ENERGY RECOVERY, INC. logo

ENERGY RECOVERY, INC.

37 Marks
Corp.
First Filed:Jun 24, 1985Latest Filed:Feb 23, 2026Address:1717 Doolittle Dr, San Leandro, CA 94577, US

Portfolio Overview

Registered
7(19%)
Pending
5(14%)
Dead
25(68%)
Previous
1

Top Classes

Class 7
Machinery
21(57%)
Class 11
HVAC, Lighting & Kitchen Appliances
17(46%)
Class 9
Electronics, Software & Scientific Equipment
1(3%)

TTAB Proceedings

Total Proceedings
2
As Plaintiff
0(0%)
As Defendant
2(100%)

Top Firms

Carr & Ferrell LLP(Oct 2025)
27
Husch Blackwell LLP(Feb 1987)
1

Trademark Activity Timeline(1985 – 2026)

Trademark Portfolio

38 results

(current & previous marks)

Refine by Mark/Description🔽
Filed
Registered
Last Activity
PX XTREAM
PX XTREAM
Trademark
Word
ITU
PENDING
Owner:
Serial:99666152
Filed:Feb 23, 2026
Classes:11
Goods & Services
Class 011: Pressure exchangers for use in reverse osmosis water treatment; pressure exchangers for use in wastewater treatment; pressure exchangers for use in brackish water treatment; pressure exchangers featuring external lubrication technology; pressure exchangers featuring external flushing technology
E ENERGY RECOVERY
E ENERGY RECOVERY
Trademark
Combined
ITU
PENDING
Owner:
Serial:99431598
Filed:Oct 7, 2025
Classes:7, 11
Goods & Services
Class 007: Hydraulic pumps; Positive displacement pumps; Reverse osmosis pumps; energy recovery devices, namely, pressure exchangers for use in refrigeration and HVAC; turbochargers for use in desalination, reverse osmosis, and wastewater treatment; Class 011: reverse osmosis filtration units for desalinating seawater and brackish water; pressure exchangers for use in desalination, reverse osmosis, and wastewater treatment
E ENERGY RECOVERY
E ENERGY RECOVERY
Trademark
Combined
PENDING
Owner:
Serial:99431584
Filed:Oct 7, 2025
Classes:7, 11
Goods & Services
Class 007: Hydraulic pumps; Positive displacement pumps; Reverse osmosis pumps; energy recovery devices, namely, pressure exchangers for use in refrigeration and HVAC; turbochargers for use in desalination, reverse osmosis, and wastewater treatment; Class 011: reverse osmosis filtration units for desalinating seawater and brackish water; pressure exchangers for use in desalination, reverse osmosis, and wastewater treatment
CPXP
CPXP
Trademark
Word
ITU
PENDING
Owner:
Serial:99066900
Filed:Mar 4, 2025
Classes:7
Goods & Services
Hydraulic pumps; Positive displacement pumps; Reverse osmosis pumps
PX CO2
PX CO2
Trademark
Word
ITU
PENDING
Owner:
Serial:99049984
Filed:Feb 20, 2025
Classes:7
Goods & Services
energy recovery devices, namely, pressure exchangers for use in refrigeration and HVAC; energy recovery devices, namely, pressure exchangers for use in CO2 refrigeration
PX PRIME
PX PRIME
Trademark
Word
ABANDONED
Owner:
Serial:97001697
Filed:Aug 30, 2021
Classes:7
PX G
PX G
Trademark
Word
ABANDONED
Owner:
Serial:90905098
Filed:Aug 26, 2021
Classes:7
PX G1300
PX G1300
Trademark
Word
REGISTERED
Owner:
Serial:90734113
Filed:May 25, 2021
Classes:7
Registration:7213861
Registered:Nov 7, 2023
Goods & Services
energy recovery devices, namely, pressure exchangers for use in CO2 refrigeration
CPXP
CPXP
Trademark
Word
ABANDONED
Owner:
Serial:88886153
Filed:Apr 24, 2020
Classes:7
MODULAR VORTEQ
MODULAR VORTEQ
Trademark
Word
ABANDONED
Owner:
Serial:88402632
Filed:Apr 25, 2019
Classes:7
Goods & Services
"MODULAR"
PX PRIME
PX PRIME
Trademark
Word
ABANDONED
Owner:
Serial:87469944
Filed:May 31, 2017
Classes:7
M-TEQ
M-TEQ
Trademark
Word
ABANDONED
Owner:
Serial:87299582
Filed:Jan 12, 2017
Classes:7
ISOPRO
ISOPRO
Trademark
Word
ABANDONED
Owner:
Serial:87120762
Filed:Jul 29, 2016
Classes:7
PURE GRIT
PURE GRIT
Trademark
Word
ABANDONED
Owner:
Serial:86400573
Filed:Sep 19, 2014
Classes:7
VORTEQ
VORTEQ
Trademark
Word
CANCELLED
Owner:
Serial:86400599
Filed:Sep 19, 2014
Classes:7
Registration:5617643
Registered:Nov 27, 2018
Goods & Services
centrifugal and hydraulic pumps and pressure exchangers for use in the field of energy production; centrifugal and hydraulic pumps and pressure exchangers for use in the field of oil and gas production and refining; centrifugal and hydraulic pumps and pressure exchangers for use in the field of hydraulic fracturing; hydraulic fracturing pump systems comprised of hydraulic high pressure pumps, manifolds, valves, and piping
85850663
85850663
Trademark
Design
CANCELLED
Owner:
Serial:85850663
Filed:Feb 14, 2013
Classes:7
Registration:5161306
Registered:Mar 14, 2017
Goods & Services
turbochargers for use in the field of energy production; turbochargers for use in the field of oil and gas production and refining; turbochargers for industrial applications; turbochargers for use in amine treatments; turbochargers for use in petrochemical applications; units combining a turbine and electric generator; units combining a turbine and electric generator for use in the field of energy production; units combining a turbine and electric generator for use in the field of oil and gas production and refining; units combining a turbine and electric generator for industrial applications; units combining a turbine and electric generator for use in amine treatments; units combining a turbine and electric generator for use in petrochemical applications
ISOBOOST
ISOBOOST
Trademark
Word
CANCELLED
Owner:
Serial:85810602
Filed:Dec 26, 2012
Classes:7
Registration:4660154
Registered:Dec 23, 2014
Goods & Services
turbochargers for use in the field of energy production; turbochargers for use in the field of oil and gas production and refining; turbochargers for industrial applications; turbochargers for use in amine treatments; turbochargers for use in petrochemical applications
ISOGEN
ISOGEN
Trademark
Word
CANCELLED
Owner:
Serial:85810611
Filed:Dec 26, 2012
Classes:7
Registration:4804436
Registered:Sep 1, 2015
Goods & Services
turbines and electric generators; units combining a turbine and electric generator; units combining a turbine and electric generator for use in the field of energy production; units combining a turbine and electric generator for use in the field of oil and gas production and refining; units combining a turbine and electric generator for industrial applications; units combining a turbine and electric generator for use in amine treatments; units combining a turbine and electric generator for use in petrochemical applications
ISOPRO
ISOPRO
Trademark
Word
ABANDONED
Owner:
Serial:85810614
Filed:Dec 26, 2012
Classes:7
ENERTORQUE
ENERTORQUE
Trademark
Word
ABANDONED
Owner:
Serial:85578041
Filed:Mar 23, 2012
Classes:7
ENERBOLD
ENERBOLD
Trademark
Word
ABANDONED
Owner:
Serial:85574998
Filed:Mar 20, 2012
Classes:7
ENERBOOST
ENERBOOST
Trademark
Word
ABANDONED
Owner:
Serial:85574992
Filed:Mar 20, 2012
Classes:7
77687693
77687693
Trademark
Design
ABANDONED
Owner:
Serial:77687693
Filed:Mar 10, 2009
Classes:11
CORAL
CORAL
Trademark
Word
ABANDONED
Owner:
Serial:77643597
Filed:Jan 5, 2009
Classes:11
SAPPHIRE
SAPPHIRE
Trademark
Word
ABANDONED
Owner:
Serial:77643602
Filed:Jan 5, 2009
Classes:11
ERI
ERI
Trademark
Combined
REGISTERED
Owner:
Serial:77278196
Filed:Sep 12, 2007
Classes:9
Registration:3503984
Registered:Sep 23, 2008
Goods & Services
pressure transferors, namely, energy transfer machines having a multi-channel rotor for the transfer of pressure between high and low pressure fluids, particularly for the water treatment industry, including component parts and instruction manuals sold as a unit therewith
SMART PX
SMART PX
Trademark
Word
ABANDONED
Owner:
Serial:77278176
Filed:Sep 12, 2007
Classes:11
Goods & Services
"SMART"
TITAN
TITAN
Trademark
Word
ABANDONED
Owner:
Serial:77278168
Filed:Sep 12, 2007
Classes:11
TITAN PX
TITAN PX
Trademark
Word
ABANDONED
Owner:
Serial:77278148
Filed:Sep 12, 2007
Classes:11
MAKING DESALINATION AFFORDABLE
MAKING DESALINATION AFFORDABLE
Trademark
Word
REGISTERED
Owner:
Serial:78781267
Filed:Dec 27, 2005
Classes:11
Registration:3349881
Registered:Dec 4, 2007
Goods & Services
[ HYDRAULIC PUMPS, PUMP CONTROL VALVES AND COMPONENT PARTS THEREFORE ] | DESALINATING UNITS; WATER TREATMENT AND PURIFICATION EQUIPMENT, NAMELY, REVERSE OSMOSIS UNITS FOR DESALINATING SEAWATER AND FRESHWATER CONSISTING OF PUMPS, CONTROL, VALVES, AND STRAINERS AND INSTRUCTION MANUALS SOLD AS A UNIT THEREWITH; COMPONENT PARTS FOR REVERSE OSMOSIS UNITS; STRAINERS FOR REVERSE OSMOSIS UNITS
ERI
ERI
Trademark
Word
REGISTERED
Owner:
Serial:78467304
Filed:Aug 13, 2004
Classes:11
Registration:3075798
Registered:Apr 4, 2006
Goods & Services
Water treatment and purification equipment, namely, reverse osmosis filtration units for desalinating seawater and freshwater; water strainers and component parts therefor, and instruction manuals sold as a unit therewith.
ERI ENERGY RECOVERY INC.
ERI ENERGY RECOVERY INC.
Trademark
Combined
CANCELLED
Owner:
Serial:78467350
Filed:Aug 13, 2004
Classes:11
Registration:3053713
Registered:Jan 31, 2006
Goods & Services
"ENERGY RECOVERY INC."
PRESSURE EXCHANGER
PRESSURE EXCHANGER
Trademark
Word
REGISTERED
Owner:
Serial:78467333
Filed:Aug 13, 2004
Classes:11
Registration:3125056
Registered:Aug 1, 2006
Goods & Services
Water treatment and purification equipment, namely, reverse osmosis filtration units for desalinating seawater and freshwater; water strainers and component parts therefor, and instruction manuals sold as a unit therewith
PX
PX
Trademark
Word
REGISTERED
Owner:
Serial:78467360
Filed:Aug 13, 2004
Classes:11
Registration:3173098
Registered:Nov 21, 2006
Goods & Services
Water treatment and purification equipment, namely, reverse osmosis filtration units for desalinating seawater and freshwater; water strainers and component parts therefor, and instruction manuals sold as a unit therewith
PX PRESSURE EXCHANGER
PX PRESSURE EXCHANGER
Trademark
Word
REGISTERED
Owner:
Serial:78467363
Filed:Aug 13, 2004
Classes:11
Registration:3156183
Registered:Oct 17, 2006
Goods & Services
PRESSURE EXCHANGER
ERI
ERI
Trademark
Combined
CANCELLED
Owner:
Serial:73544657
Filed:Jun 24, 1985
Classes:11
Registration:1388227
Registered:Apr 1, 1986
Goods & Services
STEAM GENERATING BOILER
MAX-FIRE
MAX-FIRE
Trademark
Word
ABANDONED
Owner:
Serial:73544522
Filed:Jun 24, 1985
Classes:11
Goods & Services
STEAM GENERATING BOILER
MAX-FIRE
MAX-FIRE
Trademark
Word
Previous
REGISTERED
Owner:
Serial:73643672
Filed:Feb 9, 1987
Classes:11
Registration:1455141
Registered:Sep 1, 1987
Goods & Services
Class 011: STEAM GENERATING BOILER

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