RichStone Limited

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 326
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 245
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 1106

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8784084 Rotary cam ring fluid machineNov 24, 12Jul 22, 14[F04C, F01C]
8371834 Anti-self rotation mechanism of a scroll fluid machineJun 02, 09Feb 12, 13[F04C, F01C]
6548927 Eccentric orbiting type driving apparatusAug 20, 01Apr 15, 03[H02K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0170,009 Scroll Liquid PumpAbandonedNov 23, 13Jun 19, 14[F04C]
8585383 Scroll fluid machineExpiredNov 05, 10Nov 19, 13[F01M, F01C]
2013/0236,344 Scroll fluid machineAbandonedMar 09, 12Sep 12, 13[F01C]
2011/0300,013 Scroll fluid machineAbandonedJun 21, 11Dec 08, 11[F01C]
2011/0103,991 Scroll fluid machineAbandonedJan 14, 11May 05, 11[F01C]
2010/0032,086 Decoration Method of CeramicsAbandonedDec 09, 05Feb 11, 10[B32B]
6942399 Optical fiber coupler reinforcing member and optical fiber couplerExpiredJun 26, 03Sep 13, 05[G02B]
6779931 Optical fiber connecting element and alignment sleeveExpiredNov 04, 02Aug 24, 04[G02B]

Top Inventors for This Owner

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