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Class Information
Number: 451/398
Name: Abrading > Work holder > Work rotating > Rotary work holder
Description: Work holder comprising rotary member holding and turning with the workpiece.










Sub-classes under this class:

Class Number Class Name Patents
451/399 Crank shaft 29
451/400 Orbital movement 24
451/401 Turret 45


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
8694150 Machining installation for workpieces Apr. 8, 2014
8628382 Workpiece holder for a surface grinding machine Jan. 14, 2014
8585468 Retaining ring with shaped surface Nov. 19, 2013
8574033 Wafer support member, method for manufacturing the same and wafer polishing unit comprising the same Nov. 5, 2013
8535121 Retaining ring and articles for carrier head Sep. 17, 2013
8485866 Substrate holding apparatus, polishing apparatus, and polishing method Jul. 16, 2013
8485864 Double-side polishing apparatus and method for polishing both sides of wafer Jul. 16, 2013
8479372 Ring engraving fixture Jul. 9, 2013
8475231 Carrier head membrane Jul. 2, 2013
8469776 Flexible membrane for carrier head Jun. 25, 2013
8465346 Slidable platform abrasion workstation device for truing model car wheels and axles Jun. 18, 2013
8465345 Stepped retaining ring Jun. 18, 2013
8460067 Polishing head zone boundary smoothing Jun. 11, 2013
8454408 Load cup substrate sensing Jun. 4, 2013
8454413 Multi-chamber carrier head with a textured membrane Jun. 4, 2013
8449355 Glass polishing system May. 28, 2013
8444456 Electrode securing platens and electrode polishing assemblies incorporating the same May. 21, 2013
8444453 Device and method for fine or finest processing of a rotationally symmetric work piece surface May. 21, 2013
8403731 Inclination angle adjusting device and workpiece attaching device Mar. 26, 2013
8403732 Inclination angle adjusting device and workpiece attaching device Mar. 26, 2013
8393936 Substrate retaining ring for CMP Mar. 12, 2013
8376813 Retaining ring and articles for carrier head Feb. 19, 2013
8357029 Polishing apparatus Jan. 22, 2013
8337280 High speed platen abrading wire-driven rotary workholder Dec. 25, 2012
8298047 Substrate retainer Oct. 30, 2012
8267746 Substrate holding apparatus, polishing apparatus, and polishing method Sep. 18, 2012
8268114 Workpiece holder for polishing, workpiece polishing apparatus and polishing method Sep. 18, 2012
8262437 Glass polishing system Sep. 11, 2012
8231429 Slow speed spindle for micropunch grinding Jul. 31, 2012
8192248 Semiconductor wafer polishing apparatus and method of polishing Jun. 5, 2012
8148266 Method and apparatus for conformable polishing Apr. 3, 2012
8137157 Lapping carrier and method Mar. 20, 2012
8137162 Semiconductor wafer polishing machine Mar. 20, 2012
8118646 Carrier for double-side polishing apparatus, double-side polishing apparatus using the same, and double-side polishing method Feb. 21, 2012
8100743 Polishing apparatus Jan. 24, 2012
8100739 Substrate holding apparatus, polishing apparatus, and polishing method Jan. 24, 2012
8070560 Polishing apparatus and method Dec. 6, 2011
8066551 Retaining ring with shaped surface Nov. 29, 2011
8052505 Wafer processing method for processing wafer having bumps formed thereon Nov. 8, 2011
8033895 Retaining ring with shaped profile Oct. 11, 2011
8021215 Carrier head with retaining ring and carrier ring Sep. 20, 2011
8002610 Double side polishing method and apparatus Aug. 23, 2011
7976362 Substrate polishing apparatus and method Jul. 12, 2011
7967665 Substrate holding apparatus, polishing apparatus, and polishing method Jun. 28, 2011
7959496 Flexible membrane assembly for a CMP system and method of using Jun. 14, 2011
7950985 Flexible membrane for carrier head May. 31, 2011
7946325 Device and method for blocking optical lens May. 24, 2011
7942725 Polishing apparatus May. 17, 2011
7934979 Retaining ring with tapered inner surface May. 3, 2011
7927190 Retaining ring with shaped surface Apr. 19, 2011

1 2 3 4 5 6 7 8 9 10 11










 
 
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