Hamai Industries Limited

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7357153 Pressure-reducing valve for high-pressure gas cylindersNov 24, 04Apr 15, 08[G05D]
6367499 Safety valveJan 11, 01Apr 09, 02[F16K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0029,811 RUBBER COMPOSITION AND A SEALING MEMBER USING THEREOFAbandonedJul 24, 09Feb 04, 10[C08K]
7225810 Valve for use in high pressure gas containersExpiredMay 02, 02Jun 05, 07[A62B]
6910602 Container valveExpiredNov 26, 02Jun 28, 05[B65D, B67D]
6685164 Control valve and diaphragm for use in the control valveExpiredSep 11, 00Feb 03, 04[F16K]

Top Inventors for This Owner

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