THE HYMATIC ENGINEERING COMPANY LIMITED

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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 464
 
  
 
F17C VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES 126

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2014/0230,457 PULSE TUBE REFRIGERATOR/CRYOCOOLER APPARATUSFeb 17, 14Aug 21, 14[F25B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9909787 Pulse tube refrigerator/cryocooler apparatusFeb 17, 14Mar 06, 18[F25B]
9506673 ContainerJan 08, 14Nov 29, 16[F17C, F25B]
RE34748 Cryogenic cooling apparatusNov 05, 93Oct 04, 94[F25B]
5181386 Cryogenic cooling apparatusAug 07, 91Jan 26, 93[F25B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8049375 Electromagnetic transducer apparatusExpiredMar 14, 07Nov 01, 11[H02K]
4570457 Cryogenic cooling apparatusExpiredJan 07, 85Feb 18, 86[F25B]
4373357 Cryogenic cooling apparatusExpiredOct 08, 81Feb 15, 83[F25B]
4260339 Turbo compressorExpiredMar 20, 79Apr 07, 81[F04B]

Top Inventors for This Owner

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