CONCENTRIC BIRMINGHAM LIMITED

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS272
 
  
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 128
 
  
 
F01M LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL-COMBUSTION ENGINES; CRANKCASE VENTILATING 132
 
  
 
F01P COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES 139
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 146
 
  
 
F16H GEARING199
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0152,788 Internal Combustion Engine Coolant ApparatusNov 18, 16Jun 01, 17[F01P, F04D, F16H]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9752572 Variable flow hydraulic machineSep 05, 14Sep 05, 17[F04C, F01C]
9028228 PumpMar 25, 11May 12, 15[F04D]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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