Coburn Optical Industries, Inc.

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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 759
 
  
 
B23B TURNING; BORING 349
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 256
 
  
 
B23F MAKING GEARS OR TOOTHED RACKS 115
 
  
 
B24D TOOLS FOR GRINDING, BUFFING, OR SHARPENING 129
 
  
 
B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE 156

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5996596 Method and apparatus for cleaning ophthalmic lenses and blocksNov 19, 97Dec 07, 99[B08B]
5988191 Holder for ophthalmic lenses and lens blocksNov 19, 97Nov 23, 99[B08B]
5785580 Compression sleeve opthalmic lens chuckOct 21, 96Jul 28, 98[B24B]
5746436 Air pressurized chuckJul 12, 95May 05, 98[B23B]
5662518 Pneumatically assisted unidirectional conformal toolMay 03, 96Sep 02, 97[B24B]
5648025 Method for making light cured ophthalmic lens blocksDec 13, 95Jul 15, 97[B29D]
5577950 Conformal tool operating apparatus and process for an ophthalmic lens finer/polisherNov 29, 93Nov 26, 96[B24B]
5567198 Compression sleeve ophthalmic lens chuckNov 17, 94Oct 22, 96[B24B]
5542876 V-profile grinding wheelAug 19, 94Aug 06, 96[B24B, B23F]
5485771 Apparatus for generating ophthalmic products from blanks and a method of operating sameMar 19, 93Jan 23, 96[B23B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6109276 Method and apparatus for cleaning ophthalmic lenses and blocksExpiredNov 24, 99Aug 29, 00[B08B]
5928063 Pneumatically assisted unidirectional arcuate diaphragm conformal toolExpiredJun 13, 97Jul 27, 99[B24B]
5841662 Method and apparatus for chucked work piece recognitionExpiredJul 31, 96Nov 24, 98[G06F]
5800255 Lap adapterExpiredDec 02, 96Sep 01, 98[B24D]
5762546 Pneumatically assisted conformal tool for an ophthalmic lens finer/polisherExpiredDec 13, 95Jun 09, 98[B24D]
5649856 Tear-away block for an ophthalmic lensExpiredDec 13, 95Jul 22, 97[B24B]
5625267 Constant delay filtering for synchronized motion on multiple axesExpiredDec 13, 95Apr 29, 97[G05B]
5610823 Method for spindle speed optimization of motion profileExpiredDec 13, 95Mar 11, 97[G06F, G06G]
5582085 Dynamic infeed control with workpiece oscillation for segmenting swarf in a lathe applicationExpiredNov 09, 94Dec 10, 96[B23B]
5512004 Lens edging machine bevel control processExpiredJun 08, 93Apr 30, 96[B24B]
5489954 Lens projecting deviceExpiredOct 06, 93Feb 06, 96[B24B, G03B]
5377456 Eyeglass frame measuring cradleExpiredDec 04, 92Jan 03, 95[B24B]
D330715 Lens profilerExpiredFeb 27, 90Nov 03, 92[]
5157875 Apparatus for cutting and shaping materialExpiredJun 19, 91Oct 27, 92[B24B]
5105584 Lens cutting assembly and method and apparatus for effecting rapid replacement of lens cutting toolsExpiredJan 10, 91Apr 21, 92[B24B]
5085007 Toric lens fining apparatusExpiredSep 11, 89Feb 04, 92[B24B]
5005633 Lens blocking apparatusExpiredDec 08, 89Apr 09, 91[B22D]
4993195 Lens cutting methods for effecting rapid replacement of lens cutting toolsExpiredMar 08, 90Feb 19, 91[B24B]
4928433 Apparatus for effecting rapid replacement of lens cutting toolsExpiredMar 24, 88May 29, 90[B24B]
4912880 Computerized tracing/edging systemExpiredFeb 11, 88Apr 03, 90[B24B]

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