Micromeritics Instrument Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 3203

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6091492 Apparatus and method for determining the size distribution of particles by light scatteringSep 25, 96Jul 18, 00[G01N]
5576827 Apparatus and method for determining the size distribution of particles by light scatteringApr 15, 94Nov 19, 96[G01N]
5133219 Dynamically balanced, differential gas adsorption appartausFeb 28, 91Jul 28, 92[G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5849064 System and method for evenly suspending and circulating particles in a liquidExpiredApr 14, 97Dec 15, 98[B01D]
5760293 Method and apparatus for measuring envelope and bulk densitiesExpiredOct 17, 96Jun 02, 98[G01N, G01F]
5608157 Method and apparatus for measuring envelope densityExpiredOct 18, 95Mar 04, 97[G01N, G01F]
5247461 Method and apparatus for coincidence correction in electrozone particle sensingExpiredJul 30, 91Sep 21, 93[G01N, G06F]
5247558 X-ray particle size analyzerExpiredOct 26, 88Sep 21, 93[G01N]
D323631 Cabinet for dual particle and cell analysis or similar articleExpiredNov 13, 89Feb 04, 92[]
5074146 Gas comparison pycnometerExpiredNov 17, 89Dec 24, 91[G01N]
RE33567 Temperature controlling apparatus for use with pore volume and surface area analyzersExpiredOct 21, 88Apr 09, 91[G01N, B01L, F25D]
4972730 System for dosing and determining saturation pressure in a volumetric sorption analyzerExpiredMar 16, 89Nov 27, 90[G01N]
4920810 Sample warming device for surface area analyzerExpiredFeb 19, 88May 01, 90[G01N]
4920550 X-ray particle size analyzerExpiredNov 25, 87Apr 24, 90[G01N]
4873915 Beverage preparing machinesExpiredMar 15, 89Oct 17, 89[A47J]
4872353 Automatic sample feeder for suspended samplesExpiredFeb 19, 88Oct 10, 89[G01N]
4853551 Safety interlock for x-ray particle size analyzerExpiredOct 30, 87Aug 01, 89[H05G]
4693124 Temperature controlling apparatus for use with pore volume and surface area analyzersExpiredFeb 25, 86Sep 15, 87[G01N]
D289550 Cabinet for particle and cell analysis apparatus or similar articleExpiredOct 10, 84Apr 28, 87[]
4471297 Multi-sample particle analysis apparatus and methodExpiredSep 27, 82Sep 11, 84[G01N]
4434398 Porous passage means and method for particle analyzing systemsExpiredMay 15, 81Feb 28, 84[G01N]
4367041 Chromatograph detection systemExpiredAug 25, 80Jan 04, 83[G01N]
4290011 Particle length and volume comeasurement with controlled orientationExpiredMay 18, 78Sep 15, 81[G01N]

Top Inventors for This Owner

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