Inventor · disambiguated record
Leif J. Hauge
Also filed as: HAUGE LEIF · HAUGE LEIF J
11 granted patents·1 pending application·461 citations·filing 1987–2021
92Inventor score
Files withHAUGE LEIF J4ISOBARIC STRATEGIES INC4ENERGY RECOVERY INC1ENERGY RECOVERY INTERNATIONAL1HAUGE LEIF1
Top patents by PatentIndex Score
12 records- 0195US4887942APressure exchanger for liquidsHAUGE LEIF J·Filed 1987·Granted Dec 19, 1989·99 cites·7 claims
- 0294US10125796B2Rotor positioning system in a pressure exchange vesselHAUGE LEIF J·Filed 2014·Granted Nov 13, 2018·25 cites·8 claims
- 0394US10024496B2Split pressure vessel for two flow processingISOBARIC STRATEGIES INC·Filed 2017·Granted Jul 17, 2018·13 cites·9 claims
- 0493US7306437B2Pressure exchangerHAUGE LEIF·Filed 2005·Granted Dec 11, 2007·68 cites·19 claims
- 0592US6540487B2Pressure exchanger with an anti-cavitation pressure relief system in the end coversENERGY RECOVERY INC·Filed 2001·Granted Apr 1, 2003·112 cites·18 claims
- 0688US6659731B1Pressure exchangerENERGY RECOVERY INTERNATIONAL·Filed 1998·Granted Dec 9, 2003·49 cites·5 claims
- 0787US11572899B2Pressure exchanger for hydraulic frackingISOBARIC STRATEGIES INC·Filed 2021·Granted Feb 7, 2023·2 cites·11 claims
- 0882US5988993APressure exchanger having a rotor with automatic axial alignmentFiled 1995·Granted Nov 23, 1999·48 cites·9 claims
- 0980US5338158APressure exchanger having axially inclined rotor ductsHAUGE LEIF J·Filed 1990·Granted Aug 16, 1994·45 cites·8 claims
- 1060US2013334223A1Split pressure vessel for two flow processingHAUGE LEIF J·Filed 2012·Application pending·0 cites
- 1151US12085094B2Pressure exchanger with flow divider in rotor ductISOBARIC STRATEGIES INC·Filed 2021·Granted Sep 10, 2024·0 cites·20 claims
- 1247US12247588B2Pressure exchanger for gas processingISOBARIC STRATEGIES INC·Filed 2021·Granted Mar 11, 2025·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →