Inventor · disambiguated record
Joseph H. Y. Niu
Also filed as: NIU JOSEPH · NIU JOSEPH H Y
19 granted patents·4 pending applications·987 citations·filing 1979–2013
96Inventor score
Files withBETZ LABORATORIES8RHODIA5SCHLUMBERGER TECHNOLOGY CORP3BASF WYANDOTTE CORP2DAHAYANAKE MANILAL S2
Top patents by PatentIndex Score
23 records- 0198US6482866B1Viscoelastic surfactant fluids and related methods of useSCHLUMBERGER TECHNOLOGY CORP·Filed 2000·Granted Nov 19, 2002·192 cites·21 claims
- 0298US6258859B1Viscoelastic surfactant fluids and related methods of useRHODIA·Filed 1998·Granted Jul 10, 2001·391 cites·5 claims
- 0397US6831108B2Viscoelastic surfactant fluids and related methods of useRHODIA·Filed 2001·Granted Dec 14, 2004·111 cites·3 claims
- 0494US7238648B2Viscoelastic surfactant fluids and related methods of useSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Jul 3, 2007·40 cites·31 claims
- 0590US4430196AMethod and composition for neutralizing acidic components in petroleum refining unitsBETZ LABORATORIES·Filed 1983·Granted Feb 7, 1984·43 cites·19 claims
- 0681US4883580AMethods for deactivating iron in hydrocarbon fluidsBETZ LABORATORIES·Filed 1989·Granted Nov 28, 1989·16 cites·9 claims
- 0780US9249351B2Viscoelastic surfactant fluids and related methods of useDAHAYANAKE MANILAL S·Filed 2010·Granted Feb 2, 2016·3 cites·9 claims
- 0880US4847415AMethods and composition for deactivating iron in hydrocarbon fluidsBETZ LABORATORIES·Filed 1988·Granted Jul 11, 1989·15 cites·11 claims
- 0975US2008200353A1Viscoelastic surfactant fluids and related methods of useRHODIA·Filed 2008·Application pending·0 cites
- 1073US4490275AMethod and composition for neutralizing acidic components in petroleum refining unitsBETZ LABORATORIES·Filed 1983·Granted Dec 25, 1984·20 cites·3 claims
- 1171US5560873AMild cold pearlizing concentratesFiled 1994·Granted Oct 1, 1996·38 cites·1 claims
- 1266US4749468AMethods for deactivating copper in hydrocarbon fluidsBETZ LABORATORIES·Filed 1986·Granted Jun 7, 1988·21 cites·20 claims
- 1363US4288232AEster containing fuel compositionBASF WYANDOTTE CORP·Filed 1979·Granted Sep 8, 1981·14 cites·11 claims
- 1462US4276054ACoal-oil slurries containing a surfactantBASF WYANDOTTE CORP·Filed 1979·Granted Jun 30, 1981·14 cites·10 claims
- 1559US2007249505A1Viscoelastic Surfactant Fluids and Related Methods of UseDAHAYANAKE MANILAL S·Filed 2007·Application pending·0 cites
- 1658US4894139AMethods for deactivating copper in hydrocarbon fluidsBETZ LABORATORIES·Filed 1988·Granted Jan 16, 1990·15 cites·18 claims
- 1758US2013327531A1Viscoelastic Surfactant Fluids and Related Methods of UseSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Application pending·0 cites
- 1857US4810354ABifunctional antifoulant compositions and methodsBETZ LABORATORIES·Filed 1986·Granted Mar 7, 1989·17 cites·16 claims
- 1954US5162417AGelled acidizer compositionISP INVESTMENTS INC·Filed 1991·Granted Nov 10, 1992·9 cites·7 claims
- 2052US5019341AMethod of inhibiting corrosion of metal surfaces in contact with a corrosive hydrocarbon containing mediumBETZ LABORATORIES·Filed 1986·Granted May 28, 1991·9 cites·11 claims
- 2152US2004176478A1Viscoelastic surfactant fluids and related methods of useRHODIA·Filed 2004·Application pending·0 cites
- 2248US4637822ACoal-oil slurries containing a surfactantBASF CORP·Filed 1981·Granted Jan 20, 1987·10 cites·10 claims
- 2346US5925604AMild cold pearlizing concentratesRHODIA·Filed 1996·Granted Jul 20, 1999·9 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →