| Patents for B24B 13 - Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor (3,763) |
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| 02/05/1992 | CN1058366A Technology for processing miniature ultrathin glass amplifier |
| 02/04/1992 | US5085013 Contact lens orientation method and apparatus |
| 02/04/1992 | US5085007 Toric lens fining apparatus |
| 01/23/1992 | WO1992000832A1 Computer controlled lens surfacer |
| 01/22/1992 | CN1058105A Target domain profiling of target optical surfaces using excimer laser photoablation |
| 01/14/1992 | US5080482 Lens alignment and positioning method and apparatus |
| 12/31/1991 | US5076026 Microscopic grinding method and microscopic grinding device |
| 12/24/1991 | US5074082 Method for producing bifocal contact lenses |
| 12/10/1991 | US5071525 Method of grinding lenses and apparatus therefor |
| 12/10/1991 | US5071101 Mold for an intraocular/contact lens |
| 12/10/1991 | US5070657 Device for fastening a holding part on an eyeglass lens |
| 12/04/1991 | EP0459280A2 Lens alignment and positioning method and apparatus |
| 12/03/1991 | US5069003 Method for making microprisms |
| 11/26/1991 | US5067282 Method and apparatus for non-contact measuring and, in case, abrasive working of surfaces |
| 11/21/1991 | EP0457612A2 Target domain profiling of target optical surfaces using excimer laser photoablation |
| 11/19/1991 | US5067067 Method for evaluating and designing lenses |
| 10/30/1991 | EP0453627A2 Plastic lens generator and method |
| 10/29/1991 | US5061342 Target domain profiling of target optical surfaces using excimer laser photoablation |
| 10/23/1991 | EP0453094A2 Lens grinding method and apparatus |
| 10/22/1991 | US5058281 Control system for ruling blazed, aberration corrected diffraction gratings |
| 10/19/1991 | CA2039289A1 Lens grinding method and apparatus |
| 10/16/1991 | EP0451509A1 Abrading device |
| 10/08/1991 | US5054244 Polishing apparatus |
| 10/03/1991 | WO1991014536A1 A machine for finishing the surface of a lens |
| 10/02/1991 | CN1054935A Soft contact lens processing aid |
| 10/01/1991 | US5052153 Cutting tool with polycrystalline diamond segment and abrasive grit |
| 09/25/1991 | EP0447885A2 Polishing method of goods and abrasive pad therefor |
| 09/18/1991 | EP0447084A1 Ophthalmic lens manufacture |
| 09/17/1991 | US5048238 Non-contact machining of spherical surface |
| 09/15/1991 | CA2037853A1 Ophthalmic lens manufacture |
| 09/11/1991 | EP0445988A2 Spherical surface machining apparatus and transporting apparatus therefore |
| 08/27/1991 | US5042935 Blanks for making prescription eyeglass lenses |
| 08/21/1991 | EP0442745A1 Soft contact lens processing aid |
| 08/08/1991 | WO1991011292A1 Optical surface quality improving arrangement |
| 08/08/1991 | DE4003000A1 Adjustment of spectacle lens in frame - having frame details called from memory to provide graphics pattern print |
| 07/31/1991 | EP0439428A2 Process for the production of contact lenses and contact lens preparation system |
| 07/31/1991 | EP0439425A1 Device for machining an ophthalmic lens with, in particular, aspheric surfaces |
| 07/31/1991 | EP0439124A2 Polishing pad with uniform abrasion |
| 07/25/1991 | CA2034708A1 Method for the manufacture of contact lenses, and contact lens production system |
| 07/11/1991 | DE4000291A1 Lens grinding machine - has lens holder mounted on swinging arm driven by system of eccentric shafts |
| 07/10/1991 | EP0436315A2 Injection moldable plastic laps |
| 07/09/1991 | US5029416 Electronic brake for lens generator device |
| 07/02/1991 | US5027560 Machine for finishing the surface of a lens |
| 07/02/1991 | US5027492 Device for fitting temporary securing means to a workpiece |
| 06/25/1991 | US5026421 With a boron compound as an anticaking agent and suspension aid; polishing efficiency; optics, windows, screens |
| 06/19/1991 | EP0433114A1 Method and apparatus for measuring the edge thickness of a spectacle lens |
| 06/18/1991 | US5024315 Method of distributing workpieces between a conveyor and workstations |
| 06/18/1991 | US5024024 Grinding and finishing apparatus and method |
| 06/12/1991 | EP0431553A2 Microscopic grinding method and microscopic grinding device |
| 06/04/1991 | US5020283 Polishing pad with uniform abrasion |
| 04/30/1991 | US5011513 Single step, radiation curable ophthalmic fining pad |
| 04/17/1991 | EP0383910A4 Method and cassette for abrasive machining of the surface of parts |
| 04/16/1991 | US5007975 Ultraviolet-hardenable adhesive and bonding method employing same |
| 04/03/1991 | EP0420754A1 Control device for a movable part, especially for a pitching device |
| 04/03/1991 | EP0420753A1 Device for fastening a holding part on lenses |
| 04/02/1991 | US5003791 Principles and appliances for the cutting of spherical-faceted gems and gems thus obtained |
| 03/21/1991 | DE3930503A1 Grinding machine with lens support block - has support plate tilting in any direction at middle region, with external support |
| 03/19/1991 | US5000761 Gel producing pad and improved method for surfacing and polishing lenses |
| 03/19/1991 | US4999954 Polishing apparatus |
| 03/06/1991 | EP0415813A1 Device for blocking a lens blank |
| 02/26/1991 | US4995300 Lathe for generating aspherical surfaces on work pieces |
| 02/19/1991 | US4993195 Lens cutting methods for effecting rapid replacement of lens cutting tools |
| 02/19/1991 | US4993190 Polishing apparatus |
| 02/07/1991 | DE4022009A1 Grinding and polishing small spherical lenses - involves working lens surface against abrasive layer flowing over conical mouth of rapidly rotating tube |
| 02/06/1991 | EP0411856A1 Apparatus for making a contact lens |
| 02/05/1991 | US4989316 Method and apparatus for making prescription eyeglass lenses |
| 01/31/1991 | DE4023975A1 Forming of glass lenses in 2-stage process - lens blanks are produced by grinding under an anode tool and then pressed in a heated polished tool |
| 01/24/1991 | DE3924078A1 Holding lens during grinding and polishing - involves thin rubber disk to create sealed-off low pressure area between lens and holder |
| 01/23/1991 | EP0409760A1 Apparatus for centering and blocking ophtalmic lenses |
| 01/16/1991 | CN2069332U Spindle deflection type high-speed finish grinding and polishing machine |
| 01/01/1991 | US4980993 Method and apparatus for manufacturing contact lens |
| 12/25/1990 | US4979337 Convex resilient polishing head |
| 12/18/1990 | US4977675 Apparatus for marking eyeglass lens blanks |
| 12/05/1990 | EP0400658A2 Coated abrasive material, process of making and use of same |
| 12/04/1990 | US4974368 Polishing apparatus |
| 11/13/1990 | US4969914 Airplane window polishing device |
| 11/13/1990 | US4969783 Method of working fresnel step |
| 10/30/1990 | US4965967 Apparatus for low stress polishing of spherical objects |
| 10/24/1990 | EP0393615A1 Polishing apparatus |
| 10/16/1990 | US4962618 Lens lapping pad |
| 10/09/1990 | US4961802 Method of manufacturing a lens array for reading information |
| 09/25/1990 | US4958463 Optical surface quality improving arrangement |
| 09/19/1990 | EP0387333A1 Method and system for generating wide-range toric lenses |
| 09/18/1990 | US4956944 Polishing apparatus |
| 08/29/1990 | EP0383910A1 Method and cassette for abrasive machining of the surface of parts |
| 08/14/1990 | US4947715 Method and apparatus for cutting an aspheric surface on a workpiece |
| 07/24/1990 | US4942696 Blocking shim and method for prescription-laboratory processing of aspheric progressive-addition lenses |
| 07/03/1990 | US4938489 Self-centering holder for optical devices and the like |
| 06/26/1990 | US4936056 Ophthalmic lens centering and mounting device |
| 06/13/1990 | CN1008335B Full automatic work finishing machine with high-speed rotating barrel containers |
| 06/06/1990 | EP0371621A1 Lens location block |
| 06/05/1990 | US4931069 Abrasive tool with improved swarf clearance and method of making |
| 05/31/1990 | WO1990005605A1 Method and apparatus for cutting an aspheric surface on a workpiece |
| 05/31/1990 | CA2003312A1 Lens location block |
| 05/30/1990 | EP0370788A2 Method and apparatus for cutting an aspheric surface on a workpiece |
| 05/29/1990 | US4928435 Apparatus for working curved surfaces on a workpiece |
| 05/29/1990 | US4928433 Apparatus for effecting rapid replacement of lens cutting tools |
| 05/22/1990 | US4926588 Device for centering of optic lenses in a mechanical mounting, in particular during edge cutting and bevelling |
| 05/15/1990 | US4925518 Compliant lens blocks and method of using them |
| 05/15/1990 | US4924739 Method and apparatus for producing a contact lens |