| 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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| 02/15/1994 | US5285597 Method and arrangement for subdividing semiconductor bars into semiconductor wafers |
| 02/09/1994 | CN2155300Y Self-lifting device for working bricks |
| 02/08/1994 | US5284407 Saw mill apparatus for castings and method |
| 02/08/1994 | US5284394 Ball and roller bearings and bearing components |
| 02/03/1994 | WO1994002299A1 Method and apparatus for separating circuit dies from a wafer |
| 02/03/1994 | WO1994002298A1 A portable machine, with hydraulic transmission, for performing curved cuttings onto marble, granite, travertine and similar |
| 02/02/1994 | EP0540566B1 Cutting tool |
| 01/27/1994 | DE4224117A1 Cutting machine for ceramic, earthenware, concrete etc. workpieces - has top and bottom parts for work clamping, with work facing cushions and cutting blades |
| 01/26/1994 | EP0580518A1 Method for making plant container |
| 01/26/1994 | CN2154157Y Cutting machine for glazed tile |
| 01/26/1994 | CN2154156Y Double stone band saw machine |
| 01/20/1994 | WO1994001261A1 Portable machine to make moldings on marble, granite, travertine slabs and the like |
| 01/19/1994 | EP0579579A1 Tool and chuck for a portable tool |
| 01/12/1994 | EP0578217A1 Bridge-and-table milling machine particularly for machining stone-like materials and the like |
| 01/11/1994 | US5278685 Method for dividing substrates of liquid crystal displays using repeated measurements |
| 01/06/1994 | WO1994000651A1 Stone product in sheet form, method for its manufacture and appropriate means |
| 01/06/1994 | CA2138036A1 Stone product in sheet form, method for its manufacture and appropriate means |
| 01/05/1994 | CN2151848Y Suspending arm box for saw frame |
| 01/04/1994 | US5275470 Scraping device for powered stone floor dressing unit |
| 01/04/1994 | US5274963 Flush-mount sink assembly method |
| 01/04/1994 | CA1325711C Method for the production of reinforced panels from a block of building material, such as stone |
| 12/29/1993 | CN2150987Y Concrete board drill |
| 12/29/1993 | CN2150986Y Three-purpose concrete boring machine |
| 12/29/1993 | CN2150985Y Automatic granite cutting machine controlled by microcomputer |
| 12/29/1993 | CN2150984Y Ceramic tile cutting stand |
| 12/22/1993 | CN2150032Y Gas-pressure type electric hammer |
| 12/22/1993 | CN2150031Y Hollow drill-bit |
| 12/22/1993 | CN2150030Y Inlaid-type diamond saw-blade |
| 12/22/1993 | CN2150029Y Combined saw-blade basic element |
| 12/21/1993 | CA2035418C Stone splitter |
| 12/16/1993 | DE4220454A1 Cable saw for cutting slits in wall of building - has cutting cable looped through partially cut slit and hole in wall, driven by motor in frame |
| 12/15/1993 | CN2149282Y Combined type high efficiency drilling bit for enlarging holes |
| 12/14/1993 | US5269285 Wire saw and slicing method using the same |
| 12/14/1993 | CA1325158C Vertical gang saw apparatus |
| 12/09/1993 | WO1993024291A1 Improvements in portable machines for performing cuts in stone, marble, granite and the like |
| 12/09/1993 | DE4218134A1 Verfahren und Werkzeug zum Abbau von Boden- oder Wandbeschichtungen Methods and tools for the degradation of floor or wall coatings |
| 12/09/1993 | CA2136644A1 Improvements in portable machines for performing cuts in stone, marble, granite and the like |
| 12/08/1993 | CN2148655Y Cutting machine with cutting discs |
| 12/08/1993 | CN2148654Y Drill bit |
| 12/08/1993 | CN1079246A Lubricant for cutting crystal and preparing process thereof |
| 12/01/1993 | CN2147953Y Shaped chamfering device for table of slabstone cutting machine |
| 12/01/1993 | CN2147952Y Automatic sizing device for longitudinal ruler of table for slabstone cutting machine |
| 12/01/1993 | CN2147951Y Improved structure for stone cutting machine |
| 12/01/1993 | CN1079021A Drill string component |
| 11/30/1993 | US5265989 Drilling and chiseling bit with a cutting member in a base member |
| 11/24/1993 | EP0571346A1 Drill string component |
| 11/24/1993 | EP0571344A1 Device for clamping an exchangeable cutting bit for machining stone-like materials |
| 11/24/1993 | CN2147083Y Vertical special shape column stone working machine |
| 11/23/1993 | US5263769 Apparatus for planing a paved surface |
| 11/20/1993 | CA2095906A1 Drill string component |
| 11/17/1993 | CN2146358Y Portable engineering saw |
| 11/17/1993 | CN1078421A Device for producing drilled holes with an undercut |
| 11/10/1993 | EP0568786A1 Drilling device for making holes with undercuttings |
| 11/10/1993 | CN2145695Y 瓷瓦切割器 Porcelain Waqie Cutter |
| 11/10/1993 | CN2145694Y Annular band saw without weld bond |
| 11/09/1993 | CA1324013C Masonary drill tip with strong and chamfered cutting edges |
| 11/04/1993 | DE4217228C1 Sepg. machine for natural stone - has number of circular sawing tools arranged rotatably on bearer arms of a rotary support |
| 11/03/1993 | CN2145104Y Cutter for reinforced concrete stake head |
| 11/03/1993 | CN2145103Y Special cutting tool for ceramic tile |
| 10/28/1993 | WO1993020992A1 Saw for green and cured concrete |
| 10/28/1993 | DE4308573A1 Power saw for cutting through wall - is mounted on guided carriage which moves along wall |
| 10/28/1993 | DE4213483A1 Stone crusher also for wood, clay etc. - has steel housing with double feeds on three sides and two breaker discs on each side of interchangeable breaker attached to movable pendulum |
| 10/28/1993 | DE4212442A1 Panel-shaped light constructional element - has natural stone cladding to which lightweight concrete is bonded |
| 10/28/1993 | CA2118315A1 Saw for green and cured concrete |
| 10/27/1993 | EP0567129A2 Method of working diamond |
| 10/27/1993 | EP0566879A1 Device for working the outer periphery of a pipe |
| 10/27/1993 | EP0566752A1 Extendable roughening screed |
| 10/27/1993 | CN2144570Y Hand-operated hammer anvil |
| 10/26/1993 | US5255929 Blade for ice skate |
| 10/21/1993 | DE4206234A1 Water-cooled diamond trepanning drill spindle for drilling glass, stone etc. - has coil spring acting on push rod through centre of spindle to eject core material resulting from drilling operation |
| 10/20/1993 | EP0565561A1 Series of manual, professional, middle large machines for cutting very hard tiles. |
| 10/19/1993 | US5253961 Coupling for drilling machine with dust extractor |
| 10/14/1993 | WO1993020015A1 Splitting of non-metallic materials |
| 10/14/1993 | WO1993019915A1 Tool stand, in particular for stone borers and saws |
| 10/13/1993 | EP0564614A1 Chain-like cutting tool with forward-driven counter-rotating cutting rings. |
| 10/12/1993 | US5252009 Industrial and roadway identification and floor surface treatment system, and diamond surface drill bit for use in installing the system |
| 10/12/1993 | CA1322871C Surface sampling device |
| 10/07/1993 | DE4210353A1 Chain cutter with forced material discharge for road construction - incorporates numerous collapsible hooks which close slots in chain after they have passed sprocket teeth |
| 10/06/1993 | CN2143168Y Toothed diamond disk cutter |
| 10/06/1993 | CN2143167Y Drill |
| 10/06/1993 | CN1022297C Rock breaker for secondary breaking mine rock |
| 10/05/1993 | US5249566 Fiber reinforced plastic, diamond coated cutting edge |
| 10/05/1993 | US5249495 Shingle cutter apparatus |
| 10/04/1993 | WO1993019907A1 Mounting arbor for saw cutting blades |
| 09/29/1993 | EP0561770A1 Diamond sawing process |
| 09/22/1993 | CN2142390Y Tile beveler |
| 09/22/1993 | CN1022177C Knife for working big-diameter thin diamond wall |
| 09/21/1993 | US5245982 Hydraulic concrete pile cutter |
| 09/16/1993 | WO1993017881A1 Process for tarsia-working of marble, granite, etc. |
| 09/16/1993 | WO1993017849A1 Joint cutter |
| 09/16/1993 | DE4206643A1 Self-propelled vehicle for cutting joints in asphalt or concrete road surfaces - has twin cutters mounted on parallel transverse axles,with one adjustable sideways to cut second joint simultaneously |
| 09/16/1993 | CA2131556A1 Joint cutter |
| 09/16/1993 | CA2130256A1 Process for tarsia-working of marble, granite, etc. |
| 09/14/1993 | US5243960 Apparatus for cutting stone laminate panels |
| 09/12/1993 | WO1993024282A1 Process and tool for removing floor and wall coverings |
| 09/07/1993 | US5241946 For grooving concrete |
| 09/01/1993 | CN2141353Y High-speed vibration saw |
| 09/01/1993 | CN1021957C Method for processing rock slab |
| 08/31/1993 | US5240528 Foamed core furniture structure and method of making same |
| 08/25/1993 | CN1075446A Technique for cutting and processing stone material at low temp. and control apparatus thereof |