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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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Class Information
Number: 451/394
Name: Abrading > Work holder > Work reciprocating > Rectilinearly > And work rotating
Description: Work holder in which the workpiece is rotated while being reciprocated.










Patents under this class:

Patent Number Title Of Patent Date Issued
8137162 Semiconductor wafer polishing machine Mar. 20, 2012
7946325 Device and method for blocking optical lens May. 24, 2011
7169022 Method and apparatus for creating a groove in a collector ring of an electrical device Jan. 30, 2007
6821193 Material positioning and shaping system apparatus Nov. 23, 2004
6733371 Machine tool with a separation wall between a housing and a work space May. 11, 2004
6648979 Apparatus and method for wafer cleaning Nov. 18, 2003
6371840 Method and apparatus for processing a planar structure Apr. 16, 2002
6120360 Apparatus for processing a planar structure Sep. 19, 2000
6062961 Wafer polishing head drive May. 16, 2000
5713784 Apparatus for grinding edges of a glass sheet Feb. 3, 1998
5664985 Method and apparatus for texturizing disks Sep. 9, 1997
5487697 Polishing apparatus and method using a rotary work holder travelling down a rail for polishing a workpiece with linear pads Jan. 30, 1996
5384986 Polishing apparatus Jan. 31, 1995
5323571 Grinding machine for grinding tripods of constant velocity couplings Jun. 28, 1994
5187900 Auxiliary device for a machine tool Feb. 23, 1993
4669223 Superfinishing and grinding machine for shafts and the like Jun. 2, 1987
4638603 Device for sharpening single-flute countersinks Jan. 27, 1987
4580367 Abrading apparatus Apr. 8, 1986
4414780 Gear burnishing and honing machine Nov. 15, 1983
4287687 Variable work holding device for grinding gemstones Sep. 8, 1981
4144676 Machine tool having frame mounted head and tail stocks Mar. 20, 1979
4106242 Workhead for an automatic bur grinding machine Aug. 15, 1978
4004377 Machine for forming a locator pin Jan. 25, 1977











 
 
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