| 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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| 08/24/1993 | US5238046 Method of manufacturing a bimetal casting and wearing part produced by this method |
| 08/19/1993 | WO1993015891A1 Method and apparatus for cutting wet concrete |
| 08/18/1993 | EP0556149A1 Machining disc |
| 08/18/1993 | EP0555608A1 Apparatus for grinding or milling the surfaces of pieces of stone or similar materials |
| 08/18/1993 | CN2140296Y Quartering chisel for crusher |
| 08/17/1993 | US5235960 Clamping system for an annular-saw blade and its use in the sawing of bars, in particular of semiconductor material, into wafers |
| 08/11/1993 | EP0489092B1 Trimming up abrading discs |
| 08/11/1993 | EP0477253B1 Hollow drill |
| 08/10/1993 | US5234294 Drilling device for producing drilled holes with undercuts |
| 08/10/1993 | US5233968 Percussion sawing machine to saw stone blocks into slabs |
| 08/05/1993 | WO1993015273A1 Tool for road planing cutter |
| 08/05/1993 | WO1993014914A1 Machine for the multiple cutting of blocks of stone materials |
| 08/04/1993 | EP0502880B1 A method for the production of composite panels based on ornamental stone or an equivalent material |
| 08/04/1993 | CN1074951A Dual-coated diamond pellets and saw blade segments made therewith |
| 07/28/1993 | EP0517708A4 Methods for manufacturing composite surface elements |
| 07/28/1993 | CN1074644A A device for cutting and grinding a dougnhut shaped substratet and a method for cutting and grinding the same |
| 07/27/1993 | US5230270 Machine for cutting concrete barriers |
| 07/27/1993 | CA1320644C Abrasive compacts |
| 07/21/1993 | EP0551795A1 Tool for impact drilling and chiseling and chuck therefor |
| 07/20/1993 | CA1320353C Apparatus for exposing the reinforcing bars of reinforced concrete pillars |
| 07/14/1993 | EP0550487A1 Abrasive tool. |
| 07/14/1993 | CN2138023Y Assembled glass hole drill with diamond |
| 07/13/1993 | US5226763 Device for producing drilled holes with an undercut |
| 07/13/1993 | US5226404 Cutting apparatus |
| 07/13/1993 | US5226402 Method for the production of composite panels based on ornamental stone or an equivalent material |
| 07/07/1993 | EP0549893A1 Wire saw and slicing method using the same |
| 07/06/1993 | CA1319921C Apparatus for cutting flat ceramic pieces |
| 07/06/1993 | CA1319825C Wear resistant abrasive cutting wheel |
| 07/01/1993 | DE4143233A1 Machine for chamfering edges of concrete blocks - has support slide to press block against bandsaw blade |
| 06/29/1993 | US5223156 Pumping accumulated fluid into elevated storage tanks, then allowing it to flow down at high speed to avoid clogging of pipes |
| 06/24/1993 | DE4142396A1 Material surface dressing tool - uses flailing chains attached to rotating shaft. |
| 06/23/1993 | CN1073394A L-type rock slicer |
| 06/23/1993 | CN1021306C Cutting machine for round pile made of reinforced concrete |
| 06/17/1993 | DE4141072A1 Stamping tool for perforated ceramic substrates - has perforations formed by pin mounted in ejection stamp which is matched by corresponding hole in cutting stamp |
| 06/17/1993 | DE4141071A1 Stamping tool for perforated ceramic substrates - perforations produced by pin in head plate of press and waste removed by pressurised air feed |
| 06/16/1993 | EP0547012A2 Composite insert for cutting tools |
| 06/16/1993 | CN2136122Y Tool carrier for gantry stone circular saw |
| 06/15/1993 | US5218949 Saws |
| 06/15/1993 | US5218948 Inside diameter blade |
| 06/09/1993 | EP0544897A1 Stone slab saw |
| 06/09/1993 | EP0544775A1 A device for material removing processing of a material layer. |
| 06/09/1993 | CN2135443Y Bidirection program control stone working machine |
| 06/08/1993 | US5216999 Wire saw |
| 06/01/1993 | US5215072 Cutting element and saw chain for cutting aggregate material |
| 06/01/1993 | US5215071 Riding pavement saw |
| 05/26/1993 | EP0543348A1 Building block with a grip to allow lifting, and process and device for making the grip |
| 05/26/1993 | EP0543138A1 Wire saw for cutting contours in stones or similar workpieces |
| 05/26/1993 | EP0543055A1 Building block |
| 05/26/1993 | CN2134271Y Security device of gem cutting |
| 05/25/1993 | US5214261 Method and apparatus for dicing semiconductor substrates using an excimer laser beam |
| 05/25/1993 | US5212895 Retractable excavator cutting tooth apparatus |
| 05/25/1993 | CA1318133C Sawblade segments utilizing polycrystalline diamond grit |
| 05/19/1993 | EP0542704A1 Cemented carbide body with increased wear resistance |
| 05/19/1993 | CN1072130A Apparatus for cutting plate-shaped workpieces and for edge processing thereof |
| 05/18/1993 | US5211897 Shaping bodies |
| 05/18/1993 | US5211156 Method and apparatus for treating a surface of granite with a high temperature plasma jet |
| 05/18/1993 | US5210979 Cutting method with a rotary sheet hone |
| 05/14/1993 | CA2082680A1 Cemented carbide body with increased wear resistance |
| 05/12/1993 | EP0540841A1 Drilling device for making holes with undercuttings |
| 05/12/1993 | EP0540834A1 Method and device for cutting underwater structures |
| 05/12/1993 | EP0540566A1 Cutting tool. |
| 05/12/1993 | CN2132613Y Pneumatic fin machine for concrete surface |
| 05/12/1993 | CN2132441Y Jade cushion |
| 05/12/1993 | CN1071876A Device for producing drilled holes with undercut |
| 05/11/1993 | US5209216 Chain cutter |
| 05/05/1993 | EP0539635A1 Stone sawing machine |
| 05/05/1993 | EP0539413A1 Concrete pile cutter. |
| 05/05/1993 | CN2131674Y Cutting machine with cutting disc |
| 05/05/1993 | CN1071619A Method and apparatus for reducing thickness of stone slabs |
| 05/04/1993 | US5208086 Laminated tile product, method for producing the same and method for installing the same |
| 04/29/1993 | WO1993008003A1 Improvements in or relating to floor milling machines |
| 04/29/1993 | WO1993008001A1 Chain-like cutting tool with forward-driven counter-rotating cutting rings |
| 04/29/1993 | WO1992022408A3 Diamond frame for sawing blocks of granite or other stone material |
| 04/28/1993 | EP0539139A1 Anchor |
| 04/28/1993 | EP0539085A1 Procedure and means for machining stone |
| 04/28/1993 | EP0538522A1 Method of making composite building elements |
| 04/28/1993 | CN2130670Y One-way double-saw frame vertical pit-saw for granite |
| 04/28/1993 | CN1071363A Drilling device |
| 04/27/1993 | US5205197 Pallet cutting machine |
| 04/27/1993 | US5205045 Household tile cutting gauge |
| 04/22/1993 | DE4134373A1 Self-supporting composite slabs with natural stone surface - are prepd. by bonding together with adhesive supporting slab of shapable hardenable material, partic. concrete, and natural stone slab |
| 04/22/1993 | DE4134110A1 Slicing of hard, brittle materials, esp. semiconductor rods - by rotary sawing process avoiding centre damage |
| 04/21/1993 | EP0537674A1 Device for cutting out and machining edges of flat workpieces |
| 04/21/1993 | EP0537506A1 Tool carrier for a tile cutting device |
| 04/21/1993 | CN2130125Y 万向钻头 Universal drill |
| 04/21/1993 | CN1071223A Disc drill bit |
| 04/21/1993 | CN1071114A Drilling device for producing drilled holes with undercut |
| 04/21/1993 | CN1071112A Complete set of equipment for stone processing |
| 04/14/1993 | CN2129666Y Multi-arm folding stone mill and drill machine |
| 04/13/1993 | US5201305 Brittle material cutting method |
| 04/13/1993 | CA1316079C2 Soft concrete saw |
| 04/06/1993 | US5199501 Drilling or chiseling tool with suction apparatus |
| 04/06/1993 | CA1315557C Method of automatically gauging articles of granite, hard stones and the like of the desired thickness, with discontinuous motion |
| 04/02/1993 | CA2078417A1 Carbide tip and pick |
| 03/31/1993 | EP0534591A2 Saw mill apparatus for castings and method |
| 03/31/1993 | EP0534499A2 Method for slicing a wafer |
| 03/31/1993 | EP0534037A1 Disc drill bit |
| 03/30/1993 | US5197833 Drill tool for making a drilled hole with an undercut |
| 03/30/1993 | US5197453 Two-tier groove cutting circular saw blade with multiple core assembly |
| 03/24/1993 | EP0533551A1 Process for manufacturing thin film layers of semiconductor material |