WORLD PRECISION INSTRUMENTS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 3202
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5570447 Aqueous fluid core waveguideAug 17, 95Oct 29, 96[G02B]
5444807 Micro chemical analysis employing flow through detectorsMay 13, 94Aug 22, 95[G02B]
5416879 Apparatus and method for measuring light absorption in small aqueous fluid samplesDec 17, 93May 16, 95[G02B]
5294325 Miniaturized fluid conveying device and methods of use thereofJul 09, 92Mar 15, 94[G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0184,052 Isolation and Analysis of Thiol Protein Matter Using Gold Nano-ParticlesAbandonedSep 28, 10Jul 19, 12[G01N]
2012/0073,988 Sensor for Measurement of Hydrogen SulfideAbandonedDec 07, 11Mar 29, 12[G01N]
2008/0174,768 Self referencing LED detection system for spectroscopy applicationsAbandonedJan 18, 08Jul 24, 08[G01N]
2008/0164,156 Enzymatic method for detecting a sulfur containing amino acid using an electrochemical sensorAbandonedJan 02, 08Jul 10, 08[G01N]
6749834 Methods and apparatus for therapeutic treatment of respiratory, cardiac and other pathologiesExpiredJun 19, 01Jun 15, 04[A61L]
6104485 Method and apparatus for optical measurement of very small fluid samplesExpiredOct 07, 98Aug 15, 00[G01N]
6016372 Chemical sensing techniques employing liquid-core optical fibersExpiredApr 06, 98Jan 18, 00[G02B]
5980036 Eyeglass devices with removable auxiliary lenses or framesExpiredJun 30, 98Nov 09, 99[G02C]
5827420 Method and apparatus for the generation of nitric oxideExpiredJul 29, 97Oct 27, 98[C25D, C25B]
5636303 Filterless chromatically variable light sourceExpiredDec 18, 95Jun 03, 97[G02B]
5604587 Long capillary waveguide raman cellExpiredNov 16, 95Feb 18, 97[G01N]
5454491 Non-metallic precision fluid transfer devicesExpiredAug 30, 93Oct 03, 95[B67D]
4912060 Method and apparatus for electrical testing of membranesExpiredFeb 17, 89Mar 27, 90[C12M]

Top Inventors for This Owner

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