The Western States Machine Company

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 4130
 
  
 
B04B CENTRIFUGES 423
 
  
 
G01H MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES 120

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8721793 Continuous centrifuge feed pipe mixing systemApr 04, 11May 13, 14[B04B]
8647505 Screen clamp with integrated center feedJun 24, 11Feb 11, 14[B04B]
8182409 Centrifuge comprising magnetically coupled rotating basketSep 09, 08May 22, 12[B04B]
8038870 Centrifuges with rotating feed pipesSep 09, 08Oct 18, 11[B01D]
6296774 Centrifuge load control for automatic infeed gate adjustmentJan 13, 00Oct 02, 01[B01D]
5897786 Method and apparatus for determining thickness of a charge wall being formed in a centrifugal machineMar 24, 97Apr 27, 99[G01H, B01D]
5254241 Loading control system for a cyclical centrifugal machine which adjusts pinch positionAug 12, 92Oct 19, 93[B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7588631 Vacuum deaeratorExpiredFeb 15, 06Sep 15, 09[B01D]
6507161 Centrifuge motor controlExpiredMar 30, 01Jan 14, 03[H02P]
4522718 Mechanism for latching an axially displaceable rotary part to a concentric rotary partExpiredJun 17, 82Jun 11, 85[B01D]
4362619 Continuous centrifugal machineExpiredJan 21, 80Dec 07, 82[B04B]
4318814 Continuous centrifugal machineExpiredJan 21, 80Mar 09, 82[B01D]
4244823 Centrifugal basket valve mechanismExpiredAug 17, 78Jan 13, 81[B01D]
4229298 Method and apparatus for determining the thickness of a charge wall formed in a centrifugal basketExpiredFeb 05, 79Oct 21, 80[B01D]
4223829 Cyclical centrifugal machineExpiredJan 02, 79Sep 23, 80[B04B]
4224165 Cyclical centrifugal machineExpiredDec 14, 78Sep 23, 80[B01D]
4203570 Power-operated loading gate for centrifugal machines incorporating an auxiliary drive deviceExpiredAug 23, 78May 20, 80[F16K]
4202078 DepitherExpiredSep 19, 77May 13, 80[B02C, D01B]

Top Inventors for This Owner

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