CHRISTIANSON SYSTEMS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B60B VEHICLE WHEELS 527
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 586
 
  
 
B63H MARINE PROPULSION OR STEERING 139
 
  
 
B64C AEROPLANES; HELICOPTERS 173
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 164

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0334,242 FREEWHEEL HUBMay 30, 17Nov 23, 17[B60B, F16D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9662938 Freewheel hubJul 14, 15May 30, 17[B60B, F16D]
9102197 Freewheel hubFeb 11, 13Aug 11, 15[B60B, F16D]
8313300 Rotor for centrifugal compressorJun 05, 08Nov 20, 12[B63H, F03D, B64C, F01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5335820 Container and dispenser system for flowable solidsExpiredFeb 26, 93Aug 09, 94[B65D]
5322098 Apparatus and method for conveyance of flowable solid materialsExpiredMar 03, 93Jun 21, 94[B67C]
5163786 Cyclone separator with filter assembly for pneumatic conveyorExpiredJul 06, 91Nov 17, 92[B65G]
4913597 Silencer for pneumatic grain conveyorExpiredAug 12, 87Apr 03, 90[B65G]
4887936 Cyclone separator with accelerator plate for pneumatic conveyorExpiredAug 12, 87Dec 19, 89[B65G, B60P]
4846605 Pneumatic grain conveyor with universal frameExpiredAug 12, 87Jul 11, 89[B65G, B60P]
4433946 Discharge system for grain handling apparatusExpiredJul 21, 81Feb 28, 84[B65G]
D271105 Bulk material handling apparatusExpiredJul 21, 81Oct 25, 83[D150]

Top Inventors for This Owner

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