Assignee
SONG YONGSHENG
US·4 granted patents·2 pending applications·11 citations·filing 2005–2011
Top patents by PatentIndex Score
6 records- 0169US9039898B2Method for separating components in natural oilSONG YONGSHENG·Filed 2011·Granted May 26, 2015·3 cites·31 claims
- 0259US8210500B2Seat ringSONG YONGSHENG·Filed 2006·Granted Jul 3, 2012·3 cites·4 claims
- 0359US8205860B2Valve with a structure for mitigating abrasive wear or galling of sealing surfaces between a seat ring and a closure member during their relative sliding contact with each otherSONG YONGSHENG·Filed 2006·Granted Jun 26, 2012·3 cites·8 claims
- 0455US8556226B2Valve with the device enhancing capability of its closure member and related seat ring to resist erosionSONG YONGSHENG·Filed 2006·Granted Oct 15, 2013·2 cites·11 claims
- 0541US2007082920A1NAD+-dependent DNA ligase inhibitorsSONG YONGSHENG·Filed 2005·Application pending·0 cites
- 0641US2008251750A1Valve for Fluids Containing Solid Particles or Liquid DropsSONG YONGSHENG·Filed 2005·Application pending·0 cites
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