Inventor · disambiguated record
Jan Pieter Vijn
Also filed as: VIJN JAN P · VIJN JAN PIETER
23 granted patents·3 pending applications·1,397 citations·filing 1995–2019
97Inventor score
Files withHALLIBURTON ENERGY SERV INC18DEGUSSA CONSTRUCTION POLYMERS1ECOLAB USA INC1HALLIBURTON CO1HALLIBURTON ENERGY SERVICES INC1
Top patents by PatentIndex Score
26 records- 0198US6776237B2Lightweight well cement compositions and methodsHALLIBURTON ENERGY SERV INC·Filed 2003·Granted Aug 17, 2004·148 cites·44 claims
- 0297US6814798B2Storable water-microsphere suspensions for use in well cements and methodsHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Nov 9, 2004·85 cites·20 claims
- 0397US6562122B2Lightweight well cement compositions and methodsHALLIBURTON ENERGY SERV INC·Filed 2002·Granted May 13, 2003·159 cites·20 claims
- 0496US6405801B1Environmentally acceptable well cement fluid loss control additives, compositions and methodsHALLIBURTON ENERGY SERV INC·Filed 2000·Granted Jun 18, 2002·73 cites·9 claims
- 0596US5588488ACementing multi-lateral wellsHALLIBURTON CO·Filed 1995·Granted Dec 31, 1996·360 cites·20 claims
- 0695US6644405B2Storable water-microsphere suspensions for use in well cements and methodsHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Nov 11, 2003·56 cites·15 claims
- 0795US6631766B2Methods, well cement compositions and lightweight additives thereforHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Oct 14, 2003·71 cites·28 claims
- 0895US6610140B2Delayed thixotropic cement compositions and methodsHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Aug 26, 2003·60 cites·27 claims
- 0995US6182758B1Dispersant and fluid loss control additives for well cements, well cement compositions and methodsHALLIBURTON ENERGY SERV INC·Filed 1999·Granted Feb 6, 2001·105 cites·11 claims
- 1093US6457523B1Delayed thixotropic cement compositions and methodsHALLIBURTON ENERGY SERV INC·Filed 2000·Granted Oct 1, 2002·52 cites·11 claims
- 1191US6978835B1Methods of cementing in subterranean formationsHALLIBURTON ENERGY SERV INC·Filed 2004·Granted Dec 27, 2005·43 cites·90 claims
- 1290US6811603B2Methods, well cement compositions and lightweight additives thereforHALLIBURTON ENERGY SERV INC·Filed 2003·Granted Nov 2, 2004·58 cites·20 claims
- 1387US6626992B2Environmentally acceptable well cement fluid loss control additives, compositions, and methodsHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Sep 30, 2003·31 cites·22 claims
- 1486US6936574B2Process for controlling gas migration during well cementingHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Aug 30, 2005·27 cites·26 claims
- 1583US6730636B2Environmentally acceptable well cement fluid loss control additives, compositions and methodsHALLIBURTON ENERGY SERV INC·Filed 2002·Granted May 4, 2004·17 cites·14 claims
- 1676US7238733B2Storable water-silica suspensions and methodsHALLIBURTON ENERGY SERV INC·Filed 2004·Granted Jul 3, 2007·13 cites·25 claims
- 1776US6953090B2Cementing subterranean zones using cement compositions containing biodegradable dispersantsDEGUSSA CONSTRUCTION POLYMERS·Filed 2003·Granted Oct 11, 2005·16 cites·19 claims
- 1871US6591909B1Whey protein retarderHALLIBURTON ENERGY SERV INC·Filed 2001·Granted Jul 15, 2003·11 cites·27 claims
- 1970US6800128B2Whey protein retarderHALLIBURTON ENERGY SERV INC·Filed 2003·Granted Oct 5, 2004·10 cites·28 claims
- 2068US7060129B2Process for controlling gas migration during well cementingHALLIBURTON ENERGY SERV INC·Filed 2005·Granted Jun 13, 2006·2 cites·19 claims
- 2148US11447681B2Aqueous silica dispersionHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Sep 20, 2022·0 cites·16 claims
- 2246US2005011412A1Storable water-microsphere suspensions for use in well cements and methodsFiled 2004·Application pending·0 cites
- 2344US9587155B2Emulsion breakers including polyester functionalitiesECOLAB USA INC·Filed 2013·Granted Mar 7, 2017·0 cites·19 claims
- 2440US2003230407A1Cementing subterranean zones using cement compositions containing biodegradable dispersantsFiled 2002·Application pending·0 cites
- 2536US2003181542A1Storable water-silica suspensions and methodsFiled 2002·Application pending·0 cites
- 2633US9567509B2Low dosage polymeric naphthenate inhibitorsVIJN JAN P·Filed 2012·Granted Feb 14, 2017·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →