VOLK OPTICAL, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A61B DIAGNOSIS; SURGERY; IDENTIFICATION 12228
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 6199
 
  
 
G02C SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES 247
 
  
 
C07D HETEROCYCLIC COMPOUNDS 1161

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9636012 Ophthalmic lens assemblies and methods of assembly and useSep 25, 15May 02, 17[A61B, G02B]
7946706 Lens assembly for vitreoretinal surgeryFeb 10, 06May 24, 11[A61F, G02C]
7940479 Positioners and microscopes incorporating the sameJan 08, 08May 10, 11[G02B]
7909464 Diagnostic ophthalmic lens using extra-low dispersion (ED) materialJan 26, 07Mar 22, 11[A61B]
7903331 Flexible positioner and ophthalmic microscope incorporating the sameJul 26, 07Mar 08, 11[G02B]
7499219 Optimized lens for indirect ophthalmoscopyMar 28, 06Mar 03, 09[G02B]
7338170 Lens systems for vitreoretinal surgeryOct 14, 05Mar 04, 08[A61B]
D523881 Ophthalmic lensApr 29, 05Jun 27, 06[]
RE37298 Indirect ophthalmoscopy lens retaining ringAug 14, 95Jul 31, 01[]
D438621 Indirect ophthalmoscopy lens retaining ringNov 04, 98Mar 06, 01[2401]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0250,243 RETINAL IMAGING DEVICE INCLUDING POSITION-SENSITIVE OPTICAL TRACKING SENSORAbandonedJan 30, 13Sep 26, 13[A61B]
7244026 Sterilizable ophthalmoscopy lens systemExpiredOct 20, 03Jul 17, 07[A61B]
5886812 Microscope attachmentExpiredApr 24, 97Mar 23, 99[G02B]
5857475 Optical component cleaning apparatusExpiredMar 03, 97Jan 12, 99[B08B]
5526074 Full field reinverting indirect contact ophthalmoscopeExpiredOct 31, 94Jun 11, 96[A61B]
5479222 Indirect ophthalmoscopy lens system and adapter lensesExpiredNov 15, 93Dec 26, 95[A61B]
5440458 Illuminated lens caseExpiredNov 02, 93Aug 08, 95[F21V, A45C]
5436680 Indirect ophthalmoscopy lens providing apparent image curvatureExpiredApr 20, 94Jul 25, 95[A61B]
5430506 Indirect ophthalmoscopy lens for use with slit lamp biomicroscopeExpiredOct 01, 93Jul 04, 95[A61B]
5424789 Optical device for use with a slit lamp biomicroscopeExpiredMay 28, 93Jun 13, 95[A61B]
D357319 Indirect ophthalmoscopy lens retaining ringExpiredNov 15, 93Apr 11, 95[]
5255025 Measurement apparatus for indirect ophthalmoscopyExpiredOct 15, 91Oct 19, 93[A61B]
5200773 Diagnostic indirect ophthalmoscopy contact lens systemExpiredOct 29, 90Apr 06, 93[A61B]
5173723 Aspheric ophthalmic accommodating lens design for intraocular lens and contact lensExpiredOct 02, 90Dec 22, 92[A61F, G02B, G02C]
5046836 Diagnostic indirect ophthmalmoscopy contact lens systemExpiredOct 27, 89Sep 10, 91[A61B]
4934809 Lens positioning device for indirect biomicroscopy of the eyeExpiredJun 24, 88Jun 19, 90[A61B]
4913545 Adapter for lens retaining ring for use in connection with eye examinationExpiredOct 06, 88Apr 03, 90[A61B]
4738521 Lens for indirect ophthalmoscopyExpiredOct 28, 82Apr 19, 88[A61B]
4721378 Condensing-image forming optical system for indirect ophthalmoscopyExpiredSep 24, 85Jan 26, 88[A61B, G02B]
4710193 Accommodating intraocular lens and lens series and method of lens selectionExpiredAug 18, 86Dec 01, 87[A61F]

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