Wernicke & Co. GmbH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 561

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5630746 Spectacle lens edge grinding machineDec 22, 95May 20, 97[B24B]
5588899 Apparatus for grinding spectacle lensesApr 28, 95Dec 31, 96[B24B]
5538459 Process for measuring forward and rearward three-dimensional curves and thickness of a corrective lensFeb 14, 95Jul 23, 96[B24B]
5454194 System for grinding the optical surfaces and/or the edges of eyeglass lensesMay 18, 94Oct 03, 95[B24B]
5363597 Eyelgass lens edging machineApr 13, 93Nov 15, 94[B24B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7338347 Spectacle-lens edging machineExpiredNov 20, 06Mar 04, 08[B24B]
7137871 Spectacle lens edging machineExpiredDec 23, 04Nov 21, 06[B24B]
6855042 Retaining device for a block or suction elementExpiredAug 20, 02Feb 15, 05[B24B]
6848969 Method and device for treating spectacle glasses by means of a CNC-controlled spectacle glass treatment machineExpiredJun 19, 02Feb 01, 05[B24B]
6813536 Method and device for computer numerical control of machining of spectacle lensesExpiredAug 07, 00Nov 02, 04[B24B, G06F]
6579155 Method and apparatus for form machining the peripheral edge of spectacle lensesExpiredJan 28, 02Jun 17, 03[B24B]
6564111 Method and device for forming a bevel on the edge of a glass lensExpiredAug 07, 00May 13, 03[G06F]
6419570 Holding device for a spectacle glassExpiredFeb 08, 01Jul 16, 02[B24B]
6332827 Apparatus for machining glass lensesExpiredAug 07, 00Dec 25, 01[B24B]
6168505 Polishing machine for spectacle lensesExpiredApr 12, 99Jan 02, 01[B24B]
5993294 Method and spectacle lens grinding machine for shape grinding the circumferential edge of spectacle lenses and optionally for subsequently grinding a facetExpiredApr 25, 97Nov 30, 99[B24B]
5989102 Apparatus for facetting ophthalmic lensesExpiredJan 16, 96Nov 23, 99[B24B]
5961376 Method of increasing the service life of grinding wheelsExpiredJan 16, 98Oct 05, 99[B24B]
5934972 NC grinding process for the circumferential edge and top facet of an ophthalmic lensExpiredNov 19, 96Aug 10, 99[B24B]
5908348 Method for CNC-controlled shape grinding of spectacle lensesExpiredOct 31, 97Jun 01, 99[B24B]
5904613 Additional, friction-wheel-driven grinding spindle for bevelling the edges of spectacle lenses on a spectacle-lens-edging machineExpiredOct 24, 97May 18, 99[B24B]
5727987 Apparatus for the grinding of at least the peripheral edge of eyeglass lenses and methodExpiredJul 25, 96Mar 17, 98[B24B]
5720647 Device for mounting a retaining part on an optical surface of an ophthalmic blankExpiredFeb 20, 96Feb 24, 98[B24B]
5653626 Gripping means for handling ophthalmic lensesExpiredSep 29, 95Aug 05, 97[B24B, B25B]
5615588 Apparatus for processing the edge of ophthalmic lensesExpiredApr 30, 93Apr 01, 97[B23B]

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