Hydraulic energy transfer system with fluid mixing reduction
US-2025334034-A1 · Oct 30, 2025 · US
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Krish Prem patents
Krish Prem is listed as an inventor on 33 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Krish Prem |
| Total patents | 33 |
| First publication | Mar 12, 2015 |
| Latest publication | Oct 30, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Hydraulic energy transfer system with fluid mixing reduction
US-12352143-B2 · Jul 8, 2025 · US
Hydraulic energy transfer system with fluid mixing reduction
US-2023003108-A1 · Jan 5, 2023 · US
Hydraulic energy transfer system with fluid mixing reduction
US-11512567-B2 · Nov 29, 2022 · US
Frac system with hydraulic energy transfer system
US-11326430-B2 · May 10, 2022 · US
Hydraulic energy transfer system with fluid mixing reduction
US-2021140292-A1 · May 13, 2021 · US
Frac system with hydraulic energy transfer system
US-2020400000-A1 · Dec 24, 2020 · US
Frac system with hydraulic energy transfer system
US-10767457-B2 · Sep 8, 2020 · US
Rotary isobaric pressure exchanger system with lubrication system
US-10669831-B2 · Jun 2, 2020 · US
System for pump protection with a hydraulic turbocharger
US-10473095-B2 · Nov 12, 2019 · US
Recent patents
Latest publications not already listed above.
Fluid processing system
US-10323201-B2 · Jun 18, 2019 · US
Rotary isobaric pressure exchanger system with flush system
US-10167712-B2 · Jan 1, 2019 · US
Frac system with hydraulic energy transfer system
US-2018209254-A1 · Jul 26, 2018 · US
Systems and methods for lubricating bearings of rotating equipment in gas processing systems
US-10001030-B2 · Jun 19, 2018 · US
Frac system with hydraulic energy transfer system
US-9945216-B2 · Apr 17, 2018 · US
Rotary isobaric pressure exchanger system with lubrication system
US-2018087364-A1 · Mar 29, 2018 · US
System and method for a rotor advancing tool
US-9885372-B2 · Feb 6, 2018 · US
Rotary isobaric pressure exchanger system with lubrication system
US-9835018-B2 · Dec 5, 2017 · US
Rotary isobaric pressure exchanger system with flush system
US-2017335668-A1 · Nov 23, 2017 · US
Systems and methods for utilizing turbine systems within gas processing systems
US-9764272-B2 · Sep 19, 2017 · US
Rotary isobaric pressure exchanger system with flush system
US-9739128-B2 · Aug 22, 2017 · US
Isobaric pressure exchanger in amine gas processing
US-9604889-B2 · Mar 28, 2017 · US
Fluid processing system
US-2016312140-A1 · Oct 27, 2016 · US
Isobaric pressure exchanger controls in amine gas processing
US-9440895-B2 · Sep 13, 2016 · US
Systems and Method for Pump Protection with a Hydraulic Energy Transfer System
US-2016160849-A1 · Jun 9, 2016 · US
Hydraulic turbine system with auxiliary nozzles
US-2015275844-A1 · Oct 1, 2015 · US
Systems and methods for lubricating bearings of rotating equipment in gas processing systems
US-2015211384-A1 · Jul 30, 2015 · US
Rotary Isobaric Pressure Exchanger System with Lubrication System
US-2015184502-A1 · Jul 2, 2015 · US
System and method for a rotor advancing tool
US-2015184678-A1 · Jul 2, 2015 · US
Rotary Isobaric Pressure Exchanger System with Flush System
US-2015184492-A1 · Jul 2, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Energy Recovery Inc | 34 |
| Energy Recovey Inc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F04F13/00 | 25 |
| E21B43/2607 | 21 |
| E21B43/26 | 15 |
| E21B43/267 | 11 |
| E21B43/16 | 11 |