ENERGY RECOVERY, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 1383
 
  
 
F04F PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED 105
 
  
 
B01D SEPARATION 9125
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 837
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 758
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 664
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 557
 
  
 
C10L FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUEFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS 438
 
  
 
F03B MACHINES OR ENGINES FOR LIQUIDS 321
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS371

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0051,762 PRESSURE EXCHANGE SYSTEM WITH MOTOR SYSTEM AND PRESSURE COMPENSATION SYSTEMAug 18, 16Feb 23, 17[F04F, E21B]
2016/0160,881 INLET RAMPS FOR PRESSURE EXCHANGE DEVICESNov 20, 15Jun 09, 16[F04F]
2016/0160,890 SYSTEMS AND METHODS FOR ROTOR AXIAL FORCE BALANCINGDec 03, 15Jun 09, 16[F15B]
2016/0146,229 SYSTEM AND METHOD FOR ROTORSNov 20, 15May 26, 16[F15B]
2016/0062,370 SYSTEMS AND METHOD FOR PUMP PROTECTION WITH A HYDRAULIC ENERGY TRANSFER SYSTEMAug 28, 15Mar 03, 16[G05D, B01F]
2015/0275,844 HYDRAULIC TURBINE SYSTEM WITH AUXILIARY NOZZLESMar 26, 15Oct 01, 15[F03B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9920774 Pressure exchange system with motor system and pressure compensation systemAug 18, 16Mar 20, 18[F04F, E21B]
9885372 System and method for a rotor advancing toolDec 23, 14Feb 06, 18[F04F, E21B]
9835018 Rotary isobaric pressure exchanger system with lubrication systemDec 30, 14Dec 05, 17[F04F, E21B]
9764272 Systems and methods for utilizing turbine systems within gas processing systemsOct 27, 14Sep 19, 17[C10L, F16D, F03B, B01D]
9759054 System and method for utilizing integrated pressure exchange manifold in hydraulic fracturingJul 13, 15Sep 12, 17[F04B, F17D, F15D, F04F, E21B]
9739128 Rotary isobaric pressure exchanger system with flush systemDec 30, 14Aug 22, 17[F04F, E21B]
9695795 Pressure exchange noise reductionApr 19, 12Jul 04, 17[F03B, F04F]
9683574 Debris resistant thrust bearing assembly for high speed hydraulic centrifugal turbines and pumpsAug 26, 14Jun 20, 17[B23P, F16C, F03B, F04D]
9604889 Isobaric pressure exchanger in amine gas processingNov 07, 13Mar 28, 17[C10L, C07C, F04F, B01D]
9440895 Isobaric pressure exchanger controls in amine gas processingNov 07, 13Sep 13, 16[C10L, C07C, F04F, B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0160,882 PORT GEOMETRY FOR PRESSURE EXCHANGERAbandonedDec 02, 15Jun 09, 16[F15B]
2016/0160,887 Systems and Methods for Rotor Axial Force BalancingAbandonedDec 03, 15Jun 09, 16[F15B]
2016/0160,888 ROTOR DUCT SPOTFACE FEATURESAbandonedDec 02, 15Jun 09, 16[F15B]
2015/0184,540 SYSTEM AND METHOD FOR BEARINGSAbandonedDec 29, 14Jul 02, 15[C04B, B23K, F16C, B22F, F01D]
2015/0068,975 WEAR-RESISTANT LINER SYSTEM AND METHODAbandonedSep 09, 14Mar 12, 15[B04C, B29C]
2014/0093,407 HYDRAULIC SYSTEM WITH MODULAR INSERTSAbandonedSep 20, 13Apr 03, 14[F04D, F01D]
8579603 Centrifugal pumpExpiredJul 12, 05Nov 12, 13[F04B]
2012/0067,825 EFFICIENT METHODS FOR OPERATION WITH HIGH PRESSURE LIQUIDSAbandonedSep 20, 11Mar 22, 12[F17D, F28D, C02F]
2009/0104,046 ROTARY PRESSURE TRANSFER DEVICESAbandonedDec 18, 08Apr 23, 09[F15B, F04F]
4887942 Pressure exchanger for liquidsExpiredSep 02, 88Dec 19, 89[F04F]

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