| 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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| 03/31/1998 | US5733077 Lens drill guide |
| 03/31/1998 | US5733074 Manual tool for removing material from brittle and/or non-ductile stock |
| 03/31/1998 | US5732690 Apparatus for cutting a stone member so as to have a curved surface |
| 03/26/1998 | WO1998012412A1 Drill shank for a drill drive |
| 03/26/1998 | WO1998012030A1 A method for manufacturing wooden boards by glueing and a board |
| 03/26/1998 | DE19638464A1 Einsteckende für einen Bohrantrieb Insertion of a drill drive |
| 03/26/1998 | CA2266651A1 A method for manufacturing wooden boards by glueing and a board |
| 03/25/1998 | CN2276879Y Electric profiling cutting machine |
| 03/19/1998 | WO1998010908A1 Method and arrangement for cutting boards, especially plaster boards |
| 03/19/1998 | WO1998010694A2 Method and apparatus for forming cuts in catheters, guidewires and the like |
| 03/19/1998 | CA2263475A1 Method and arrangement for cutting boards, especially plaster boards |
| 03/18/1998 | EP0697936B1 Stone saw with combined protecting case revolving door and work tables |
| 03/12/1998 | DE19636869A1 Milling machine for stone-like materials |
| 03/11/1998 | EP0827821A2 Method and sawing device for cutting up stone blocks or the like |
| 03/11/1998 | EP0785839B1 Lateral evening process and device |
| 03/10/1998 | US5725416 Apparatus and method for making and using a combined cutting/grinding wheel |
| 03/10/1998 | US5725282 Adjustable handles for road surface cutting saws |
| 03/10/1998 | US5724956 Riding saw for cutting concrete and similar materials |
| 03/05/1998 | WO1998009041A1 Cutting device |
| 03/04/1998 | EP0825917A1 Non-slip floor covering and process for producing it |
| 03/04/1998 | CN2275508Y Special-shaped coloured thread edge finishing machine for stone |
| 03/03/1998 | US5722789 Multi-width cutter |
| 03/03/1998 | US5722647 Workpiece holder, particularly adapted for holding eyeglasses lenses |
| 03/03/1998 | US5722471 Tool for rock breaking and log splitting |
| 03/03/1998 | US5722386 Method and apparatus for forming ornamental edges on cement siding |
| 02/25/1998 | EP0825003A2 Milling machine with rotating tool for stonelike materials |
| 02/25/1998 | EP0824395A1 Road milling drum assembly and method of milling |
| 02/25/1998 | EP0738194B1 Cable-saw machine |
| 02/25/1998 | CN2275031Y 气动凿子 Pneumatic chisel |
| 02/25/1998 | CN1174531A Self Propelled saw |
| 02/18/1998 | CN2274568Y Arc decorative stone plate processing apparatus |
| 02/04/1998 | EP0822023A1 Saw cable for hard materials |
| 02/04/1998 | CN1171999A Multifunctional rock cutting machine |
| 01/29/1998 | DE19624863C1 Support and guide for stone cutter |
| 01/27/1998 | US5711287 Reciprocating slurry saw |
| 01/22/1998 | WO1998002278A1 Method and apparatus for preloading a skid plate for an early cutting concrete saw |
| 01/21/1998 | EP0656988A4 Apparatus for cutting and excavating solids. |
| 01/21/1998 | CN2272805Y Horizontal cutter for stone disc saw |
| 01/21/1998 | CN1171072A Improved segmented cutting tools |
| 01/20/1998 | US5709823 Accurately forming dental restorations, ceramics, metals |
| 01/20/1998 | US5709200 For cutting a groove in a pavement |
| 01/14/1998 | EP0770164B1 Concrete breaking pliers |
| 01/14/1998 | CN2272359Y Fram Planer for stone working |
| 01/14/1998 | CN2272358Y Pistol type electric hammer |
| 01/07/1998 | EP0815337A1 Traction boring device using multiple trepans for producing large cuts in concrete works and the like and method of producing cuts |
| 01/07/1998 | CN2271960Y Insert rock cutter |
| 01/03/1998 | CA2201546A1 Guillotine cutting apparatus for bricks, building blocks and the like |
| 12/31/1997 | WO1997049520A1 Friction welded drill rod and method for manufacturing the rod |
| 12/31/1997 | CN2271438Y Crossbeam lifting oblique preventing decive of stone saw |
| 12/31/1997 | CA2257488A1 Friction welded drill rod and method for manufacturing the rod |
| 12/30/1997 | US5702212 Drilling device for producing drilled holes with an undercut |
| 12/29/1997 | EP0663975B1 Aparatus for cutting free covers in coating, e.g. asphalt coating |
| 12/24/1997 | WO1997048536A1 Grout or mortar removal by laser |
| 12/24/1997 | WO1997048532A1 Hand-held motor-driven saw |
| 12/24/1997 | WO1997048514A1 Wire saw |
| 12/24/1997 | CA2258520A1 Wire saw |
| 12/23/1997 | US5699783 Wire sawing method of reinforced concrete structure and guide pulley apparatus |
| 12/17/1997 | EP0812659A2 Segmented wheel |
| 12/17/1997 | CN2270619Y Diamond ring band saw blade |
| 12/17/1997 | CN1167672A Super thin stone sheet saw |
| 12/16/1997 | US5697835 Oscillating cutting blades |
| 12/11/1997 | WO1997046356A2 Compact motorized table saw |
| 12/10/1997 | CN2269948Y Impacting drill tail type pneumatic rock drill |
| 12/10/1997 | CN2269947Y Bridge-type copying cutting machine |
| 12/10/1997 | CN2269946Y Stone cutter base |
| 12/03/1997 | CN2269288Y Stone matching machine |
| 11/30/1997 | CA2206442A1 Router machine |
| 11/27/1997 | WO1997044534A1 Trench digging saw |
| 11/26/1997 | CN2268613Y Toothed sawing apparatus for granite core |
| 11/26/1997 | CN2268612Y Linear stone cutter |
| 11/26/1997 | CN2268611Y Digit controlling apparatus for shaped stone plate |
| 11/26/1997 | CN1165730A Apparatus for drilling hole having undercut space |
| 11/25/1997 | USRE35666 Tile saw apparatus and method |
| 11/25/1997 | US5690391 Self propelled saw |
| 11/25/1997 | US5690092 Apparatus for cutting a stone member so as to have a curved surface |
| 11/25/1997 | US5690003 Method of forming a drill bit with debris conveying flute |
| 11/19/1997 | CN2267920Y Speed-regulatable combined engineering drilling machine |
| 11/19/1997 | CN2267919Y Marble sawing machine with movable protection cover |
| 11/19/1997 | CN2267918Y Marble sawing machine with safety protection cover |
| 11/18/1997 | US5689072 Method and apparatus for preloading a skid plate for an early cutting concrete saw |
| 11/12/1997 | CN2267147Y Lever type apparatus for wall hole drilling |
| 11/12/1997 | CN2267146Y Diamond sawing blade with fan shaped cutting head |
| 11/12/1997 | CN2267145Y High speed double sawing blade cutting machine |
| 11/05/1997 | EP0713452A4 Patterned abrasive material and method |
| 11/04/1997 | US5683143 For use in a floor surface treatment apparatus |
| 11/04/1997 | US5683042 Mobile compactor, pulverizer and cutting apparatus and method therefor |
| 10/30/1997 | WO1997039866A1 Raking bit |
| 10/30/1997 | DE19701146A1 Machine for splitting, cutting or sawing large stone blocks |
| 10/30/1997 | DE19653975A1 Disk type wheel cutter for metal processing |
| 10/29/1997 | EP0802848A1 Self propelled saw |
| 10/28/1997 | US5681214 Hand power tool |
| 10/28/1997 | US5680854 For cutting hard surfaces |
| 10/23/1997 | DE19720035A1 Concrete-pipe-identification system - forms permanent markings in inside surface at intervals round periphery |
| 10/23/1997 | DE19609468C1 Verfahren zum Herstellen dünner Platten aus Natur- oder Kunststein A method for producing thin slabs of natural or artificial stone |
| 10/22/1997 | EP0802028A2 Device for detaching wafers from ingot support and stocking individualized wafers |
| 10/22/1997 | CN2265280Y Main frame of machine for integral cutting aerated concrete |
| 10/21/1997 | US5679172 Removing layer of contaminated material from surface using apparatus comprising first and second material removing means, drive for moving them alternately in directions toward and away from one another while in contact with surface |
| 10/21/1997 | US5678641 Drilling and chipping tool |
| 10/16/1997 | WO1997037774A1 Method of coating a cutting blade having improved wear characteristics |
| 10/16/1997 | DE19638718C1 Saw blade for slot cutting device, used in road and floor surfaces of asphalt, concrete and like |