Inventor · disambiguated record
Randy Loeffler
Also filed as: LOEFFLER RANDY · LOEFFLER RANDY J · LOEFFLER RANDY JACK
14 granted patents·3 pending applications·256 citations·filing 1994–2023
93Inventor score
Files withCALGON CORP5SOLVAY USA INC5ENERGY SOLUTIONS US LLC2HALLIBURTON ENERGY SERVICES INC2HALLIBURTON ENERGY SERV INC1
Top patents by PatentIndex Score
17 records- 0199US6767867B2Methods of treating subterranean zones penetrated by well boresHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Jul 27, 2004·131 cites·24 claims
- 0291US11162011B2Diluted cationic friction reducersSOLVAY USA INC·Filed 2016·Granted Nov 2, 2021·5 cites·9 claims
- 0390US6691715B2Water soluble polymer composition and method of useCALGON CORP·Filed 2002·Granted Feb 17, 2004·38 cites·5 claims
- 0488US11746277B2Diluted cationic friction reducersENERGY SOLUTIONS US LLC·Filed 2021·Granted Sep 5, 2023·1 cites·9 claims
- 0585US9695350B2Ampholyte polymeric compounds in subterranean applicationsHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Jul 4, 2017·6 cites·14 claims
- 0683US10385253B2Salt tolerant friction reducerSOLVAY USA INC·Filed 2015·Granted Aug 20, 2019·4 cites·14 claims
- 0782US7087556B2Compositions for treating subterranean zones penetrated by well boresWSP CHEMICALS & TECHNOLOGY L L·Filed 2002·Granted Aug 8, 2006·14 cites·19 claims
- 0880US11261361B2Salt tolerant friction reducerSOLVAY USA INC·Filed 2019·Granted Mar 1, 2022·1 cites·21 claims
- 0978US10711173B2Salt tolerant friction reducerSOLVAY USA INC·Filed 2017·Granted Jul 14, 2020·1 cites·16 claims
- 1077US2023332035A1Diluted cationic friction reducersENERGY SOLUTIONS US LLC·Filed 2023·Application pending·0 cites
- 1171US6414080B1Inverse emulsion polymer and production thereofCALGON CORP·Filed 1999·Granted Jul 2, 2002·28 cites·15 claims
- 1268US2019048246A1Aqueous ampholyte polymer containing solutions for subterranean applicationsSOLVAY USA INC·Filed 2018·Application pending·0 cites
- 1360US5589525AProcess for preparing novel high solids non-aqueous polymer compositionsCALGON CORP·Filed 1994·Granted Dec 31, 1996·12 cites·16 claims
- 1453US2015133347A1Aqueous ampholyte polymer containing solutions for subterranean applicationsSOLVAY USA INC NOVECARE WSP BUSINESS UNIT·Filed 2014·Application pending·0 cites
- 1551US9816022B2Ampholyte polymeric compounds in subterranean applicationsHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Nov 14, 2017·0 cites·8 claims
- 1651US5480921AProcess for preparing novel high solids non-aqueous polymer compositionsCALGON CORP·Filed 1994·Granted Jan 2, 1996·11 cites·16 claims
- 1736US6110995AProcess for preparing novel high solids non-aqueous polymer compositionsCALGON CORP·Filed 1994·Granted Aug 29, 2000·4 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →