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Browse by Category: Main > Tools & Hardware
Class Information
Number: 451/9
Name: Abrading > Precision device or process - or with condition responsive control > With indicating > Of tool or work holder position
Description: Subject matter using or including means to show the location of an abrading tool or workpiece gripping means.










Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8673454 System for producing a dental-shaped body Mar. 18, 2014
8636559 Method for wafer back-grinding control Jan. 28, 2014
8574028 Grinder/polisher Nov. 5, 2013
8485860 Abrasive products with splice marks and automated splice detection Jul. 16, 2013
8485863 Polishing liquids for activating and/or conditioning fixed abrasive polishing pads, and associated systems and methods Jul. 16, 2013
8454408 Load cup substrate sensing Jun. 4, 2013
8414354 Glass manufacturing device Apr. 9, 2013
8408965 Eddy current gain compensation Apr. 2, 2013
8366512 Eyeglass lens processing apparatus for processing periphery of eyeglass lens and eyeglass lens processing method Feb. 5, 2013
8337279 Closed-loop control for effective pad conditioning Dec. 25, 2012
8337276 Automated detection of characteristics of abrasive products during use Dec. 25, 2012
8317570 Control of a grinding device with grinding rollers on winding shafts Nov. 27, 2012
8298041 System and method for wafer back-grinding control Oct. 30, 2012
8241091 Eyeglass lens processing apparatus Aug. 14, 2012
8221190 Polishing apparatus cofigured to simultaneously polish two surfaces of a work Jul. 17, 2012
8197300 Simultaneous double-side grinding of semiconductor wafers Jun. 12, 2012
8187055 Polishing apparatus and polishing method May. 29, 2012
8145342 Methods and systems for adjusting operation of a wafer grinder using feedback from warp data Mar. 27, 2012
8142257 Detecting device for abnormal workpiece rotation in non-circular workpiece grinding machine Mar. 27, 2012
8118640 Wafer transferring apparatus, polishing apparatus, and wafer receiving method Feb. 21, 2012
8113913 Method for the simultaneous grinding of a plurality of semiconductor wafers Feb. 14, 2012
8100739 Substrate holding apparatus, polishing apparatus, and polishing method Jan. 24, 2012
8083571 Polishing apparatus Dec. 27, 2011
8070555 Visual feedback for airfoil polishing Dec. 6, 2011
8047895 Machining device comprising a measuring device for a model Nov. 1, 2011
8025554 Method of polishing work Sep. 27, 2011
8002607 Polishing apparatus and polishing method Aug. 23, 2011
7988528 Apparatus and method for grinding threaded portion of workpiece Aug. 2, 2011
7985119 Blank for the production of a dental shaped body and method of producing said shaped body Jul. 26, 2011
7980920 Spectacle lens manufacturing method Jul. 19, 2011
7976358 Polishing apparatus and polishing method Jul. 12, 2011
7927181 Apparatus for removing material from microfeature workpieces Apr. 19, 2011
7927185 Method for assessing workpiece nanotopology using a double side wafer grinder Apr. 19, 2011
7930058 Nanotopography control and optimization using feedback from warp data Apr. 19, 2011
7916407 Holding assembly and transport arrangement for handling lenses and method for finishing lenses Mar. 29, 2011
7909676 Independent measuring apparatus for grinding machines Mar. 22, 2011
7848843 Eyeglass lens processing apparatus and lens fixing cup Dec. 7, 2010
7837533 Apparatus for processing and measuring workpieces which are provided with cutting teeth Nov. 23, 2010
7824246 Wheel spindle device for grinding machine Nov. 2, 2010
7811153 High throughput servo load cup with integrated wet chemistry delivery Oct. 12, 2010
7803036 Method of using a contour follower Sep. 28, 2010
7722437 Manufacturing method of semiconductor integrated circuit device May. 25, 2010
7666062 Grinding apparatus with magnetic bearings Feb. 23, 2010
7662023 Double side wafer grinder and methods for assessing workpiece nanotopology Feb. 16, 2010
7645180 Method for finishing a workpiece Jan. 12, 2010
7635289 Contour follower Dec. 22, 2009
7628677 Automated insulation milling machine Dec. 8, 2009
7601049 Double side wafer grinder and methods for assessing workpiece nanotopology Oct. 13, 2009
7585205 Substrate polishing apparatus and method Sep. 8, 2009
7572169 Advanced finishing control Aug. 11, 2009

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