SUMITOMO (SHI) CRYOGENICS OF AMERICA, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 1256
 
  
 
B01D SEPARATION 3131
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING370
 
  
 
F02G HOT-GAS OR COMBUSTION- PRODUCT POSITIVE-DISPLaCEMENT ENGINE PLANTS 221
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 260
 
  
 
F25D REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS 244
 
  
 
A61B DIAGNOSIS; SURGERY; IDENTIFICATION 1239
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 146
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0023,849 CRYOGENIC EXPANDER WITH COLLAR BUMPER FOR REDUCED NOISE AND VIBRATION CHARACTERISTICSJul 19, 17Jan 25, 18[F25B]
2017/0175,743 COLD START HELIUM COMPRESSORDec 18, 15Jun 22, 17[F04C, F25B]
2016/0216,010 HYBRID GIFFORD-McMAHON - BRAYTON EXPANDERJan 28, 16Jul 28, 16[F25B]
2015/0226,465 CRYOGENIC ENGINE WITH ROTARY VALVEApr 22, 15Aug 13, 15[F25B, F02G]
2015/0176,867 HYBRID BRAYTON - GIFFORD-McMAHON EXPANDERDec 19, 14Jun 25, 15[F25B]
2015/0159,586 BRAYTON CYCLE ENGINEJul 26, 12Jun 11, 15[F02G]
2010/0011,784 CRYOPUMP LOUVER EXTENSIONMay 29, 09Jan 21, 10[F04B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9897350 MRI cool down apparatusJan 02, 14Feb 20, 18[A61B, F25B, G01R, F25D]
9546647 Gas balanced brayton cycle cold water vapor cryopumpJun 06, 12Jan 17, 17[F04B, F25B, B01D]
9186601 Cryopump drain and ventApr 20, 12Nov 17, 15[B01D]
9174144 Low profile cryopumpApr 20, 12Nov 03, 15[B01D]
8448461 Fast cool down cryogenic refrigeratorOct 04, 11May 28, 13[F25D]
8418479 Co-axial multi-stage pulse tube for helium recondensationJan 22, 09Apr 16, 13[F25B, B01D]
7654096 Reduced torque valve for cryogenic refrigeratorJan 20, 05Feb 02, 10[F16K, F25B]
7631505 Wearless valve for cryorefrigeratorMar 08, 05Dec 15, 09[F16K, F25B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0001,428 MULTIPLE ROTARY VALVE FOR PULSE TUBE REFRIGERATORAbandonedSep 16, 14Jan 01, 15[F16K]
7305835 Pulse tube cooling by circulation of buffer gasExpiredJan 08, 03Dec 11, 07[F25B]

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