Danfoss Commercial Compressors

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 839
 
  
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 623
 
  
 
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS 519
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 260
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 167

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9309888 Valve arrangement for a scroll refrigeration compressorMay 16, 11Apr 12, 16[F16K, F04B, F04C, F01C]
9207005 Device for separating lubricant from a lubricant-refrigerating gas mixture discharged from at least one refrigerant compressorFeb 22, 10Dec 08, 15[F25B]
9103341 Scroll refrigeration compressor with improved retaining means and bypass valvesNov 29, 11Aug 11, 15[F04C, F03C]
9080567 Scroll compressorApr 16, 13Jul 14, 15[F04C, F01C]
9033689 Scroll refrigeration compressor including heat shield, bypass passage, and bypass valveNov 28, 11May 19, 15[F04C, F03C]
9017050 Scroll refrigeration compressor with anti-return deviceNov 28, 11Apr 28, 15[F04C, F03C, F01C]
8864479 Multi-stage scroll machineJun 29, 10Oct 21, 14[F04C, F03C, F01C]
8794940 Scroll-type refrigerator compressorDec 14, 09Aug 05, 14[F04C, F03C, F01C]
8449276 Variable-speed scroll-type refrigeration compressorMay 23, 08May 28, 13[F04C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8512015 Piston refrigeration compressorExpiredFeb 24, 10Aug 20, 13[F04B]
2013/0177,404 COMPRESSION DEVICE, AND A THERMODYNAMIC SYSTEM COMPRISING SUCH A COMPRESSION DEVICEAbandonedJan 02, 13Jul 11, 13[F04D]
2010/0290,926 CYLINDER HEAD FOR PISTON REFRIGERATION COMPRESSOR, COMPRESSION UNIT INCLUDING SUCH CYLINDER HEAD, AND PISTON REFRIGERATION COMPRESSOR INCLUDING SAID COMPRESSION UNITAbandonedDec 16, 08Nov 18, 10[F04B]

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