Who owns the PRESSURE EXCHANGER trademark?

The PRESSURE EXCHANGER trademark is owned by ENERGY RECOVERY, INC..

What class is the PRESSURE EXCHANGER trademark registered in?

The PRESSURE EXCHANGER trademark is registered in Class 011 (Lighting, heating, cooling & sanitary apparatus).

What is the serial number for PRESSURE EXCHANGER?

The USPTO serial number for PRESSURE EXCHANGER is 78467333.

What is the registration number for PRESSURE EXCHANGER?

PRESSURE EXCHANGER is registered under USPTO registration number 3125056.

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Updated Nov 3, 2026·24 searches this week

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Section 8/9 declaration window

August 01, 2036

3559 days remaining

PRE

PRESSURE EXCHANGER

REGISTERED

Serial: 78467333
Reg: 3125056
Filed: Aug 13, 2004
Owner: ENERGY RECOVERY, INC.

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

What to file next

Section 9 renewal, filed with a Section 8 declaration

When: Due between the ninth and tenth anniversary of registration, then before each tenth anniversary after that.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed renewal cancels the registration, and there is no revival route for it.

How Section 9 renewal works

General information about USPTO practice, not legal advice. The register is the authority, and a filing that has not yet posted can change what is owed.

Full Goods & Services

Class 011Lighting, heating, cooling & sanitary apparatus

US codes: 013, 021, 023, 031, 034

First use anywhere: Apr 30, 2000

First use in commerce: Apr 30, 2000

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

This description is as filed with the USPTO and defines the scope of trademark protection.

Status History

46 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Oct 08, 2026

Code APRE

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Oct 08, 2026

Code 89AG

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Oct 08, 2026

Code RNL2

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Oct 08, 2026

Code NA89

TEAS SECTION 8 & 9 RECEIVED

Jul 27, 2026

Code E89R

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

Aug 01, 2025

Code REM2

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Oct 13, 2016

Code APRE

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Oct 13, 2016

Code 89AG

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Oct 13, 2016

Code RNL1

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Oct 13, 2016

Code NA89

TEAS SECTION 8 & 9 RECEIVED

Jul 29, 2016

Code E89R

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Aug 21, 2012

Code APRE

REGISTERED - SEC. 8 (6-YR) ACCEPTED

Aug 21, 2012

Code 8.OK

NOTICE OF ACCEPTANCE OF SEC. 8 - MAILED

Aug 21, 2012

Code NAS8

TEAS SECTION 8 RECEIVED

Jul 31, 2012

Code ES8R

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Dec 14, 2011

Code ASCK

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jul 22, 2011

Code COAR

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jul 22, 2011

Code CHAN

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Jul 07, 2011

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 07, 2011

Code ARAA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 18, 2009

Code TCCA

REGISTERED-SUPPLEMENTAL REGISTER

Aug 01, 2006

Code R.SR

LAW OFFICE PUBLICATION REVIEW COMPLETED

Jun 16, 2006

Code PREV

ASSIGNED TO LIE

Jun 09, 2006

Code ALIE

APPROVED FOR REGISTRATION SUPPLEMENTAL REGISTER

Jun 01, 2006

Code CNTA

TEAS/EMAIL CORRESPONDENCE ENTERED

May 11, 2006

Code TEME

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 01, 2006

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 01, 2006

Code CRFA

FINAL REFUSAL WRITTEN

Feb 09, 2006

Code CNFR

FINAL REFUSAL E-MAILED

Feb 09, 2006

Code GNFR

TEAS/EMAIL CORRESPONDENCE ENTERED

Jan 13, 2006

Code TEME

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Dec 28, 2005

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

Dec 28, 2005

Code CRFA

NON-FINAL ACTION WRITTEN

Nov 18, 2005

Code CNRT

NON-FINAL ACTION E-MAILED

Nov 18, 2005

Code GNRT

TEAS/EMAIL CORRESPONDENCE ENTERED

Oct 27, 2005

Code TEME

TEAS PETITION TO REVIVE RECEIVED

Oct 25, 2005

Code PROA

PETITION TO REVIVE-GRANTED

Oct 25, 2005

Code PETG

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Oct 25, 2005

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 25, 2005

Code CRFA

ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE

Oct 14, 2005

Code ABN2

ABANDONMENT NOTICE MAILED - FAILURE TO RESPOND

Oct 14, 2005

Code MAB2

NON-FINAL ACTION WRITTEN

Mar 18, 2005

Code CNRT

NON-FINAL ACTION E-MAILED

Mar 18, 2005

Code GNRT

ASSIGNED TO EXAMINER

Mar 17, 2005

Code DOCK

NEW APPLICATION ENTERED

Aug 23, 2004

Code NWAP

PRESSURE EXCHANGER

What to file next

Full Goods & Services

Filing Basis & Declarations

Other Marks by ENERGY RECOVERY, INC.

Other Marks in Class 011 — Lighting, heating, cooling & sanitary apparatus

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