| 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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| 03/16/1983 | EP0074234A2 Improvements in scabbling apparatus |
| 03/16/1983 | EP0074171A1 Tool assembly |
| 03/01/1983 | US4375212 Concrete sawing machine propulsion control apparatus |
| 02/15/1983 | CA1141222A1 Impact roller |
| 02/08/1983 | US4372401 Drill tool |
| 02/01/1983 | US4371210 Freely rotatable pick bit holder on rotary driven member and method |
| 01/26/1983 | EP0070506A2 Cutter-jib of a cutting machine |
| 01/26/1983 | EP0070352A2 Comminuting device |
| 01/18/1983 | US4368720 Method and apparatus for cutting concrete columns |
| 01/05/1983 | EP0069106A1 Machine for sawing stone blocks |
| 01/05/1983 | EP0068829A2 Improvements in scabbler bits |
| 01/04/1983 | US4366991 Pavement planing device |
| 12/28/1982 | US4365418 Drill stand with marking element |
| 12/21/1982 | CA1137803A1 Excavation and road maintenance bits and blocks |
| 12/21/1982 | CA1137714A1 Scarifying machine |
| 12/15/1982 | EP0067145A1 Cooling device for the tools of a continuous mining machine |
| 11/24/1982 | EP0065284A1 Reamer |
| 11/24/1982 | EP0065276A2 Splitting device for plaster and wall-stones |
| 11/16/1982 | US4359302 Method for cutting wallboards |
| 11/03/1982 | EP0063679A2 Drilling device for making holes with under-cutting |
| 10/20/1982 | EP0062953A2 Apparatus for sawing natural or artificial stones |
| 10/19/1982 | CA1133801A1 Vacuum-operated cutting tool and system therefor |
| 10/05/1982 | US4352241 Device relating to a circular saw blade of centerless type |
| 09/21/1982 | US4350552 Method and apparatus for cutting stone panels |
| 09/08/1982 | EP0059203A1 A coupling. |
| 09/07/1982 | US4347768 Drilling tool for producing an undercut bore |
| 09/01/1982 | EP0058755A2 Supplementary tool for percussion boring machine |
| 09/01/1982 | EP0058746A2 Device for working the steps of a stone stair-case |
| 08/31/1982 | US4346691 Slab-gripping apparatus |
| 08/25/1982 | EP0058530A2 Portable power saws and methods of inserting strip material into a wall |
| 08/18/1982 | EP0058145A1 Cobble-tile of natural stone |
| 08/03/1982 | US4342486 Cutter bit holder |
| 07/21/1982 | EP0056255A1 Device for fixing objects to a concrete wall |
| 07/21/1982 | EP0056132A1 Device for making undercuts in a hole bored in a concrete wall |
| 07/20/1982 | US4340256 Diamond planar cutter |
| 07/13/1982 | CA1127428A1 Apparatus for performing widenings by milling in drill-holes and perforations |
| 07/06/1982 | US4337980 Wedge arrangements and related means for mounting means, base members, and bits, and combinations thereof, for mining, road working, or earth moving machinery |
| 06/30/1982 | EP0054721A1 Drill bit, especially rock drill bit |
| 06/22/1982 | US4335921 Cutting head for a paved roadway resurfacing apparatus |
| 06/15/1982 | US4334799 Impact roller |
| 06/15/1982 | CA1125560A1 Planning apparatus |
| 06/15/1982 | CA1125500A1 Roller cutter |
| 06/02/1982 | EP0052691A2 Tile cutting appliance |
| 06/01/1982 | US4332422 Pavement planing device |
| 05/19/1982 | EP0051837A1 Apparatus for the treatment of piles |
| 05/18/1982 | US4329766 Tool for installing scarifier teeth |
| 05/18/1982 | CA1123731A1 Disinfecting and preserving composition |
| 05/12/1982 | EP0051407A2 Improvements in or relating to travelling rotary saw assemblies |
| 05/11/1982 | US4328724 Method and apparatus for cutting brick mouldings from a clay strand |
| 05/11/1982 | CA1123181A1 Hand held glass cutter |
| 05/05/1982 | EP0050852A1 Method for the subsequent production of horizontal damp barriers in walls, and wire saw to be used therefor |
| 05/04/1982 | US4327703 Method of preparing concrete column for attachment to beam |
| 05/04/1982 | US4327488 Hand held glass cutter |
| 04/27/1982 | US4326361 Adjustable hub mount for circular saw blade |
| 04/21/1982 | EP0050075A2 Method for obtaining blocks and tiles |
| 04/20/1982 | US4325580 Roadway planing apparatus |
| 04/06/1982 | US4323049 Quartz wafering machine |
| 03/24/1982 | EP0048240A2 Device for sawing contours on stones |
| 03/23/1982 | US4320924 Reciprocated concrete surfacer member with shielded spring return |
| 03/18/1982 | WO1982000863A1 A coupling |
| 03/16/1982 | US4319647 Flame drill channelling method and apparatus for reducing noise and dust levels |
| 03/10/1982 | EP0047041A2 Device for picking up elements, for example, of a pavement |
| 03/09/1982 | US4318391 Pile-cutting machine and method of cutting multi-sided piles |
| 02/23/1982 | US4316636 Excavation and road maintenance bits and blocks |
| 02/09/1982 | US4314616 Die-cast masonry drill with leading hard insert |
| 01/27/1982 | EP0044386A1 Drilling device for obtaining an undercut hole |
| 01/06/1982 | EP0043136A1 Cutting disk provided with pigments |
| 01/06/1982 | EP0043000A1 Drilling tool with expansible cutters |
| 01/05/1982 | US4308772 Procedure and device for cutting brick blanks from clay columns |
| 12/30/1981 | EP0042373A1 Scabblers |
| 12/29/1981 | CA1115095A1 Suction attachment for drilling tool |
| 12/08/1981 | US4304440 Roller cutter |
| 11/24/1981 | US4302055 Wedgingly mounted tool holder or adapter for a cutting head |
| 11/17/1981 | US4300271 Clamping device for a sliding mount |
| 11/04/1981 | EP0039024A1 Saw blade, in particular with diamond-studded cutting segments |
| 11/04/1981 | EP0038917A2 Drilling unit to manufacture holes |
| 11/03/1981 | CA1111732A1 Drill head and bone drill, especially for the preparation of bone cavities into which enossal prosthetic elements and enossal dental half-implants can be inserted |
| 10/28/1981 | EP0038405A1 Drilling unit used to manufacture undercut holes |
| 10/20/1981 | US4295274 Scarifying machine |
| 10/14/1981 | EP0037611A1 Foamed cable filler and cable containing such filler |
| 10/06/1981 | CA1110283A1 Method and apparatus for mining minerals, especially coal formations |
| 09/30/1981 | EP0036516A2 A circular saw of centreless type |
| 09/29/1981 | US4291667 Cutting wheel |
| 09/16/1981 | EP0035852A2 Contour cutters |
| 09/08/1981 | US4288187 Arrangement for producing grooves |
| 09/02/1981 | EP0034658A1 Drill unit for the production of undercut holes |
| 09/01/1981 | US4286416 Segmented flexible hone |
| 08/18/1981 | CA1107092A1 Constant force sheet glass cutting drill assembly |
| 08/04/1981 | US4281457 Vacuum-operated cutting tool and system therefor |
| 07/28/1981 | US4280472 Masonry saw |
| 07/28/1981 | CA1105726A1 Apparatus for boring sewer pipe opening in manhole base |
| 07/22/1981 | EP0032383A1 Cutting machine for work-pieces |
| 07/21/1981 | US4279598 Dental half-implants |
| 07/14/1981 | CA1104845A1 Drilling tool |
| 07/08/1981 | EP0031433A2 Motor driven hand tool |
| 06/30/1981 | US4275928 Planing apparatus with bridging cutters |
| 06/23/1981 | US4274769 Impregnated diamond drill bit construction |
| 06/23/1981 | US4274676 Apparatus for removing material |
| 05/26/1981 | US4268965 Masonry cleaning tool |
| 05/19/1981 | US4267814 Abrasive saw blade for trapezoidal grooving |