DANFOSS TIANJIN LTD.

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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 740
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 7100
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 563
 
  
 
1004 OTHER MEASURING INSTRUMENTS, APPARATUS AND DEVICES333
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 260
 
  
 
B23C MILLING 132
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 165
 
  
 
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
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS173

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0187,257 MOTORDec 28, 16Jun 29, 17[H02K]
2017/0043,446 SCROLL MACHINING METHOD AND SCROLL MACHINING APPARATUSAug 15, 16Feb 16, 17[B24B, F04C, B23C]
2017/0016,438 COMPRESSOR SYSTEMJul 13, 16Jan 19, 17[F04B, F25B]
2015/0354,567 SCROLL COMPRESSORJun 09, 15Dec 10, 15[F04C]
2015/0042,200 ROTOR OF BUILT-IN PERMANENT MAGNET MOTOR AND BUILT-IN PERMANENT MAGNET MOTOR USING SAMENov 23, 12Feb 12, 15[H02K]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9759756 Circuit and method for three-phase detection, and compressorDec 14, 15Sep 12, 17[H02P, G01R]
9657975 Oil balancing apparatus and refrigeration deviceNov 22, 13May 23, 17[F16N, F01M, F04B, F25B, F04C]
9518582 Motor spacer, motor spacer applied to variable-speed compressor and compressorDec 02, 13Dec 13, 16[H02K, F04C, F01C]
D606437 Sight glass applied in refrigeration systemJan 21, 09Dec 22, 09[1004]
D606438 Sight glass applied in refrigeration systemJan 21, 09Dec 22, 09[1004]
D606439 Sight glass applied in refrigeration systemJan 21, 09Dec 22, 09[1004]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0185,197 METHOD FOR MEASURING DILUTION AND VISCOSITY OF LUBRICATING OIL, CONTROL METHOD AND CONTROL MODULE, AND REFRIGERATION AIR CONDITIONING SYSTEMAbandonedDec 23, 14Jul 02, 15[G01N, F25B]
2015/0050,175 SCROLL COMPRESSOR, AND SEALING METHOD AND SEALING ARRANGEMENT FOR MID-PRESSURE CHAMBER THEREOFAbandonedAug 13, 14Feb 19, 15[F04C]
2015/0028,237 SOLENOID VALVEAbandonedJul 11, 12Jan 29, 15[F16K]
2015/0010,412 STATOR, MOTOR AND COMPRESSORAbandonedJul 01, 14Jan 08, 15[H02K]
2015/0010,414 STATOR, THREE-PHASE INDUCTION MOTOR, AND COMPRESSORAbandonedJul 01, 14Jan 08, 15[H02K, F04C]
2013/0189,133 COMPRESSOR AND METHOD OF ASSEMBLING COMPRESSORAbandonedJan 16, 13Jul 25, 13[F04D]

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