0795677A2 Drilling tool |
| 09/17/1997 | EP0795368A2 Apparatus for drilling a hole having an undercut space |
| 09/17/1997 | CN1159381A Artificial granite and manufacturing method |
| 09/16/1997 | US5667897 Windshields |
| 09/16/1997 | US5666939 For cutting grooves in a concrete surface |
| 09/12/1997 | WO1997032681A1 Method of cutting blocks of hard substances into plates by means of a wire saw, and wire saw for carrying out this method |
| 09/09/1997 | US5665134 Radomes |
| 09/09/1997 | US5664553 Spring loaded skid plate for a concrete saw |
| 09/03/1997 | CN2261679Y Groove cutter for buried wires |
| 09/03/1997 | CN1158289A Method of producing semiconductor wafers |
| 09/02/1997 | US5662177 Trigger mechanism for impacting device |
| 09/02/1997 | US5662094 Guillotine cutting apparatus for bricks, building blocks and the like |
| 09/02/1997 | CA2129725C Diamond drill |
| 08/28/1997 | WO1997030832A1 Apparatus for quickly ageing building and furnishing materials such as stones, granite, marble, bricks, floorings, mosaics |
| 08/27/1997 | EP0791444A1 Wafer manufacturing process |
| 08/27/1997 | EP0791424A2 Tubular sawing system for making holes in or cutting out cores from concrete walls or walls made of concrete blocks |
| 08/27/1997 | EP0791385A1 Method for reusing water soluble slurry waste fluid |
| 08/27/1997 | EP0550487B1 Abrasive segment |
| 08/27/1997 | CN2260693Y Improved structure of diamond saw-bit |
| 08/26/1997 | US5660161 Mounting arbor for saw cutting blades |
| 08/21/1997 | DE19606228A1 Cutting rectangular stone building blocks in quarry |
| 08/20/1997 | CN1157202A Hand toolroom machine |
| 08/19/1997 | CA2127086C Tile cutter |
| 08/14/1997 | DE19603933A1 Cutting equipment for panels |
| 08/12/1997 | US5655613 Drill bit |
| 08/07/1997 | DE19600968A1 Betonstein, sowie Verfahren zur Herstellung eines solchen Betonsteins Concrete block, as well as methods for preparing such a concrete block |
| 08/05/1997 | US5653627 Flat diamond drill |
| 08/05/1997 | US5653218 Electric-powered stone cutter |
| 07/30/1997 | EP0786317A2 System for reusing oily slurry waste fluid |
| 07/30/1997 | EP0785867A1 Improvement of plate glass edge strength |
| 07/30/1997 | EP0785839A1 Lateral evening process and device |
| 07/30/1997 | CN1155464A Plane multi-edge cutting machine for super-wide stones |
| 07/29/1997 | US5651726 Mounting apparatus for grinding wheels |
| 07/24/1997 | WO1997026111A1 Portable machine with positioning device for the working of hard materials |
| 07/23/1997 | EP0785054A1 Wall sawing machine and saw blade |
| 07/23/1997 | CN1154899A 装饰瓦 Decorative tile |
| 07/17/1997 | WO1997025191A1 Concrete stone as well as a process for the preparation of such a concrete stone |
| 07/17/1997 | DE19634514C1 Milling machine with rotating tool |
| 07/16/1997 | CN2257758Y Saw blade director of diamond bandsaw |
| 07/15/1997 | US5647641 Bar for a road milling drum |
| 07/10/1997 | WO1997024210A1 Process for the treatment of surfaces |
| 07/09/1997 | EP0731745A4 Slurry recovery system for a wet cutting saw |
| 07/08/1997 | US5645040 Cable saw machine for cutting concrete bodies, rocks or the like |
| 07/03/1997 | DE19548933A1 Motor-driven mobile machining installation for percussive machining of concrete or stone surfaces |
| 07/03/1997 | DE19548932A1 Vorrichtung zur Bearbeitung von Oberflächen Apparatus for machining surfaces |
| 07/02/1997 | EP0781191A1 Saw blade segment with silver solder |
| 07/01/1997 | US5643069 Drill for drilling brittle materials |
| 06/26/1997 | WO1997022439A1 Apparatus and method for making and using a combined cutting/grinding wheel |
| 06/25/1997 | CN2256805Y Hand-operated drilling machine |
| 06/24/1997 | US5641028 Drill bit with debris conveying flute |
| 06/19/1997 | DE19634069C1 Milling machine with rotating milling tool |
| 06/18/1997 | CN2256369Y Four pole internal cooling arc stone cutter |
| 06/17/1997 | US5639289 Installation for the treatment of plates |
| 06/17/1997 | US5639180 Milled roadway surface |
| 06/17/1997 | US5638805 Manually-operated hydraulic rock trimmer |
| 06/17/1997 | CA2177723C Pavement cutting saw |
| 06/11/1997 | EP0778102A1 Wire saw |
| 06/06/1997 | CA2164472A1 Machine for the cutting and separation of pieces, especially ceramic pieces |
| 06/05/1997 | WO1997019791A1 Cutting tool for gypsum board |
| 06/04/1997 | CN2255345Y Thin diamond saw-blade |
| 05/28/1997 | EP0596884B1 Improved cutting tool |
| 05/28/1997 | DE19631659C1 Milling machine with rotating milling tool with miller=cutters around the circumference |
| 05/28/1997 | CN2254813Y Multi-function ruler for cutting glass |
| 05/28/1997 | CN2254812Y Diamond teeth of saw blade |
| 05/27/1997 | US5632527 Tool and method for the removal of floor or wall surfacing |
| 05/21/1997 | CN2254398Y 石材切割机 Stone Cutting Machine |
| 05/21/1997 | CN1150129A Glass cutting disc |
| 05/14/1997 | EP0773194A1 Glass cutting disc |
| 05/14/1997 | EP0773092A1 Diamond belt for cutting stones |
| 05/14/1997 | CN2254037Y Superwide plane I-shaped cutter for stone |
| 05/13/1997 | US5628677 Apparatus for machining glass |
| 05/13/1997 | US5628376 Drilling tool bit with a carrier member and cutter members |
| 05/09/1997 | WO1997016291A1 High speed cutting belt |
| 05/09/1997 | WO1997013602A3 Insertable tool and tool holder for drilling and/or impacting electric machines |
| 05/09/1997 | CA2233454A1 High speed cutting belt |
| 05/07/1997 | EP0771911A1 An active element for the support of at least one milling tool, suited to be applied on milling drums of operating machines for the removal of soils |
| 05/06/1997 | US5626399 Apparatus for cutting and excavating solids |