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Class Information
Number: 451/384
Name: Abrading > Work holder > Clamp > Lens holder
Description: Work holder particularly adapted for securing a lens during abrading.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8690639 Method of manufacturing eyeglass lens Apr. 8, 2014
8616150 Device for blocking workpieces, particularly spectacle lenses, for the processing and/or coating thereof Dec. 31, 2013
8460069 Lens holder Jun. 11, 2013
8382932 Method for blocking a lens blank, adhesive composition and use of the latter in lens blocking Feb. 26, 2013
8323078 Apparatus for polishing semi-conductor dice Dec. 4, 2012
8177607 Device for blocking optical elements May. 15, 2012
8141220 Method for uncoupling the support and removing the protective film from lenses during production Mar. 27, 2012
8128459 Polishing holder for workpiece end surface Mar. 6, 2012
7942726 Holder for supporting an end surface of a workpiece during polishing May. 17, 2011
7749051 Method and apparatus for aligning optical elements Jul. 6, 2010
7661819 Method and a device for automatically preparing an ophthalmic lens for mounting Feb. 16, 2010
7578725 Lens layout block device Aug. 25, 2009
7500903 Polishing apparatus Mar. 10, 2009
7494402 Ferrule holder assembly for optical-fiber-end-face grinding apparatus Feb. 24, 2009
7422510 Lens machining machine Sep. 9, 2008
7369238 Lens blank alignment and blocking device and method May. 6, 2008
7326104 Apparatus for holding lenses and method for use thereof Feb. 5, 2008
7309278 Lean presser for holding eyeglass lens and eyeglass lens processing apparatus having the same Dec. 18, 2007
7278906 Adhesive tape and edging method using same Oct. 9, 2007
7255634 Draining device and lens processing system having the same Aug. 14, 2007
7252578 Apparatus for cylindrically grinding workpieces Aug. 7, 2007
7198547 Lens edger Apr. 3, 2007
7189147 Lens layout block device Mar. 13, 2007
7189148 Polishing apparatus Mar. 13, 2007
7169026 End face polishing apparatus Jan. 30, 2007
7150672 Cup attaching apparatus Dec. 19, 2006
7144306 Apparatus and process for cylindrically grinding workpieces Dec. 5, 2006
7108590 Draining device and lens processing system having the same Sep. 19, 2006
7074119 Polishing jig, conveyor tray, conveying method and conveying device Jul. 11, 2006
7063602 Mounting apparatus for polishing end faces of optical fibers Jun. 20, 2006
7059037 Blocking apparatus providing an adjustable offset for precision alignment Jun. 13, 2006
7052386 Curved surface cutting processing method May. 30, 2006
6974363 Unit for the form machining of the edges of spectacle lenses and method of manipulating blank lenses and finished lenses in such a unit Dec. 13, 2005
6964599 Method and apparatus for holding or mounting an object Nov. 15, 2005
6953381 System and method for ophthalmic lens manufacture Oct. 11, 2005
6863602 Method and apparatus for blocking and deblocking a lens Mar. 8, 2005
6855042 Retaining device for a block or suction element Feb. 15, 2005
6827093 Optical lens steam cleaning apparatus and method of using the same Dec. 7, 2004
6800021 End face polishing apparatus Oct. 5, 2004
6786802 Method for lathing a lens Sep. 7, 2004
6736702 End face polishing machine May. 18, 2004
6733369 Method and apparatus for polishing or lapping an aspherical surface of a work piece May. 11, 2004
6729939 Polishing method for intraocular lens May. 4, 2004
6682397 Machining device for processing metal hanging rod of blinds Jan. 27, 2004
6658723 Method for collective production of magnetic heads having a bearing surface with specific height Dec. 9, 2003
6656029 Semiconductor device incorporating hemispherical solid immersion lens, apparatus and method for manufacturing the same Dec. 2, 2003
6648730 Calibration tool Nov. 18, 2003
6612907 Dry polishing of intraocular lenses Sep. 2, 2003
6582286 End face polishing apparatus Jun. 24, 2003
6568990 System and method for ophthalmic lens manufacture May. 27, 2003

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