Who owns the PX trademark?

The PX trademark is owned by ENERGY RECOVERY, INC..

What class is the PX trademark registered in?

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

What is the serial number for PX?

The USPTO serial number for PX is 78467360.

What is the registration number for PX?

PX is registered under USPTO registration number 3173098.

Sealvo

Home Search: PXPX #78467360

Back

Updated Sep 27, 2026·10 searches this week

View on USPTO TSDR Find similar marks

USPTO Trademark Record

REGISTERED

PX

SN 78467360·Reg 3173098·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.

PX (Serial No. 78467360), Registration No. 3173098, is a registered US trademark filed on Aug 13, 2004 by ENERGY RECOVERY, INC.. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

renewal 20y period: November 23, 202656 days remaining

Conflict Analysis

Full conflict analysis for PX (SN 78467360) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

PX (Reg. #3173098) is a registered US trademark that has been protecting its owner, ENERGY RECOVERY, INC., since 2004. The mark covers Class 011 (Lighting, heating, cooling & sanitary apparatus). Goods and services include Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply.... The mark faced 1 opposition proceeding during prosecution.

FILED

Aug 13, 2004

SERIAL

78467360

REG#

3173098

REGISTERED

Nov 21, 2006

Filing Information

StatusREGISTERED

Filing DateAug 13, 2004

Serial Number78467360

Registration No.3173098

Registration DateNov 21, 2006

Status DateJan 03, 2017

Published for OppositionSep 05, 2006

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

International Filings

Madrid Protocol1 filings

This mark has 1 Madrid Protocol filing on record with the USPTO.

0923919

480Apr 03, 2007

Source: USPTO Madrid International Filing Requests

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

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.

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

44 events

TEAS SECTION 8 & 9 RECEIVED

Jul 27, 2026

TEAS SECTION 8 & 9 RECEIVED

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

Nov 21, 2025

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 03, 2017

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Jan 03, 2017

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Jan 03, 2017

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

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

Jan 03, 2017

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

TEAS SECTION 8 & 9 RECEIVED

Oct 21, 2016

TEAS SECTION 8 & 9 RECEIVED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Dec 15, 2012

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Dec 15, 2012

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - MAILED

Dec 15, 2012

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - MAILED

TEAS SECTION 8 & 15 RECEIVED

Nov 19, 2012

TEAS SECTION 8 & 15 RECEIVED

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Dec 14, 2011

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jul 22, 2011

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jul 22, 2011

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Jul 07, 2011

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 07, 2011

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 18, 2009

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REGISTERED-PRINCIPAL REGISTER

Nov 21, 2006

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Sep 05, 2006

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Aug 16, 2006

NOTICE OF PUBLICATION

LAW OFFICE PUBLICATION REVIEW COMPLETED

Jul 13, 2006

LAW OFFICE PUBLICATION REVIEW COMPLETED

ASSIGNED TO LIE

Jul 07, 2006

ASSIGNED TO LIE

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 30, 2006

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

Jun 10, 2006

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 01, 2006

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 01, 2006

CORRESPONDENCE RECEIVED IN LAW OFFICE

FINAL REFUSAL WRITTEN

Feb 09, 2006

FINAL REFUSAL WRITTEN

FINAL REFUSAL E-MAILED

Feb 09, 2006

FINAL REFUSAL E-MAILED

TEAS/EMAIL CORRESPONDENCE ENTERED

Jan 13, 2006

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Dec 28, 2005

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Dec 28, 2005

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION WRITTEN

Nov 18, 2005

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Nov 18, 2005

NON-FINAL ACTION E-MAILED

TEAS/EMAIL CORRESPONDENCE ENTERED

Oct 27, 2005

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS PETITION TO REVIVE RECEIVED

Oct 25, 2005

TEAS PETITION TO REVIVE RECEIVED

PETITION TO REVIVE-GRANTED

Oct 25, 2005

PETITION TO REVIVE-GRANTED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Oct 25, 2005

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 25, 2005

CORRESPONDENCE RECEIVED IN LAW OFFICE

ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE

Oct 14, 2005

ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE

ABANDONMENT NOTICE MAILED - FAILURE TO RESPOND

Oct 14, 2005

ABANDONMENT NOTICE MAILED - FAILURE TO RESPOND

NON-FINAL ACTION WRITTEN

Mar 18, 2005

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Mar 18, 2005

NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Mar 17, 2005

ASSIGNED TO EXAMINER

NEW APPLICATION ENTERED

Aug 23, 2004

NEW APPLICATION ENTERED

Other Marks by ENERGY RECOVERY, INC.

Additional USPTO filings from the same owner.

EEN

E ENERGY RECOVERY

99431584

Energy Recovery, Inc.

REGISTERED

ERI

78467304

ENERGY RECOVERY, INC.

REGISTERED

PXG

PX G1300

90734113

Energy Recovery, Inc.

REGISTERED

ERI

77278196

ENERGY RECOVERY, INC.

REGISTERED

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

Recently filed and registered marks in the same international class.

98799809

Pexco LLC

PENDING

79055560

Parat Beteiligungs GmbH

ABANDONED

PXP

PX PRESSURE EXCHANGER

78467363

ENERGY RECOVERY, INC.

REGISTERED

PXX

PX XTREAM

99666152

Energy Recovery, Inc.

PENDING

Other Marks by Jefferson F. Scher

Additional USPTO filings handled by the same attorney of record.

BLU

BLUE HOUR

98978591

REGISTERED

LIV

LIVE WELL ON THE ROAD

88468802

REGISTERED

VOL

VOLTRACK

79382578

REGISTERED

IAC

I-ACCEPT

97501396

REGISTERED

PX

Run a conflict check

Other Marks by ENERGY RECOVERY, INC.

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

Other Marks by Jefferson F. Scher

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company