AIR SQUARED, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 821
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 740
 
  
 
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS 321
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 266
 
  
 
A24F SMOKERS' REQUISITES; MATCH BOXES 133
 
  
 
F01K STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES 127

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9885358 Three stage scroll vacuum pumpFeb 27, 15Feb 06, 18[F04C, F03C, F01C]
9784139 Compact energy cycle construction utilizing some combination of a scroll type expander, pump, and compressor for operating according to a rankine, an organic rankine, heat pump, or combined organic rankine and heat pump cycleSep 22, 15Oct 10, 17[F01K, F04C, F25B, F01C]
9074598 Scroll type device including compressor and expander functions in a single scroll plate pairJul 30, 12Jul 07, 15[F04C, F25B, F01C]
9028230 Three stage scroll vacuum pumpJul 30, 13May 12, 15[F04C, F03C, F01C]
8668479 Semi-hermetic scroll compressors, vacuum pumps, and expandersDec 29, 10Mar 11, 14[F01C]
8523544 Three stage scroll vacuum pumpApr 11, 11Sep 03, 13[F04C, F03C, F01C]
7942655 Advanced scroll compressor, vacuum pump, and expanderFeb 06, 07May 17, 11[F01C]
7926734 Prescented and custom scented card insertJan 22, 09Apr 19, 11[A24F]
6511308 Scroll vacuum pump with improved performanceJan 02, 01Jan 28, 03[F01C]
6439864 Two stage scroll vacuum pump with improved pressure ratio and performanceNov 20, 00Aug 27, 02[F04C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0232,975 Compact energy cycle construction utilizing some combination of a scroll type expander, pump, and compressor for operating according to a rankine, an organic rankine, heat pump, or combined organic rankine and heat pump cycleAbandonedApr 23, 13Sep 12, 13[F01K]
6129530 Scroll compressor with a two-piece idler shaft and two piece scroll platesExpiredSep 28, 98Oct 10, 00[F04C]
5752816 Scroll fluid displacement apparatus with improved sealing meansExpiredOct 10, 96May 19, 98[F01C]

Top Inventors for This Owner

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