NIPPO LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8608455 Fluid rotary machineJul 19, 11Dec 17, 13[F04B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2002/0005,325 One-way clutchesAbandonedMay 25, 01Jan 17, 02[F16D]
5970698 Rotary spinning ring structureExpiredNov 13, 97Oct 26, 99[D01H]
5918454 Spinning ring structure with an aerodynamic brake memberExpiredJul 01, 97Jul 06, 99[D01H]
5881546 Spinning ringExpiredMay 16, 96Mar 16, 99[D01H]
5829239 Spinning ring structureExpiredMay 14, 97Nov 03, 98[D01H]
5819519 Spinning ringExpiredAug 27, 97Oct 13, 98[D01H]

Top Inventors for This Owner

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