| 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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| 10/13/1992 | US5154334 Method of cleaving a plate of brittle material |
| 10/13/1992 | CA1308628C2 Soft concrete saw |
| 10/07/1992 | EP0506770A1 Method for cleaving laminated mineral blocks, device for carrying out the method and a product produced by means of the method. |
| 10/06/1992 | US5152641 Method and apparatus for controlling glass drilling |
| 10/06/1992 | US5152275 Stone splitter |
| 10/01/1992 | WO1992016712A2 Masonry coring system |
| 10/01/1992 | DE4110523A1 Circular saw blade for cutting concrete - has teeth of two different widths with diamond coating |
| 10/01/1992 | DE4102607A1 Machine for cutting concrete or stone - has oscillating half disc which has diamond segments attached to its periphery |
| 09/30/1992 | EP0506533A1 Sawing apparatus |
| 09/30/1992 | CN2117241U Concrete drilling machine |
| 09/29/1992 | US5151389 Method for dicing semiconductor substrates using an excimer laser beam |
| 09/29/1992 | US5150641 Apparatus for slicing a workpiece |
| 09/29/1992 | CA1308094C Apparatus for reflex-percussive cutting of concrete etc. |
| 09/24/1992 | DE4209274A1 Fixing and tensioning of saw blades - is for frame for multiple layer cutting of stone, and blades are tensioned by single common linking rod |
| 09/23/1992 | CN2116595U Multi-functional small stone carving machine |
| 09/23/1992 | CN1064643A Drill bit for producing drillde holes with under cut |
| 09/23/1992 | CN1018349B Explosion-proof catting method for concrete |
| 09/23/1992 | CN1018348B Oxygen lance method for punching and cutting concrete and the apparatus thereof |
| 09/22/1992 | CA1307735C Soft concrete saw |
| 09/16/1992 | EP0503895A2 Flush-mount sink assembly method |
| 09/16/1992 | EP0503247A1 Drill for making holes with an undercutting |
| 09/16/1992 | CN2115887U Concrete building block cutting machine |
| 09/16/1992 | CN1018255B Drilling apparatus for producing drilled holes having undercut |
| 09/15/1992 | US5147000 Disc drill bit |
| 09/09/1992 | EP0502018A1 Percussion sawing machine to saw stone blocks into slabs |
| 09/09/1992 | CN2115195U Wall borer |
| 09/09/1992 | CN2115194U Ceramic tile borer |
| 09/03/1992 | WO1992014587A1 Improved cutting tool |
| 09/03/1992 | DE4206274A1 Monoblock installation for automatic cutting of stone plates - comprises work bench with conveyor belt and at least two support bridges over bench carrying displaceably fitted bearer |
| 09/03/1992 | DE4106392A1 Hollow milling cutter - has end-face coated with hard metal chips alternating with diamond chips |
| 09/02/1992 | EP0501698A1 Saw blades |
| 09/02/1992 | EP0501305A1 Horizontal frame saw with automatic adjustment of the crank shaft length |
| 09/02/1992 | EP0501304A1 Hydraulic stretching means having two saw blade stretching devices on both beams of the saw frame of a gang saw for sawing stone blocks |
| 09/02/1992 | EP0501053A1 Tile cutter |
| 09/02/1992 | CN2114549U Improved mechanism for stone cutter |
| 09/02/1992 | CN2114548U Diamond saw blade for cutting steel reinforced concrete rail pillow |
| 09/01/1992 | US5143523 Dual-coated diamond pellets and saw blade semgents made therewith |
| 09/01/1992 | US5143490 Bit for cutting sheetrock |
| 09/01/1992 | US5142756 Apparatus for loading and re-slicing semiconductor wafer |
| 08/19/1992 | CN2113137U Bit capable of bending |
| 08/18/1992 | US5139006 Hydraulic concrete pile cutter |
| 08/12/1992 | EP0498755A1 Machine for cleaving slate pieces |
| 08/12/1992 | CN2112487U High efficiency drill |
| 08/12/1992 | CN2112486U Cutter for diamond |
| 08/11/1992 | US5137098 Diamond tool for drilling and routing |
| 08/11/1992 | US5136783 Chain saw sprocket |
| 08/06/1992 | WO1992012837A1 Hollow drill |
| 08/05/1992 | EP0497730A2 Guide rail with abutment for wall and floor milling machines |
| 08/05/1992 | EP0496826A1 Laminated tile and method for producing same |
| 08/05/1992 | CN2111823U Cutting tool fastener |
| 08/04/1992 | US5135332 Grooving depth indicator for a highway grooving machine |
| 08/04/1992 | US5135061 Cutting elements for rotary drill bits |
| 08/04/1992 | US5135035 Independently rotatably cutting bit for rotary wheel cutters |
| 07/31/1992 | CA2060301A1 Saw blade drive |
| 07/29/1992 | EP0477253A4 Hollow drill. |
| 07/29/1992 | CN2111177U Engineering hollow boring bit connecting device |
| 07/29/1992 | CA2059381A1 Guide and support structure for surface cutting apparatus |
| 07/28/1992 | US5133915 Process for the production and treatment of concrete blocks |
| 07/23/1992 | WO1992012059A1 Method of manufacturing a glass box, and the use of such a box |
| 07/23/1992 | WO1992011985A1 Series of manual, professional, middle large machines for cutting very hard tiles |
| 07/22/1992 | EP0495525A2 Device for and process of manufacturing wall pieces or wall boards from bricks |
| 07/22/1992 | CN1017507B Apparatus for cutting, drilling or similar machining stone. ores or similars |
| 07/22/1992 | CN1017501B Cage type pulverizer |
| 07/21/1992 | US5132587 Spark plug electrodes |
| 07/21/1992 | US5132505 Method of cleaving a brittle plate and device for carrying out the method |
| 07/21/1992 | US5131378 Method for the production of reinforced panels from a block of building material, such as stone |
| 07/15/1992 | EP0494578A1 Machine for cutting and separating flat ceramic pieces and the like |
| 07/15/1992 | CN2109929U Fixed hollow driller |
| 07/14/1992 | US5129160 Feed mechanism for a cutting device |
| 07/09/1992 | DE4100226A1 Mosaic stone production method - involves cutting flagstones after gluing via tape to flexible elastic base material |
| 07/09/1992 | DE4100039A1 Wall and floor tile etc. laying tool - has stop face, coupled to guide linkage, supporting slidable, counter-moving stop face |
| 07/08/1992 | EP0494039A2 Mitre saw with non-feedable circular saw blade |
| 07/07/1992 | US5127777 Apparatus for making a drilled hole with an undercut |
| 07/07/1992 | US5127391 Tile and marble cutting saw apparatus and method |
| 07/07/1992 | CA1304583C Abrasive product |
| 07/02/1992 | DE4143086A1 Material grinding machine - has guide delivering to several rotary drums in succession |
| 07/02/1992 | DE4042142A1 Verfahren zur herstellung eines glaskastens und dessen verwendung A process for producing a glass box and its use |
| 07/01/1992 | CA2058176A1 Materials grinder |
| 06/25/1992 | DE4041496A1 Forming slits in fuel cell carrier for egress of process gases - applying rotating circular disk saw-blade or mill without imposing high mechanical strain |
| 06/24/1992 | CN2107987U Centrifugal planing cutter |
| 06/23/1992 | US5123400 Saw chain having headless fastener |
| 06/23/1992 | US5123217 Drill for use in drilling hard and brittle materials |
| 06/17/1992 | EP0490856A1 Production method for concrete pillar |
| 06/17/1992 | EP0490842A1 Vibrating system for treating lapideous materials by means of abrasives |
| 06/17/1992 | EP0490268A1 Device for cutting tiles and/or plates, for example roofing tiles |
| 06/11/1992 | DE4039217A1 Round shaft chisel - has base body on which is hard metal point and wear-resistant layer on ring surface adjacent to point |
| 06/10/1992 | EP0489092A1 Trimming up abrading discs. |
| 06/10/1992 | CN1016949B Masonry drill tip with strong and chamfered cutting edges |
| 06/09/1992 | US5119798 Abrasive cutting apparatus including inverted cutting chain with inward facing cutting elements |
| 06/09/1992 | CA1302867C Stoneworking or cutting device |
| 06/02/1992 | US5117805 Laminating machine particularly for through-sawing slabs made of granite and the like |
| 05/27/1992 | DE4037448A1 Milling device for road grooving machine - consists of motor driven roller with chisels mounted between fixed bearing and free bearing |
| 05/27/1992 | DE4037400A1 Milling aggregate for road grooving machine - consists of roller equipped with chisels housing hydraulic coupling and planet reduction gear |
| 05/27/1992 | DE4037147A1 Drilling tool - has drill shaft with central through channel and drilling head incorporating diamonds |
| 05/27/1992 | CN2105390U Cutting machine |
| 05/26/1992 | US5116169 Apparatus and method for drilling glass |
| 05/26/1992 | US5115796 Diamond abrasive saw blade and method of dry sawing concrete |
| 05/21/1992 | DE4036909A1 Ceramic surface treatment - by applying flame fuelled by combustion gas and oxygen@ to roughen surface structure during mfr. |
| 05/21/1992 | DE4036193A1 Eccentric drive for rolling and milling drilling tool - has separate drive for fast-running eccentric and slow-running casing with adjustable counterweight in tool casing |
| 05/20/1992 | EP0485660A1 Coated superabrasive grit and use of same |