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Browse by Category: Main > Tools & Hardware
Class Information
Number: 451/282
Name: Abrading > Machine > Rotary tool > Rotary disk > Work guide
Description: Abrading machine using a member to position the workpiece with reference to the tool.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8678882 Combination sharpener assembly Mar. 25, 2014
8460068 Disc sander Jun. 11, 2013
8323078 Apparatus for polishing semi-conductor dice Dec. 4, 2012
8303379 Systems for profiling sheet products Nov. 6, 2012
8221194 Method of grinding bar-shaped workpieces, grinding machine for carrying out the method, and grinding cell in twin arrangement Jul. 17, 2012
8177605 Bowling ball surface treatment device May. 15, 2012
8113919 Bowling ball surface treatment apparatus Feb. 14, 2012
8092279 Sharpening system for scissors with complex curved blades Jan. 10, 2012
8066553 Wafer clamping device for a double side grinder Nov. 29, 2011
8016646 Saw blade sharpening assembly Sep. 13, 2011
7601052 Key destroyer Oct. 13, 2009
7488238 Emery wheel grinding machine with adjustable drill bit chuck Feb. 10, 2009
7488239 Assembly for grinding electrodes Feb. 10, 2009
7238096 Orbital rotary blade sharpener Jul. 3, 2007
7018274 Polishing pad having slurry utilization enhancing grooves Mar. 28, 2006
6918823 Double grinding wheel Jul. 19, 2005
6916231 Polishing apparatus Jul. 12, 2005
6913522 Method and device for grinding central bearing positions on crankshafts Jul. 5, 2005
6863600 Apparatus for precision edge refinement of metallic cutting blades Mar. 8, 2005
6676500 Drill bit sharpener Jan. 13, 2004
6673194 Method and apparatus for surface processing of printed wiring board Jan. 6, 2004
6645055 Apparatus, in particular for the grinding of electrodes for TIG welding Nov. 11, 2003
6383332 Endpoint detection method and apparatus which utilize a chelating agent to detect a polishing endpoint May. 7, 2002
6350187 Abrasive machine Feb. 26, 2002
6296555 Wafer machining apparatus Oct. 2, 2001
6267652 Versatile ultrahone sharpener Jul. 31, 2001
6267653 Device for grinding an end face, especially an annular surface at the edge of a workpiece bore Jul. 31, 2001
6258205 Endpoint detection method and apparatus which utilize an endpoint polishing layer of catalyst material Jul. 10, 2001
6186876 Apparatus for grinding welding electrodes, in particular wolfram electrodes Feb. 13, 2001
6159079 Carrier head for chemical mechanical polishing a substrate Dec. 12, 2000
6113476 Versatile ultrahone sharpener Sep. 5, 2000
6086458 Drill polishing method and its centering tool Jul. 11, 2000
6012971 Sharpening apparatus Jan. 11, 2000
5934975 Dental curet and sharpening machine system Aug. 10, 1999
5913717 Sphere polishing machine Jun. 22, 1999
5762543 Polishing apparatus with improved product unloading Jun. 9, 1998
5645468 Dental curet and sharpening machine system Jul. 8, 1997
5628675 Pipe end beveling apparatus May. 13, 1997
5611726 High speed precision sharpening apparatus Mar. 18, 1997
5495988 Hypodermic needle grinder Mar. 5, 1996
5449315 Portable manual sharpener for knives and the like Sep. 12, 1995
5337522 Grindstone shield and worktable of grinding machine Aug. 16, 1994
5245791 Scissor sharpening apparatus Sep. 21, 1993
5186402 Injection needle disposal device Feb. 16, 1993
5181346 Thru-feed lapping apparatus Jan. 26, 1993
5168657 Bottle mouth top surface polishing apparatus Dec. 8, 1992
5148587 Multi-purpose pipeline construction and testing machine Sep. 22, 1992
5148634 Scissor sharpening apparatus with magnetic guide Sep. 22, 1992
5136816 Edge sharpener for skis Aug. 11, 1992
5023984 Deburring method and machine Jun. 18, 1991

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