| 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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| 03/24/1993 | EP0533443A1 Dual coated diamond pellets |
| 03/24/1993 | EP0532799A1 Parting-off machine for corner bricks and stones |
| 03/24/1993 | CN1070135A Method for making metallic powder for sawing stone |
| 03/23/1993 | US5195410 Cutting brittle materials |
| 03/21/1993 | CA2076119A1 Dual-coated diamond pellets and saw blade segments made therewith |
| 03/18/1993 | DE4130656A1 Saw for cutting stone blocks - has blade which can be adjusted for angular inclination |
| 03/18/1993 | DE4130655A1 Stone-working saw with display of measured oscillatory motion - uses transmission of blade vibration to diaphragm for conversion into proportional electric current or fluid pressure for display |
| 03/17/1993 | EP0531916A1 Tile cutter with cutting wheels |
| 03/17/1993 | CN2128190Y Cutting and planing machine |
| 03/16/1993 | US5193519 Underground gallery saw |
| 03/16/1993 | US5193518 Portable wire saw |
| 03/16/1993 | US5193280 Saw blades and method of making same |
| 03/09/1993 | US5191873 Useful improvements in sawing devices |
| 03/09/1993 | CA1314282C Cutter elements for hollow drill bit |
| 03/03/1993 | EP0529886A1 Method of dismanteling a nuclear reactor |
| 03/03/1993 | EP0529238A1 Device for making drilled holes with undercutting |
| 03/03/1993 | EP0368993B1 A method for the production of reinforced panels from a block of building material, such as stone |
| 03/02/1993 | US5190568 Abrasive tool with contoured surface |
| 03/02/1993 | US5190425 Anchor |
| 03/02/1993 | US5190353 Rock cutting tool having eccentric drive |
| 03/02/1993 | US5190024 Diamond sawing process |
| 03/02/1993 | US5189922 Force impulse generator |
| 03/02/1993 | US5189843 Wafer slicing and grinding machine and a method of slicing and grinding wafers |
| 02/18/1993 | WO1993002845A1 Improvements in or relating to concrete cutting machines |
| 02/18/1993 | WO1993002844A1 Improved blade shaft drive for machines having rotary cutting or abrading tools |
| 02/17/1993 | EP0527344A2 Cutter jib for cutting machines for hard stone material |
| 02/17/1993 | EP0496826A4 Laminated tile and method for producing same |
| 02/17/1993 | CN2127054Y Multi-knife cutting machine tool slide box for crystal |
| 02/17/1993 | CN1068991A Cutting method and its equipment for hard stone material |
| 02/16/1993 | US5186575 Planing device for planing down road surfaces |
| 02/16/1993 | US5186157 For concrete and rock |
| 02/16/1993 | US5185956 Wafer slicing and grinding system |
| 02/09/1993 | US5184598 Saw chain for aggregate materials |
| 02/09/1993 | US5184597 Apparatus and method for cutting unhardened concrete |
| 02/09/1993 | US5184429 Surface grooving machine |
| 02/04/1993 | WO1993002274A1 Method and device for the extraction of blocks from a rock formation |
| 02/04/1993 | WO1992021494A3 A machine for cutting a slab of marble or similar material along a cutting plane parallel to the plane of the slab |
| 02/04/1993 | DE4208722A1 Bohr/schneidvorrichtung fuer beton oder dergleichen Drilling / cutting device for concrete or the like |
| 02/04/1993 | CA2113543A1 Method and device for the extraction of blocks from a rock formation |
| 02/03/1993 | EP0525344A1 Puncturing apparatus for stone dressing and sculpture |
| 02/03/1993 | EP0525026A1 Measuring and cutting apparatus. |
| 01/28/1993 | DE4125006A1 Producing wall recesses for installation of electrical sockets |
| 01/28/1993 | DE4125005A1 Producing wall recesses for installation of electrical sockets |
| 01/26/1993 | US5181503 Stone slab saw |
| 01/26/1993 | US5181326 Tool and method for installing tile |
| 01/21/1993 | DE4123777A1 Attachable track-mounted cutting tool - which can be advanced laterally on sled which is mounted on track |
| 01/21/1993 | DE4122736A1 Saw for cutting slots in masonry walls - has blade formed by wire which is automatically at correct tension |
| 01/20/1993 | EP0523260A1 Blade body of fibre reinforced plastic for circular saw blades or abrasive cutting wheels |
| 01/20/1993 | CN1068062A Method for making photographic sand carving pattern on surface of hard material and appratus thereof |
| 01/19/1993 | US5180209 Apparatus for cutting recessed grooves into concrete and rock material |
| 01/14/1993 | WO1993001016A1 Central disc made of fibre-reinforced plastic for circular-saw blades and/or abrasive cutters |
| 01/14/1993 | DE4222992A1 Machine for sawing stone blocks - has frame made with uprights with vertical slides to move up or down and horizontal girder mounted on rollers |
| 01/14/1993 | DE4121522A1 Hand-held power tool for cutting grooves in masonry - has drive unit of motor and gears in drive housing and processing tool on shaft and dust collecting chamber all in housing. |
| 01/14/1993 | CA2090725A1 Central disc made of fibre-reinforced plastic for circular-saw blades and/or abrasive cutters |
| 01/13/1993 | EP0523010A1 Cutting machine for workpieces |
| 01/13/1993 | EP0522749A1 Improvements in or relating to brick cleaning machines |
| 01/07/1993 | WO1993000208A1 Stone slab saw |
| 01/07/1993 | EP0521593A1 Tile cutter |
| 01/07/1993 | DE4120774A1 Cutting segment - has notches filled with diamond grains embedded in matrix material |
| 01/05/1993 | US5176426 Concrete grooving apparatus |
| 12/30/1992 | CN2126146U Diamond cutting blade |
| 12/30/1992 | CN2126125U Tube-severing machine for cutting metal tube and cement tube |
| 12/29/1992 | US5174696 Plug-in holder for centering drill bit |
| 12/29/1992 | US5174270 Slicing machine and a slicing method by the same |
| 12/23/1992 | WO1992022408A2 Diamond frame for sawing blocks of granite or other stone material |
| 12/23/1992 | EP0519493A1 Chisel for making slots in building constructions |
| 12/23/1992 | EP0425518B1 A self-propelled apparatus for cutting asphalt and concrete |
| 12/22/1992 | US5173250 Apparatus for demolishing biological shield wall of a nuclear reactor and a method of demolishing the same |
| 12/17/1992 | DE4119745A1 Procedure for enlargement of flue diameter - has rotary cutter to cut inside of chimney horizontally and these cut sections are then removed by hammer |
| 12/16/1992 | EP0517708A1 Methods for manufacturing composite surface elements |
| 12/15/1992 | CA1311412C Cutting tool |
| 12/15/1992 | CA1311375C Drilling apparatus for producing drilled holes having an undercut |
| 12/10/1992 | WO1992021494A2 A machine for cutting a slab of marble or similar material along a cutting plane parallel to the plane of the slab |
| 12/09/1992 | EP0517447A1 A chain saw feed mechanism for a cutting device |
| 12/09/1992 | EP0517048A1 Method of working and treating stone surface and apparatus for the same |
| 12/09/1992 | CN2124102U Multifunctional checker working machine |
| 12/08/1992 | US5169045 Manually-operated tile cutter |
| 12/08/1992 | CA1311100C Process for the structural reinforcement of fragile manufactured articles made of stone or in general agglomerates and products obtained therefrom |
| 12/02/1992 | EP0516581A2 Drilling and chiselling tool with basic body and cutting element |
| 12/02/1992 | EP0516071A2 Sawing machine |
| 12/02/1992 | EP0515524A1 Apparatus and method for cutting and grinding masonry units |
| 12/02/1992 | EP0515371A1 Hand-held machine tool. |
| 12/02/1992 | CN2123412U Cuiding and fixing device for cutting raw stone |
| 12/01/1992 | CA1310898C Wafering device and method of using same |
| 11/25/1992 | EP0514822A1 Tool for working concrete or similar materials |
| 11/25/1992 | CN2122713U Turnover motor cabinet of multi-cutter cutting machine for crystals |
| 11/18/1992 | CN2122043U Stone cylinder plate processor |
| 11/18/1992 | CN1019077B Extra hard rock inserting diamond tool making method |
| 11/17/1992 | US5163789 Device for producing drilled holes with an undercut |
| 11/11/1992 | CN2121319U Diamond gun drilling jacking drill |
| 11/10/1992 | US5161859 Excavating tool cutting insert |
| 11/04/1992 | CN2120664U Freeze rock breaker |
| 11/03/1992 | US5160229 Mist-spouting type drilling device |
| 10/29/1992 | WO1992016712A3 Masonry coring system |
| 10/28/1992 | CN2120008U Lubricating oil scavenger of machine tool for cutting crystal |
| 10/27/1992 | US5158393 Industrial and roadway identification and floor surface treatment system, and diamond surface drill bit for use in installing the system |
| 10/27/1992 | CA1309255C Method of providing opening in reinforced concrete wall |
| 10/27/1992 | CA1309254C Wire sawing method for reinforced concrete structures |
| 10/14/1992 | EP0508103A1 Drilling device for making holes with undercuttings |
| 10/13/1992 | US5154873 Method and apparatus for mounting slice base on wafer of semiconductor |