| 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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| 07/28/1988 | DE3644601A1 Cutting roller for road-grooving (road-milling) machines |
| 07/27/1988 | EP0275860A1 Saw blade for sawing stone-like material |
| 07/27/1988 | EP0275809A1 Cutting gauge for floor tiles or the like |
| 07/21/1988 | DE3700676A1 Block-working apparatus |
| 07/20/1988 | EP0275032A1 Method and device for producing an undercut bore hole in a mounting base |
| 07/20/1988 | EP0274990A1 Pocket device to cut ceramic tiles |
| 07/20/1988 | CN87205169U Marble-and-granite butt-splitting machine |
| 07/20/1988 | CN86207110U New-type stone plate-sawing frame |
| 07/20/1988 | CN86108782A Reciprocating stone-dressing machine |
| 07/19/1988 | US4758050 Stripping machine cutter finger assembly |
| 07/19/1988 | US4757645 cutting tool and method of making same |
| 07/14/1988 | DE3644724A1 Surface-machining apparatus for natural stones and cast stones |
| 07/12/1988 | US4756796 Method of producing wafer |
| 07/12/1988 | US4756298 Apparatus for machining relatively hard building material |
| 07/12/1988 | CA1239087A1 Water-cooled hub for flush-cut concrete saws |
| 07/12/1988 | CA1239040A1 Drill bit for hand-held drilling machines |
| 07/05/1988 | US4755340 Method for producing packs of blades used for cutting crystal bars into wafers |
| 07/05/1988 | US4755004 Rotary rocksaw device |
| 06/30/1988 | WO1988004602A1 Guiding rail and link chain for chain saws |
| 06/30/1988 | DE3643176A1 Method and device for making openings |
| 06/23/1988 | DE3737024A1 Drilling device, in particular for core holes |
| 06/22/1988 | CN87211852U Miniature multiple functional chisel machine |
| 06/21/1988 | US4752103 Device for removing asbestos and the like |
| 06/16/1988 | DE3641890A1 Method and apparatus for lowering round shaft covers into road surfaces |
| 06/15/1988 | CN86101685B Cutting stone material by roll-pressing method and equipment thereof |
| 06/14/1988 | CA1237977A1 Cutoff method and device for rigid, tubular parts, particularly a section of oval cast iron pipe |
| 06/09/1988 | DE3640870A1 Appliance for making wall recesses |
| 06/07/1988 | US4749891 Non-linear electromagnetic vibration device |
| 06/07/1988 | US4748966 Self-regulating concrete cutting saw |
| 06/02/1988 | WO1988003860A1 Bandsaw machine |
| 06/01/1988 | EP0269249A1 Method and apparatus for removing concrete coating from a pipe |
| 06/01/1988 | EP0269172A2 Rotary rock and trench-cutting saw |
| 06/01/1988 | DE3710515A1 Bandsaegemaschine Band saw machine |
| 06/01/1988 | DE3640192A1 Machine for treating roadway surfaces |
| 05/25/1988 | EP0268334A2 Rotary rock and trench-cutting saw |
| 05/19/1988 | DE3639107A1 Operating process for producing lateral branches on concrete pipes, in particular sewer pipes, and diamond drilling tool for this purpose |
| 05/18/1988 | CN87205613U Natural stone and concrete combined decorating board |
| 05/11/1988 | DE3637343A1 Machining device |
| 05/11/1988 | DE3636890A1 Arrangement for extracting stone dust at splitting, drilling and bush-hammering machines and the like |
| 05/10/1988 | US4743178 Non-linear electromagnetic vibration fluid compression device |
| 05/05/1988 | DE3631593C1 Cutter roller for road-grooving machines with frictionally engaged coupling of the cutter-roller tube on the cutter shaft |
| 05/04/1988 | EP0266333A2 Cutting segment for a circular saw blade |
| 04/27/1988 | CN87212312U Convertible disk for cutting and grinding diamond |
| 04/26/1988 | US4740036 Splitting apparatus and method |
| 04/26/1988 | US4739745 Circular diamond saw blade incorporating a novel cutting segment |
| 04/21/1988 | DE3634963A1 Stone saw |
| 04/12/1988 | US4736987 Rock cutting assembly |
| 04/12/1988 | CA1235151A1 Rotary rock and trench cutting saw |
| 04/07/1988 | DE3632236A1 Miller for working stone |
| 04/07/1988 | DE3631646A1 Device for working natural-stone surfaces as well as a process and a natural-stone slab |
| 04/06/1988 | EP0263001A1 Method for making grooves and bulgings for constructions, in particular for funeral monuments |
| 04/06/1988 | CN87211419U Shaping tool for electrofused zirconia corundum brick used in glass kiln |
| 04/05/1988 | US4735188 Wire saw drive apparatus |
| 03/30/1988 | CN87203269U Concrete drilling machine |
| 03/24/1988 | DE3631216A1 Cutting roller for road-grooving machines (road-milling machines) |
| 03/17/1988 | DE3630122A1 Crushing device for reinforced material to be crushed, in particular of concrete |
| 03/16/1988 | EP0260026A2 Drill |
| 03/15/1988 | US4730420 Drilling device for drilling plates susceptible to breaking |
| 03/10/1988 | WO1988001559A1 Chain saw |
| 03/10/1988 | DE3630444A1 Excavating device for material excavation by cutting |
| 03/10/1988 | DE3629664A1 Stone-sawing apparatus |
| 03/09/1988 | EP0258275A1 Boom operated demolition apparatus. |
| 03/08/1988 | US4729440 Transistion layer polycrystalline diamond bearing |
| 03/01/1988 | US4727778 Method of manufacturing of cutting tool |
| 02/25/1988 | WO1988001329A1 Process for manufacturing construction components, their compositon, reinforcement and installation means |
| 02/25/1988 | WO1988001224A1 Sawing machine for cutting blocks of hard materials |
| 02/25/1988 | DE3627823A1 Cutting roller for road-grooving machines |
| 02/23/1988 | CA1233110A1 Method of machine cutting silicon metal particulates with si.sub.3n.sub.4 |
| 02/18/1988 | DE3627388A1 Sawing machine for cutting through blocks of hard material |
| 02/17/1988 | CN87203305U Belt-type sawing machine for diamond cutting |
| 02/16/1988 | US4725097 Inclined cutter for surface cleaning head |
| 02/16/1988 | US4724911 Hydraulic impact tool |
| 02/11/1988 | DE3626063A1 Appliance for producing wall apertures |
| 02/10/1988 | EP0255795A2 Method for cutting stone or stone-like blocks into large and thin slabs, and their reinforcement |
| 02/10/1988 | CN87101580A Ultrasonic splitting method of mica |
| 02/10/1988 | CN86210907U Reciprocating stone-chopping machine |
| 02/10/1988 | CN86208249U Round hole-cutting tool for ceramic tile |
| 02/03/1988 | EP0255460A1 Apparatus for cutting flat ceramic pieces |
| 02/03/1988 | EP0255120A1 Device for making recesses in walls |
| 02/02/1988 | US4722320 Cutting segment for circular cutting wheel |
| 02/02/1988 | US4722130 Method of manufacturing a semiconductor device |
| 01/26/1988 | US4722021 Safety circuit for hand tools, and method for safe operation thereof |
| 01/20/1988 | EP0253194A2 Device for milling visible surfaces of workpieces |
| 01/20/1988 | EP0253032A1 Machine for cutting construction material |
| 01/19/1988 | US4720207 Segmented rotor |
| 01/14/1988 | DE3719472A1 Process for the automatic production of flights of stairs |
| 01/14/1988 | DE3623958C1 Device consisting of a parallel-shank holder and a parallel-shank chisel |
| 01/13/1988 | EP0252611A1 Drilling device |
| 01/13/1988 | EP0252434A2 Composite plate with a layer of natural stone |
| 01/12/1988 | US4718398 Circular saw for stony materials |
| 01/07/1988 | EP0251885A1 Cutting tool for cutting faience plates, tiles or analogous materials |
| 01/07/1988 | DE3720435A1 Quiet-operating diamond-carrying cutting disc for marble and garnet |
| 01/07/1988 | DE3621276A1 Process and apparatus for the artificial aging of concrete blocks |
| 01/05/1988 | US4717205 Cutter |
| 12/31/1987 | CN87205046U High efficient ceramic brick cutting machine |
| 12/30/1987 | WO1987007857A1 Diamond drill for working hard brittle materials |
| 12/22/1987 | US4714374 Road surface layer reproducing machine |
| 12/22/1987 | US4714295 Scraping roller mounting means for scraping machines for scraping off roads |
| 12/22/1987 | US4714294 Drum and cutter assembly for a planing machine |
| 12/17/1987 | DE3620120A1 Displaceable add-on milling machine for road construction, building construction or the like |