NIPPON TANSAN GAS CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B67B APPLYING CLOSURE MEMBERS TO BOTTLES, JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS 113
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5234015 Gas supply mechanism with safety deviceApr 21, 92Aug 10, 93[F16K, B67B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0147,413 DEVICE FOR INJECTING MIXED GAS TO WHICH LIQUID IS ADDEDAbandonedJun 23, 09Jun 23, 11[B67D]
2005/0269,351 Method and mechanism to seal a vessel for a highly pressurized combustion-supportable or flammable gasAbandonedMay 12, 05Dec 08, 05[B67B, G01F, B67D]
2004/0226,835 Sealing mechanism for a vessel wherein materials are isolated and stored and method to seal the vesselAbandonedApr 15, 04Nov 18, 04[B65D]
2004/0159,562 Cap having a chamber for a raw material and sealing mechanism for a vesselAbandonedFeb 10, 04Aug 19, 04[B65D]
5758828 Carbonated shower apparatusExpiredDec 19, 95Jun 02, 98[A62C]
5485936 Sealing plate with a filter for a high pressure liquified gas cartridge having a syphon tubeExpiredJun 08, 94Jan 23, 96[B65D]
5100014 Oxygen gas cartridgeExpiredAug 07, 90Mar 31, 92[B65D]
4938211 Breathing apparatusExpiredOct 12, 88Jul 03, 90[A62B]
4923394 Portable torchExpiredNov 18, 87May 08, 90[F23D]
4832224 High pressure gas cartridges with a double safety deviceExpiredMay 23, 86May 23, 89[F17B]
4694850 Gas supply mechanismExpiredOct 07, 86Sep 22, 87[F16K, B67B]

Top Inventors for This Owner

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