Inventor · disambiguated record
Qiu Zheng
Also filed as: ZHENG QIU SHI
4 granted patents·3 pending applications·116 citations·filing 2000–2006
78Inventor score
Files withFMC TECHNOLOGIES4
Top patents by PatentIndex Score
7 records- 0180US6510895B1Energized sealing cartridge for annulus sealing between tubular well componentsFMC TECHNOLOGIES·Filed 2000·Granted Jan 28, 2003·63 cites·20 claims
- 0271US6869079B2Stackable metallic seal and method of using sameFMC TECHNOLOGIES·Filed 2003·Granted Mar 22, 2005·45 cites·30 claims
- 0366US7249750B2Pressure balanced fluid control deviceFMC TECHNOLOGIES·Filed 2006·Granted Jul 31, 2007·4 cites·35 claims
- 0447US7066444B2Pressure balanced fluid control deviceFMC TECHNOLOGIES·Filed 2004·Granted Jun 27, 2006·4 cites·46 claims
- 0536US2003155721A1Metal-to-metal seal and method of making sameFiled 2003·Application pending·0 cites
- 0635US2004094898A1Apparatus and method for inhibiting a flow of fluid through an interface between two joint membersFiled 2002·Application pending·0 cites
- 0729US2003080516A1Fluid seal and method of using sameFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →