| Patents for B24B 55 - Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition (6,990) |
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| 03/16/2000 | DE19908708A1 Grinding of card wire with flexible bristle grinding elements to grind sides of wires includes additional shorter bristles to grind ends of wires |
| 03/15/2000 | EP0985490A2 Apparatus and method for cooling a workpiece |
| 03/08/2000 | EP0983822A1 Surface polishing apparatus |
| 03/01/2000 | EP0982098A2 Polishing apparatus |
| 03/01/2000 | CN2366230Y Spring pressing head of grinding device |
| 02/22/2000 | US6027399 Clean grinding system |
| 02/10/2000 | WO1999054087A3 Apparatus and method for rotary motion conversion and waste product collection unit |
| 02/10/2000 | DE19930560A1 Final surface machining of ionic ceramic, e.g. an engine valve, tappet or cam follower coating, comprises grinding with an ionic bonded oxide medium to produce an ultra-smooth surface retaining an ionic residue of the medium |
| 02/10/2000 | DE19834839A1 Schleifmaschine mit einer abnehmbaren Schutzhaube Grinder with a removable protective cover |
| 02/09/2000 | EP0978353A2 Grinding machine with removable protective cover |
| 02/03/2000 | DE19928987A1 Revolution number regulation unit for air rotation tool such as air grinder, air sanding machine |
| 02/01/2000 | US6018884 Air blow apparatus for a semiconductor wafer |
| 01/26/2000 | EP0820248A4 Quick change vacuum bag adapter |
| 01/20/2000 | DE19831383A1 Power tool with integrated dust collection container, which is particularly safely joined with valve on dust inlet and hook on top and has easy exchangeable filter positioned in top lid |
| 01/18/2000 | US6015487 Coolant purification system |
| 01/18/2000 | US6015336 Grinding apparatus |
| 01/13/2000 | WO2000001519A1 Method for the separation, regeneration and reuse of an exhausted glycol-based slurry |
| 01/13/2000 | DE19831166A1 Articulated guard cover for hand-held circular saw machine |
| 01/13/2000 | DE19830254A1 System for cleaning rollers with elastic mantles at high speed papermaking machines |
| 01/12/2000 | CN2357883Y Double-head pearls and jewels processing machine |
| 01/05/2000 | EP0968801A1 A method for separating and regenerating polyethylene glycol and silicon carbide abrasive material to enable re-use thereof |
| 01/05/2000 | DE19829190A1 Hand-held grinding machine for angle grinding of concrete |
| 01/04/2000 | US6010396 Blade cover in a cutting apparatus |
| 01/04/2000 | US6010010 Process for reclaiming a grinding suspension |
| 01/04/2000 | US6009767 Same-RPM rotary motion to eccentric rotary motion conversion |
| 12/29/1999 | WO1999067054A1 Wafer edge polishing method and apparatus |
| 12/29/1999 | EP0967049A1 Polishing apparatus |
| 12/23/1999 | DE19911769A1 Abrasive support for hand grinders using corundum etc. coated surface |
| 12/21/1999 | US6004197 Ergonomically friendly random orbital sander construction |
| 12/21/1999 | US6004192 Unit for polishing bevels on the edges of glass plates, particularly on numeric-control machines |
| 12/15/1999 | EP0963278A1 Motor-driven hand unit |
| 12/09/1999 | DE19908247A1 Milling machine for camshaft |
| 12/08/1999 | EP0962720A2 Ventilation structure of planarization chamber |
| 12/08/1999 | EP0938398A4 Variable volume coolant system |
| 12/08/1999 | CN2352310Y Structure for connecting dust-adsorbing device onto grinding wheel (polishing) machine |
| 11/30/1999 | US5993647 Circulation system of slurry |
| 11/30/1999 | US5993305 Air-drafting dust remover for power sander |
| 11/30/1999 | US5993297 Superabrasive grinding wheel with integral coolant passage |
| 11/24/1999 | EP0958890A1 Rotary joint for fluid |
| 11/23/1999 | US5989112 Universal abrasive disc |
| 11/19/1999 | WO1999059774A1 Machine tool and machining method |
| 11/19/1999 | CA2276724A1 Machine tool system and machining method |
| 11/18/1999 | DE19820919A1 Cutting fluid supply device for grindstone |
| 11/10/1999 | CN2347719Y Brush holder cover of abrader |
| 11/10/1999 | CN1234318A 改进的磨削和抛光机床 Improved grinding and polishing machine |
| 11/10/1999 | CN1234317A 改进的磨削和抛光机床 Improved grinding and polishing machine |
| 11/04/1999 | WO1999056189A1 Conductivity feedback control system for slurry blending |
| 11/03/1999 | EP0953406A2 Detail sander |
| 11/02/1999 | US5976983 Method of cleaning semiconductor wafers after lapping |
| 11/02/1999 | CA2165333C Method for supplying cooling medium to a grinding cup and grinding cup to carry out the method |
| 10/28/1999 | WO1999054089A1 Grinding wheel |
| 10/28/1999 | WO1999054087A2 Apparatus and method for rotary motion conversion and waste product collection unit |
| 10/28/1999 | CA2294490A1 Grinding wheel |
| 10/26/1999 | US5971839 Dust containment vacuum system |
| 10/21/1999 | WO1999052674A1 Minisanding-polishing machine for dust points of the paint on car bodies |
| 10/14/1999 | WO1999051398A1 Apparatus and methods for slurry removal in chemical mechanical polishing |
| 10/14/1999 | WO1999051397A1 Polishing device |
| 10/13/1999 | CN1231329A Metal working method |
| 10/05/1999 | US5961381 Apparatus for cooling a plunge grinding drum |
| 09/29/1999 | CN1045308C Water soluble metal working fluids |
| 09/16/1999 | WO1999046063A1 Cleaning device |
| 09/16/1999 | DE19809802A1 Verfahren zur Oberflächenbehandlung von Aluminium oder dergleichen A method for surface treatment of aluminum or the like |
| 09/15/1999 | EP0942076A1 Process for surface treatment of aluminium, aluminium alloys, magnesium, or magnesium alloys |
| 09/15/1999 | EP0942075A1 Process for surface treatment of aluminium, aluminium alloys, magnesium or magnesium alloys |
| 09/14/1999 | US5951388 Dust control device |
| 09/09/1999 | DE19908353A1 Grinder machine with plinth and protective plate |
| 09/09/1999 | DE19904602A1 Grinding roller for working curved or complex shaped surfaces |
| 09/09/1999 | DE19808070A1 Method for machine interface cooling and lubricating |
| 09/01/1999 | EP0938398A1 Variable volume coolant system |
| 09/01/1999 | CN2335743Y Liquid and scrap separating box |
| 09/01/1999 | CN1227518A Workpiece inspection and handling |
| 08/26/1999 | WO1999033609B1 Device and method for cool air cooling type machining |
| 08/24/1999 | US5942128 Method for processing metal working fluid |
| 08/24/1999 | US5941766 Dust collector |
| 08/24/1999 | US5941765 Sander |
| 08/10/1999 | US5934985 Palm grip random orbit sander with lower housing and dust collector coupled to lower housing |
| 08/03/1999 | US5931723 Polishing apparatus |
| 07/29/1999 | WO1999037441A1 Polishing apparatus |
| 07/28/1999 | EP0931501A2 Attachment for a floor maintenance machine |
| 07/22/1999 | WO1999036225A1 Grinding disc with a peripheral groove |
| 07/22/1999 | DE19801377A1 Grindstone with circumferential grooves for polishing edges of glass disks |
| 07/14/1999 | EP0928777A1 Waste treatment system in a polishing apparatus |
| 07/14/1999 | CN2328469Y Grinding head mechanism for glass edge grinder |
| 07/08/1999 | WO1999033616A1 Device and method for machining in which cool air cooling is used |
| 07/08/1999 | WO1999033609A1 Device and method for cool air cooling type machining |
| 07/07/1999 | EP0722483B1 Water soluble metal working fluids |
| 07/07/1999 | CN1222107A Grinding machine spindle flexibly attached to platform |
| 07/07/1999 | CN1221640A Wind pressure water dust removing treatment machine |
| 06/30/1999 | EP0926228A2 Method for processing metalworking fluid |
| 06/29/1999 | US5916013 Inner race grinding machine |
| 06/24/1999 | CA2256952A1 Method for processing metalworking fluid |
| 06/23/1999 | EP0924028A2 Method and apparatus for grinding |
| 06/23/1999 | CN2325163Y Horizontal filtration drum type dust extraction equipment |
| 06/15/1999 | US5911620 Pot-shaped grinding wheel |
| 06/15/1999 | US5911281 Pneumatic power tool |
| 06/15/1999 | US5911257 Device for removing objects adhered to a plate for bonding a semiconductor wafer |
| 06/10/1999 | DE19851064A1 Dust bag coupling for power tool with dust extractor |
| 06/03/1999 | WO1999026760A1 Wafer polishing machine |
| 06/01/1999 | US5908224 Vacuumatic concrete planer |
| 05/20/1999 | WO1999024219A1 Rotary joint for fluid |