Inventor · disambiguated record
Stephen F. Crain
Also filed as: CRAIN STEPHEN · CRAIN STEPHEN F · CRAIN STEPHEN FRANKLIN
16 granted patents·1 pending application·1,670 citations·filing 1980–2013
96Inventor score
Top patents by PatentIndex Score
17 records- 0197US7858888B2Methods and systems for metering and monitoring material usageHALLIBURTON ENERGY SERV INC·Filed 2007·Granted Dec 28, 2010·91 cites·16 claims
- 0297US5570743AContinuous multi-component slurrying process at oil or gas wellHALLIBURTON CO·Filed 1996·Granted Nov 5, 1996·171 cites·19 claims
- 0396US7563076B2Variable rate pumping systemHALLIBURTON ENERGY SERV INC·Filed 2004·Granted Jul 21, 2009·274 cites·22 claims
- 0496US5452954AControl method for a multi-component slurrying processHALLIBURTON CO·Filed 1993·Granted Sep 26, 1995·140 cites·17 claims
- 0596US4265266AControlled additive metering systemHALLIBURTON CO·Filed 1980·Granted May 5, 1981·284 cites·55 claims
- 0695US7735365B2Safe and accurate method of chemical inventory management on locationHALLIBURTON ENERGY SERV INC·Filed 2007·Granted Jun 15, 2010·32 cites·18 claims
- 0795US4538222AApparatus and method for mixing a plurality of substancesHALLIBURTON CO·Filed 1983·Granted Aug 27, 1985·103 cites·14 claims
- 0894US4353482AAdditive metering control systemHALLIBURTON CO·Filed 1980·Granted Oct 12, 1982·144 cites·37 claims
- 0992US4538221AApparatus and method for mixing a plurality of substancesHALLIBURTON CO·Filed 1983·Granted Aug 27, 1985·95 cites·10 claims
- 1090US4916631AProcess control system using remote computer and local site control computers for mixing a proppant with a fluidHALLIBURTON CO·Filed 1986·Granted Apr 10, 1990·82 cites·3 claims
- 1189US4751648ALocal area network data transfer systemHALLIBURTON CO·Filed 1986·Granted Jun 14, 1988·104 cites·11 claims
- 1280US5522459AContinuous multi-component slurrying process at oil or gas wellHALLIBURTON CO·Filed 1993·Granted Jun 4, 1996·36 cites·3 claims
- 1377US4953097AProcess control system using remote computer and local site control computers for mixing a proppant with a fluidHALLIBURTON CO·Filed 1989·Granted Aug 28, 1990·38 cites·3 claims
- 1477US4747060AData acquisition module and methodHALLIBURTON CO·Filed 1986·Granted May 24, 1988·39 cites·17 claims
- 1576US5014218AUsing a remote control computer connected to a vocal control computer and a monitor computerHALLIBURTON CO·Filed 1989·Granted May 7, 1991·37 cites·2 claims
- 1659US2009252616A1Variable Rate Pumping SystemHALLIBURTON ENERGY SERV INC·Filed 2009·Application pending·0 cites
- 1747US10174607B2Automatically tracking utilization of wellbore servicing equipmentHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Jan 8, 2019·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →