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VOLK OPTICAL INC

Overview
  • Total Patents
    42
  • GoodIP Patent Rank
    199,374
About

VOLK OPTICAL INC has a total of 42 patent applications. Its first patent ever was published in 1983. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets medical technology, optics and materials and metallurgy are SUZHOU SIHAITONG INSTR CO LTD, SMITH RONALD T and HEIDELBERG ENGINEERING GMBH.

Patent filings in countries

World map showing VOLK OPTICAL INCs patent filings in countries

Patent filings per year

Chart showing VOLK OPTICAL INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Volk Donald A 18
#2 Cech Steven D 16
#3 Kotnik Gerald 4
#4 Pysarchuk John 4
#5 Chalam Kakarla V 3
#6 Edwards Timothy D 3
#7 Volk David 2
#8 Mcginnis Sean P 2
#9 Volk Optical Inc 2
#10 Mueller Richard M 2

Latest patents

Publication Filing date Title
WO2016049438A1 Ophthalmic lens assemblies and methods of assembly and use
WO2013086075A1 Retinal imaging device including position-sensitive optical tracking sensor
US2008239524A1 Positioners and microscopes incorporating the same
US2008013188A1 Flexible positioner and ophthalmic microscope incorporating the same
US2007171371A1 Diagnostic ophthalmic lens using extra-low dispersion (ED) material
US2007091256A1 Optimized lens for indirect ophthalmoscopy
US2007188699A1 Lens assembly for vitreoretinal surgery
US2006244914A1 Lens systems for vitreoretinal surgery
US7244026B1 Sterilizable ophthalmoscopy lens system
AU7132501A Aspheric iridectomy/iridotomy treatment lens
WO9920171A1 Lens arrangement for vitreoretinal surgery
US5963301A Lense arrangement for vitreoretinal surgery
WO9820378A1 Image reinverter for stereo microscope
WO9817170A1 Ophthalmoscopic viewing system
US5886812A Microscope attachment
US5857475A Optical component cleaning apparatus
US5757464A Indirect ophthalmoscopy contact lens device with compound contact lens element
US5805269A High magnification indirect ophthalmoscopy lens device
US5523810A Indirect ophthalmoscopy contact lens device with compound contact lens element