Inventor · disambiguated record
Eli Oklejas, Jr.
Also filed as: OKLEJAS ELI · OKLEJAS JR ELI
60 granted patents·7 pending applications·1,178 citations·filing 1975–2023
99Inventor score
Files withFLUID EQUIPMENT DEV CO LLC30OKLEJAS JR ELI12VECTOR TECH LLC8OKLEJAS ROBERT A7FLUID EQUIPMENT DEV COMPANY LL3
Top patents by PatentIndex Score
67 records- 0198US10933375B1Fluid to fluid pressurizer and method of operating the sameFLUID EQUIPMENT DEV CO LLC·Filed 2020·Granted Mar 2, 2021·19 cites·43 claims
- 0296US10766009B2Slurry injection system and method for operating the sameVECTOR TECH LLC·Filed 2019·Granted Sep 8, 2020·13 cites·20 claims
- 0396US5951169AThrust bearingPUMP ENGINEERING INC·Filed 1998·Granted Sep 14, 1999·80 cites·6 claims
- 0495US10052589B2Reverse osmosis system with control based on flow rates in the permeate and brine streamsFLUID EQUIPMENT DEV CO LLC·Filed 2017·Granted Aug 21, 2018·6 cites·8 claims
- 0595US6345961B1Hydraulic energy recovery deviceFLUID EQUIPMENT DEV COMPANY·Filed 2000·Granted Feb 12, 2002·88 cites·24 claims
- 0694US6713028B1Rotating process chamber with integral pump and energy recovery turbineFLUID EQUIPMENT DEV COMPANY LL·Filed 2000·Granted Mar 30, 2004·61 cites·17 claims
- 0794US4255081ACentrifugal pumpOKLEJAS ROBERT A·Filed 1979·Granted Mar 10, 1981·79 cites·6 claims
- 0893US10703651B2Method and system for operating a high recovery separation processFLUID EQUIPMENT DEV CO LLC·Filed 2019·Granted Jul 7, 2020·4 cites·22 claims
- 0993US10161421B2Method and system for injecting a process fluid using a high pressure drive fluidOKLEJAS JR ELI·Filed 2016·Granted Dec 25, 2018·8 cites·7 claims
- 1093US8691086B2Control scheme for a reverse osmosis system using a hydraulic energy management integration systemOKLEJAS JR ELI·Filed 2011·Granted Apr 8, 2014·16 cites·28 claims
- 1193US8016545B2Thrust balancing in a centrifugal pumpFLUID EQUIPMENT DEV CO LLC·Filed 2007·Granted Sep 13, 2011·26 cites·35 claims
- 1293US5980114AThrust bearingFiled 1998·Granted Nov 9, 1999·56 cites·32 claims
- 1393US4983305APower recovery pump turbineOKLEJAS ROBERT A·Filed 1989·Granted Jan 8, 1991·87 cites·19 claims
- 1492US5049045APower recovery turbine pumpOKLEJAS ROBERT A·Filed 1990·Granted Sep 17, 1991·79 cites·30 claims
- 1591US8808538B2Batch-operated reverse osmosis systemOKLEJAS JR ELI·Filed 2008·Granted Aug 19, 2014·20 cites·17 claims
- 1691US4966708APower recovery pump turbineOKLEJAS ROBERT A·Filed 1989·Granted Oct 30, 1990·80 cites·8 claims
- 1790US10882765B2Method and system for operating a high recovery separation processFLUID EQUIPMENT DEV CO LLC·Filed 2020·Granted Jan 5, 2021·2 cites·37 claims
- 1890US9975089B2Method and system for performing a batch reverse osmosis process using a tank with a movable partitionFLUID EQUIPMENT DEV CO LLC·Filed 2017·Granted May 22, 2018·3 cites·21 claims
- 1990US6309174B1Thrust bearing for multistage centrifugal pumpsFLUID EQUIPMENT DEV COMPANY LL·Filed 1998·Granted Oct 30, 2001·99 cites·40 claims
- 2089US10336630B2Method and system for operating a high recovery separation processFLUID EQUIPMENT DEV CO LLC·Filed 2018·Granted Jul 2, 2019·3 cites·22 claims
- 2189US9808764B2Reverse osmosis system with control based on flow rates in the permeate and brine streamsOKLEJAS JR ELI·Filed 2012·Granted Nov 7, 2017·5 cites·21 claims
- 2289US7892429B2Batch-operated reverse osmosis system with manual energizationFLUID EQUIPMENT DEV CO LLC·Filed 2008·Granted Feb 22, 2011·18 cites·20 claims
- 2389US6797173B1Method and apparatus for membrane recirculation and concentrate energy recovery in a reverse osmosis systemFiled 2000·Granted Sep 28, 2004·48 cites·19 claims
- 2487US10138877B2Method and system for intensifying slurry pressureVECTOR TECH INC·Filed 2017·Granted Nov 27, 2018·6 cites·52 claims
- 2586US5106262AIdler diskOKLEJAS ROBERT A·Filed 1989·Granted Apr 21, 1992·53 cites·23 claims
- 2684US10933376B1Method and system for performing reverse osmosis with integrated pump storageFLUID EQUIPMENT DEV CO LLC·Filed 2020·Granted Mar 2, 2021·1 cites·17 claims
- 2784US9452808B1High speed watercraft stabilizationOKLEJAS JR ELI·Filed 2014·Granted Sep 27, 2016·7 cites·17 claims
- 2884US8147692B2Batch-operated reverse osmosis system with multiple membranes in a pressure vesselOKLEJAS JR ELI·Filed 2008·Granted Apr 3, 2012·10 cites·18 claims
- 2983US8128821B2Reverse osmosis system with control based on flow rates in the permeate and brine streamsOKLEJAS JR ELI·Filed 2007·Granted Mar 6, 2012·8 cites·15 claims
- 3082US4830572AIdler diskOKLEJAS JR ELI·Filed 1986·Granted May 16, 1989·44 cites·54 claims
- 3181US10710024B2Method and system for performing a batch reverse osmosis process using a tank with a movable partitionFLUID EQUIPMENT DEV CO LLC·Filed 2019·Granted Jul 14, 2020·1 cites·18 claims
- 3281US10293306B2Method and system for performing a batch reverse osmosis process using a tank with a movable partitionFLUID EQUIPMENT DEV CO LLC·Filed 2018·Granted May 21, 2019·1 cites·15 claims
- 3381US3999377ATesla-type turbine with alternating spaces on the rotor of cooling air and combustion gasesOKLEJAS ROBERT A·Filed 1975·Granted Dec 28, 1976·51 cites·4 claims
- 3479US10837465B2Elongated tank for use in injecting slurryVECTOR TECH LLC·Filed 2018·Granted Nov 17, 2020·2 cites·26 claims
- 3579US9023210B2Method and apparatus for osmotic power generationOKLEJAS JR ELI·Filed 2010·Granted May 5, 2015·4 cites·15 claims
- 3678US10155205B2Method and system for injecting slurry using concentrated slurry pressurizationVECTOR TECH LLC·Filed 2018·Granted Dec 18, 2018·2 cites·17 claims
- 3778US8529191B2Method and apparatus for lubricating a thrust bearing for a rotating machine using pumpageOKLEJAS JR ELI·Filed 2010·Granted Sep 10, 2013·4 cites·29 claims
- 3876US10766002B2Method and system for performing reverse osmosis with brine recirculation and energy recoveryFLUID EQUIPMENT DEV CO LLC·Filed 2020·Granted Sep 8, 2020·1 cites·8 claims
- 3976US5082428ACentrifugal pumpOKLEJAS ROBERT A·Filed 1990·Granted Jan 21, 1992·41 cites·37 claims
- 4074US10801512B2Thrust bearing system and method for operating the sameVECTOR TECH LLC·Filed 2018·Granted Oct 13, 2020·1 cites·23 claims
- 4172US6116851AChannel-type pumpFLUID EQUIPMENT DEV COMPANY LL·Filed 1998·Granted Sep 12, 2000·37 cites·48 claims
- 4271US11203535B2Method and system for operating a high recovery separation processFLUID EQUIPMENT DEV CO LLC·Filed 2021·Granted Dec 21, 2021·0 cites·28 claims
- 4370US11046594B2Method and system for operating a high recovery separation processFLUID EQUIPMENT DEV CO LLC·Filed 2021·Granted Jun 29, 2021·0 cites·6 claims
- 4470US8529761B2Central pumping and energy recovery in a reverse osmosis systemOKLEJAS JR ELI·Filed 2008·Granted Sep 10, 2013·3 cites·15 claims
- 4568US8231784B2Continuous process batch-operated reverse osmosis system with in-tank membranes and circulationOKLEJAS JR ELI·Filed 2010·Granted Jul 31, 2012·1 cites·32 claims
- 4668US2021178328A1Method and system for performing reverse osmosis with integrated pump storageFLUID EQUIPMENT DEV CO LLC·Filed 2021·Application pending·0 cites
- 4766US2024165564A1Integrated central vfd and multiple-turbo systemFLUID EQUIPMENT DEV CO LLC·Filed 2023·Application pending·0 cites
- 4864US10906000B2Method and system for performing reverse osmosis with brine recirculation and energy recoveryFLUID EQUIPMENT DEV CO LLC·Filed 2020·Granted Feb 2, 2021·0 cites·11 claims
- 4964US2025032987A1A System for Processing FluidsFLUID EQUIPMENT DEV CO LLC·Filed 2022·Application pending·0 cites
- 5063US11021377B1Submerged reverse osmosis system and method for operating the sameFLUID EQUIPMENT DEV CO LLC·Filed 2019·Granted Jun 1, 2021·0 cites·11 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →