Patents
Patents for B24B 7 - Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor (8,400)
03/1997
03/27/1997WO1997011484A1 Method of modifying an exposed surface of a semiconductor wafer
03/27/1997WO1997010925A2 Window polisher
03/27/1997CA2231159A1 Method of modifying an exposed surface of a semiconductor wafer
03/26/1997CN1145829A Grinding device
03/20/1997WO1997010613A1 Grinding method of grinding device
03/19/1997CN1145531A Method and appts. for making silicon chip
03/13/1997DE19636578A1 Prodn. of magnetic recording medium
03/12/1997CN2249147Y Disc-type sand grinding device
03/11/1997US5608939 Motor and driver mount diaphragm burnisher
03/04/1997US5607488 Molded abrasive article and process
03/04/1997US5607348 Disc brake grinding apparatus and method
02/1997
02/25/1997US5605494 Facility for grinding silicon nitride ceramic workpiece
02/25/1997US5605493 Stone polishing apparatus and method
02/19/1997EP0758573A1 Diamond grinding tool for surface machining of natural or artificial stone
02/19/1997EP0758287A1 A machine for smoothing/polishing flat slabs, in particular of ceramic material, natural stone, or other equivalent materials
02/19/1997CA2156452A1 Spiral pattern abrading tool
02/11/1997US5601732 Protecting film for wafer and method for grinding surface of wafer with the same
02/11/1997US5601482 Rod-shaped workpiece grinder
02/11/1997US5601481 Method and machining apparatus for use especially in the sanding of items of wood in a sanding machine
02/05/1997CN2246561Y Driving system of double-disk gem polishing machine
01/1997
01/29/1997EP0755751A1 Method of manufacturing semiconductor wafers and process of and apparatus for grinding used for the same method of manufacture
01/22/1997EP0754504A1 Abrading device
01/22/1997CN2245519Y Grinding disk system fo double-disk gemstone grinding machine
01/21/1997US5595529 Dual column abrading machine
01/20/1997CA2178178A1 Grinding machine
01/14/1997US5593343 Apparatus for reconditioning digital recording discs
01/14/1997US5593342 Device for smoothing and polishing stone
01/14/1997US5593341 Method for manufacturing a disk drive unit having magnetic disks with textured data areas and head landing zones
01/07/1997US5591071 Polishing device
01/02/1997EP0751553A2 No coat backside wafer grinding process
01/02/1997EP0750972A1 Ingot slicing machine with built-in grinder
01/02/1997DE19523423A1 Method of machining stub weld seams for coils, esp. saw belts
12/1996
12/24/1996US5586930 Grinding chip fitting type grinding plate
12/24/1996US5586928 Grinding apparatus with touch-top work surface
12/24/1996US5586926 Method for texturing a metallic thin film
12/24/1996CA2103010C Apparatus and method for finishing a workpiece
12/18/1996CN1138368A A disc brake assembly
12/17/1996US5584745 Method of machining silicon nitride ceramics and silicon nitride ceramics products
12/10/1996US5582539 Feeding mechanism for a sander
12/03/1996US5580301 Device for fastening a lapping disk to the axle of a motor of a lapping unit used on the rail of a railway
11/1996
11/28/1996WO1996037340A1 Interactive system for lapping transducers
11/28/1996DE19611932A1 Grinder, especially for painted surfaces
11/28/1996DE19518373A1 Belt grinder machine
11/21/1996WO1996036459A1 Improved method and apparatus for chemical mechanical polishing
11/20/1996CN2240430Y Multi-function stone cutting and grinding machine
11/19/1996US5575710 Leveling mechanism for floor sanders
11/19/1996US5575704 Method of polishing metal strips
11/13/1996EP0742076A1 A machine and a process for sizing and squaring slabs of materials such as glass, stone and marble, ceramic tiles and the like
11/13/1996CN2239861Y Granite cambered surface plate grinding and cutting machine
11/12/1996US5573447 For grinding or polishing a worked surface
11/06/1996CN2239323Y Marble surface grinder
11/05/1996US5571041 Method for repairing/refinishing an audio and video compact disk
10/1996
10/23/1996CN2238111Y Sanding machine for grinding wood board
10/22/1996US5567503 Polishing pad with abrasive particles in a non-porous binder
10/22/1996US5567199 Workpiece holder for rotary grinding machines for grinding semiconductor wafers, and method of positioning the workpiece holder
10/22/1996US5567197 Apparatus for sanding and buffing with a rotating roller
10/16/1996EP0737545A2 Apparatus for superfinishing both sides of a workpiece
10/15/1996US5564971 Roller and belt assembly for sanding and buffing machines
10/15/1996US5564966 Grind-machining method of ceramic materials
10/10/1996WO1996031316A1 Method and apparatus for reconditioning digital recording discs
10/09/1996EP0736147A1 A disc brake assembly
10/02/1996CN2236382Y Roller grinder
09/1996
09/24/1996US5558561 Method and machining apparatus for use especially in the sanding of items of wood in a sanding machine
09/18/1996CN2235352Y Universal grinding head of portable valve grinding machine
09/11/1996EP0730512A1 Brake rotor grinding method and apparatus
09/11/1996CN2234846Y Double-ring cam six-pendulum shaft granite wheelhead
09/03/1996US5551960 Article for polishing stone
08/1996
08/28/1996CN1129981A Equipment for the grinding of material samples
08/28/1996CN1129628A Polishing machine for carpenter
08/27/1996US5549509 Grinding apparatus with touch-top work surface
08/21/1996EP0727281A1 Motorized sander
08/13/1996US5545080 Motorized sander having a sanding head mounted by a pivotal joint
08/13/1996US5545076 Apparatus for gringing a semiconductor wafer while removing dust therefrom
08/08/1996DE19503201A1 Hand-held concrete grinder with gear housing containing angular gear
08/07/1996EP0724932A1 A semiconductor substrate, devices having the same and a method of manufacturing the same
08/01/1996DE19546228A1 Grinding machine with disc fixed to drive shaft of electric motor
07/1996
07/25/1996WO1996022173A1 Arrangement for grinding of preferably slabs and method
07/24/1996EP0722810A1 Compression spring grinding machine
07/24/1996CN1127426A Chemical-mechanical polisher and a process for polishing
07/23/1996US5538460 Apparatus for grinding hard disk substrates
07/10/1996CN1126131A Spiral pattern abrading tool
07/04/1996DE4446163A1 Verfahren und Vorrichtung zur Gewinnung von Antriebsriemen mit geringem Drehwinkelfehler Method and apparatus for the production of power transmission belts with little rotation angle error
07/03/1996CN2230211Y Sand polishing device fitted on four-side planer for wood worker
07/02/1996US5531636 Oscillating drum sander
06/1996
06/25/1996US5529051 Method of preparing silicon wafers
06/20/1996DE19547138A1 Grinding or polishing machine for natural or synthetic stone plates
06/05/1996DE19540626A1 Mirror polishing device for semiconductor wafers
06/05/1996CN2228394Y Horizontal universal edge grinding machine
06/05/1996CN1123728A Continuously grinding method for thin stone plate
05/1996
05/30/1996DE4436336C1 Smoothing one or two sides of fired or blank tiles
05/29/1996EP0713575A1 Equipement for the grinding of material samples
05/07/1996US5514027 Sanding head for a sanding machine
05/01/1996EP0709166A1 Chemical-mechanical polisher and a process for polishing
04/1996
04/30/1996US5512009 Method and apparatus for attenuating optical chatter marks on a finished surface
04/25/1996WO1996011771A1 Method and apparatus for sanding with a rotating roller
04/18/1996WO1996011084A1 Machine for trimming the sides of building blocks or the like
04/18/1996WO1996011083A1 Lateral evening process and device
04/16/1996US5507686 Brake-disk grinding
04/14/1996CA2134571A1 Wall corner sanding device
04/11/1996DE4436289C1 Finishing machine for edges of dried or fired moulded tiles
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