Optics Technology Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE 651
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 3122
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE40152 Injection molded thermoplastic spectacle lens suited for fully automated dip hardcoatingFeb 08, 02Mar 18, 08[B29D]
6024902 Injection molded paired thermoplastic spectacle lenses suited for fully automated dip hardcoatingJan 20, 98Feb 15, 00[B29D]
5866262 Fully-hydrolized ketimine silane/epoxide silane copolymer liquid hardcoating compositions and processes for dipcoating polycarbonate spectacle lensesApr 07, 97Feb 02, 99[B32B]
5792392 Lens thickness adjustment in plastic injection moldFeb 28, 97Aug 11, 98[B29D]
5750060 Method and apparatus for injection compression molding and ejecting paired thermoplastic spectacle lens suited for fully automated dip hardcoatingFeb 05, 97May 12, 98[B29C, B29D]
5750156 Apparatus for injection-compression molding and ejecting paired thermoplastic spectacle lens suited for fully automated dip hardcoatingFeb 05, 97May 12, 98[B29C]
5718849 Method and apparatus for injection-compression molding & ejecting paired thermoplastic spectacle lens suited for fully automated dip hardcoatingSep 25, 95Feb 17, 98[B29D]
5512221 Lens thickness adjustment method and apparatus in a thermoplastic injection mold for ophthalmic finished spectacle lensesDec 22, 94Apr 30, 96[B29D]
5376317 Precision surface-replicating thermoplastic injection molding method and apparatus, using a heating phase and a cooling phase in each molding cycleDec 08, 92Dec 27, 94[B29C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4900242 Apparatus for injection molding articlesExpiredSep 20, 88Feb 13, 90[B29C]
4828769 Method for injection molding articlesExpiredMay 05, 86May 09, 89[B29C, B29D]

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