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Class Information
Number: 451/390
Name: Abrading > Work holder > Lens or prism
Description: Work holder especially adapted for holding a workpiece comprising an optical device for intentionally directing light rays.

Patents under this class:
1 2 3 4 5

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
8449351 Lower unit for glass polishing system and glass polishing method using the same May. 28, 2013
8246419 Rolling machine Aug. 21, 2012
8177607 Device for blocking optical elements May. 15, 2012
8157615 Device and process for applying and/or detaching a wafer to/from a carrier Apr. 17, 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
8082756 Method for improving the edging of an optical article by providing a temporary layer of an organic material Dec. 27, 2011
8002609 Method of manufacturing ferrule assemblies Aug. 23, 2011
7997957 Process for edging optical lenses Aug. 16, 2011
7946325 Device and method for blocking optical lens May. 24, 2011
7942726 Holder for supporting an end surface of a workpiece during polishing May. 17, 2011
7935402 Ophthalmic blocking pad May. 3, 2011
7869147 Holding device for optical element Jan. 11, 2011
7833090 Method of manufacturing ferrule assemblies Nov. 16, 2010
7789738 Sheet for mounting polishing workpiece and method for making the same Sep. 7, 2010
7706032 Scanner device and image forming apparatus Apr. 27, 2010
7578725 Lens layout block device Aug. 25, 2009
7563153 Method of preparing eyeglass lenses for mounting on the frame selected by the wearer Jul. 21, 2009
7500908 Pneumatic blocking support for an optical lens Mar. 10, 2009
7494402 Ferrule holder assembly for optical-fiber-end-face grinding apparatus Feb. 24, 2009
7438775 Lens layout block device Oct. 21, 2008
7413502 Method for producing ophthalmic lenses and other shaped bodies with optically active surfaces Aug. 19, 2008
7381119 Fixture for grinding machines Jun. 3, 2008
7371157 Fixture for grinding machines May. 13, 2008
7369238 Lens blank alignment and blocking device and method May. 6, 2008
7252579 Apparatus and process for cylindrically grinding workpieces Aug. 7, 2007
7189147 Lens layout block device Mar. 13, 2007
7153184 Method and apparatus for producing optical glasses Dec. 26, 2006
7150672 Cup attaching apparatus Dec. 19, 2006
7144306 Apparatus and process for cylindrically grinding workpieces Dec. 5, 2006
7090559 Ophthalmic lens manufacturing system Aug. 15, 2006
7074119 Polishing jig, conveyor tray, conveying method and conveying device Jul. 11, 2006
7066797 Block piece for holding an optical workpiece, in particular a spectacle lens, for machining thereof Jun. 27, 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
7011571 Blocking apparatus for lens manufacturing including automatic wax delivery system Mar. 14, 2006
6984168 Apparatus and method for chemical mechanical polishing of substrates Jan. 10, 2006
6979255 Holder for optical fiber ferrule end face grinding apparatus Dec. 27, 2005
6942746 Lens blocking system Sep. 13, 2005
6918822 Lens layout block device Jul. 19, 2005
6893332 Carrier assemblies, planarizing apparatuses including carrier assemblies, and methods for planarizing micro-device workpieces May. 17, 2005
6866571 Boltless carrier ring/carrier plate attachment assembly Mar. 15, 2005
6860790 Buffer system for a wafer handling system Mar. 1, 2005
6860798 Carrier assemblies, planarizing apparatuses including carrier assemblies, and methods for planarizing micro-device workpieces Mar. 1, 2005
6855036 Part-holding fixture for grinding wedged optical flats Feb. 15, 2005
6855042 Retaining device for a block or suction element Feb. 15, 2005

1 2 3 4 5

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