| 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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| 05/19/1999 | EP0916463A1 Method for recycling an abrasive suspension |
| 05/19/1999 | EP0916453A2 Dust extracting device for hand tool |
| 05/18/1999 | US5904611 Precision polishing apparatus |
| 05/12/1999 | EP0855946B1 Method of cooling and lubricating a tool and/or workpiece and a working spindle for carrying out the method |
| 05/06/1999 | EP0745017B1 Method for machining the edges of spectacle lenses |
| 05/06/1999 | DE19843512A1 Installation for feeding reusable machining fluid from one or more machines such as washing machines, grinding machines etc. back to a container and/or reconditioning unit |
| 04/29/1999 | DE19847624A1 Dust collection structure for power tool |
| 04/28/1999 | EP0911116A1 Grinding article and mounting device |
| 04/27/1999 | US5897430 Protective enclosure |
| 04/27/1999 | US5896870 Method of removing slurry particles |
| 04/14/1999 | EP0907461A1 Grinding machine spindle flexibly attached to platform |
| 04/08/1999 | WO1999016579A1 Sharpening of fittings |
| 04/08/1999 | DE19743721A1 Spent grinding suspension, used for machining silicon, quartz or ceramic, is reprocessed |
| 04/07/1999 | EP0906174A1 Workpiece inspection and handling |
| 04/06/1999 | US5890292 Portable hand-guided work apparatus having a tool guard |
| 04/01/1999 | DE19741987A1 Grinding machine for objects with conglomerate-forming grinding dust |
| 03/31/1999 | EP0904893A2 Inspection of wafer edge after grinding |
| 03/24/1999 | EP0903200A1 Improved grinding process |
| 03/23/1999 | US5885138 Method and apparatus for dry-in, dry-out polishing and washing of a semiconductor device |
| 03/23/1999 | US5885137 Chemical mechanical polishing pad conditioner |
| 03/23/1999 | US5885136 Methods and apparatus for supplying flushing fluid to a grinding head |
| 03/23/1999 | US5885134 Polishing apparatus |
| 03/11/1999 | DE19838480A1 Power driven cutting machine equipped with dust collector |
| 03/10/1999 | CN1042406C Method and apparatus for avoiding handtool machine from fault of clamping too tight of tool |
| 03/04/1999 | WO1999010692A1 Device for feeding compressed air and either carbon dioxide or liquefied or supercritical dinitrogen monoxide into a hose |
| 03/04/1999 | DE19737217A1 Combination tool for rough and fine polishing of optical lenses |
| 02/25/1999 | DE19736291A1 Device for directing compressed air and liquid carbon dioxide to machine for cooling |
| 02/24/1999 | EP0897778A1 Apparatus and method for machining workpieces by flushing working liquid to the tool-and-workpiece interface |
| 02/24/1999 | CN1208950A Point of use dilution tool and method |
| 02/24/1999 | CN1208682A Apparatus and method for machining workpieces |
| 02/18/1999 | DE19735447A1 Protector for rotary grinding machine |
| 02/16/1999 | US5871389 Grinding machine |
| 02/11/1999 | DE19734631A1 Workpiece swarf-cleaning equipment |
| 02/11/1999 | DE19734628A1 Swarf-removal system from machine-tool working area |
| 01/28/1999 | DE19818491A1 Ultra filtration of coolant for grinders |
| 01/26/1999 | US5862594 For use in an engine-driven machine |
| 01/19/1999 | US5860852 Oscillating spindle sander |
| 01/07/1999 | DE19827334A1 Angle grinder |
| 12/30/1998 | EP0887151A2 Improved chemical mechanical polishing pad conditioner |
| 12/23/1998 | WO1998057778A1 Inner race grinding machine |
| 12/23/1998 | EP0885691A2 Polishing apparatus |
| 12/23/1998 | EP0885089A1 Protection and suction hood sealingly set on a hand grinding and polishing machine |
| 12/09/1998 | EP0725716B1 Joint cutter |
| 12/08/1998 | US5846123 Compounding elements and use thereof |
| 12/02/1998 | EP0880424A1 A method and a device for wet-grinding of a floor |
| 11/25/1998 | CN2298099Y Protective device for polishing machine |
| 11/25/1998 | CN1200137A Process for protecting surfaces from weld spatter and metal sparks |
| 11/24/1998 | US5839948 Right angle sanders for wet sanding |
| 11/19/1998 | WO1998034759A3 Ergonomically friendly random orbital sander construction |
| 11/11/1998 | EP0877418A2 Edge-polishing apparatus and method |
| 11/11/1998 | CN2296799Y Box for collecting lapping scrap of billet |
| 11/10/1998 | US5833524 Dust collection system for a power tool |
| 11/10/1998 | US5833523 For delivering coolant to the working surfaces of a machine tool |
| 11/03/1998 | US5830043 Chemical-mechanical polishing apparatus with in-situ pad conditioner |
| 10/29/1998 | WO1998047659A1 Grinding unit |
| 10/28/1998 | CN1196992A Joint of electrically or pnenmatically stonemill |
| 10/27/1998 | US5827110 Polishing facility |
| 10/27/1998 | US5826478 Nozzle for supplying a liquid to a rotating tool |
| 10/21/1998 | EP0706437B1 Method for supplying cooling medium to a grinding cup and grinding cup to carry out the method |
| 10/20/1998 | US5823863 Machine for polishing and/or grinding |
| 10/14/1998 | CN2294136Y Dry type dust-removing and back-blowing grinding wheel set |
| 10/14/1998 | CN2294135Y Safety device for grinding machine |
| 09/29/1998 | US5813903 Sanding apparatus with a brake system |
| 09/29/1998 | CA2128026C Smoothing mill having suction device for removal of dust |
| 09/24/1998 | DE19809237A1 Hand-held power tool |
| 09/23/1998 | EP0865878A2 Cup-shaped grinding wheel |
| 09/23/1998 | EP0865342A1 Improvements in and relating to grinding machines |
| 09/22/1998 | US5810650 Grinding member and an adapter for mounting the grinding member on a grinding machine or a grinding member holder |
| 09/09/1998 | EP0862501A1 High entrainment venturi for random orbital sander dust collection |
| 09/09/1998 | CN2290444Y Dustless angle grinder |
| 09/03/1998 | WO1998038014A1 Motor-driven hand unit |
| 09/03/1998 | DE19800045A1 Hand grinding apparatus especially superfinish grinder |
| 09/02/1998 | EP0861705A2 Grinding cup |
| 09/02/1998 | CN1191792A Polishing plate for portable electric tool with dust suction device |
| 08/27/1998 | WO1998036871A1 Method and device for the abrasive precision machining of a blank |
| 08/26/1998 | EP0860864A2 Method of cleaning semiconductor wafers after lapping |
| 08/25/1998 | US5797789 Polishing system |
| 08/18/1998 | US5796229 Method and apparatus for robotic force controlled material removal with programmable overload release function |
| 08/18/1998 | US5795216 Abrading tool having a suction system for collecting abraded particles |
| 08/13/1998 | WO1998034759A2 Ergonomically friendly random orbital sander construction |
| 08/12/1998 | EP0734306B1 Method and device for grinding buttons of a rock drilling bit and a flushing head for supplying flushing medium when grinding buttons of a rock drilling bit |
| 08/12/1998 | CN2287538Y Protective glass device with lamp |
| 08/11/1998 | US5791979 Grinding vacuum shroud |
| 08/11/1998 | US5791977 Sander |
| 08/11/1998 | US5791970 Slurry recycling system for chemical-mechanical polishing apparatus |
| 08/05/1998 | EP0856036A1 Process for protecting surfaces from weld spatter and metal sparks |
| 08/05/1998 | EP0855946A1 Method of cooling and lubricating a tool and/or workpiece and a working spindle for carrying out the method |
| 08/05/1998 | EP0713435B1 Environmental conditioning of workpieces |
| 08/04/1998 | US5789885 Electric motor with field-current-generated magnetic-field brake |
| 08/04/1998 | US5789360 Phosphoric acid, fluoroboric acid, surfactant, water |
| 07/29/1998 | EP0855247A2 Random orbital sander |
| 07/21/1998 | US5782586 Spindle unit for machine tools |
| 07/14/1998 | US5779525 Polishing machine |
| 06/30/1998 | US5772498 Electrical hand grinder |
| 06/25/1998 | DE19652134A1 Cooling system for grinding device |
| 06/24/1998 | EP0849778A2 Improvements in or relating to wafer polishing |
| 06/24/1998 | EP0849041A2 Polishing method |
| 06/24/1998 | EP0849040A2 Method of polishing |
| 06/23/1998 | US5768740 To remove debris from a surface of a work site |
| 06/18/1998 | DE19651791A1 Removing coolant and oil from workpieces |