Who owns the WATT-FLEX trademark?

The WATT-FLEX trademark is owned by Dalton Electric Heating Co., Inc.

What class is the WATT-FLEX trademark registered in?

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

What is the serial number for WATT-FLEX?

The USPTO serial number for WATT-FLEX is 78880540.

What is the registration number for WATT-FLEX?

WATT-FLEX is registered under USPTO registration number 3224867.

Sealvo

Home Search: WATT-FLEXWATT-FLEX #78880540

Back

Updated Sep 17, 2026·25 searches this week

View on USPTO TSDR Find similar marks

WAT

USPTO Trademark Record

REGISTERED

WATT-FLEX

SN 78880540·Reg 3224867·Filed May 10, 2006

Owner Dalton Electric Heating Co., Inc

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

WATT-FLEX (Serial No. 78880540), Registration No. 3224867, is a registered US trademark filed on May 10, 2006 by Dalton Electric Heating Co., Inc. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

Section 8/9 declaration window: April 03, 2037

Conflict Analysis

Full conflict analysis for WATT-FLEX (SN 78880540) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

WATT-FLEX (Reg. #3224867) is a registered US trademark that has been protecting its owner, Dalton Electric Heating Co., Inc, since 2006. 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

May 10, 2006

SERIAL

78880540

REG#

3224867

REGISTERED

Apr 03, 2007

Filing Information

StatusREGISTERED

Filing DateMay 10, 2006

Serial Number78880540

Registration No.3224867

Registration DateApr 03, 2007

Status DateJul 08, 2026

Published for OppositionJan 16, 2007

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 011Lighting, heating, cooling & sanitary apparatus

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

First use anywhere: Sep 01, 1975

First use in commerce: Sep 01, 1975

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

38 events

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jul 22, 2026

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jul 22, 2026

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Jul 22, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 22, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 22, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Jul 08, 2026

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

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Jul 08, 2026

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

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

Jul 08, 2026

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jun 26, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Apr 24, 2026

TEAS SECTION 8 & 9 RECEIVED

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

Apr 03, 2026

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jun 24, 2016

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Jun 24, 2016

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Jun 24, 2016

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

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

Jun 24, 2016

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

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Apr 04, 2016

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS SECTION 8 & 9 RECEIVED

Apr 04, 2016

TEAS SECTION 8 & 9 RECEIVED

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

Apr 03, 2016

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

REGISTERED - SEC. 8 (6-YR) ACCEPTED

Sep 21, 2012

REGISTERED - SEC. 8 (6-YR) ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

Sep 21, 2012

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Sep 20, 2012

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 RECEIVED

Aug 31, 2012

TEAS SECTION 8 RECEIVED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 31, 2012

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REGISTERED-PRINCIPAL REGISTER

Apr 03, 2007

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Jan 16, 2007

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Dec 27, 2006

NOTICE OF PUBLICATION

LAW OFFICE PUBLICATION REVIEW COMPLETED

Nov 22, 2006

LAW OFFICE PUBLICATION REVIEW COMPLETED

ASSIGNED TO LIE

Nov 13, 2006

ASSIGNED TO LIE

APPROVED FOR PUB - PRINCIPAL REGISTER

Nov 03, 2006

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

Nov 01, 2006

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Oct 19, 2006

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 19, 2006

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION WRITTEN

Oct 13, 2006

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Oct 13, 2006

NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Oct 12, 2006

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Oct 12, 2006

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Oct 12, 2006

NON-FINAL ACTION E-MAILED

NEW APPLICATION ENTERED

May 16, 2006

NEW APPLICATION ENTERED

Other Marks by Dalton Electric Heating Co., Inc

Additional USPTO filings from the same owner.

DIF

DIFF-THERM

85718412

Dalton Electric Heating Co., Inc.

REGISTERED

DAL

DALTON

50006489

Dalton Electric Heating Co., Inc.

PENDING

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

Recently filed and registered marks in the same international class.

WAT

WATT-FLEX

73152859

SOUTHPORT ENTERPRISES, INC.

ABANDONED

GRE

GREEN WATT

88716441

Qingsong Li

REGISTERED

WAT

WATT-MISER

73180987

CURRENT LIGHTING SOLUTIONS, LLC

REGISTERED

MUL

MULTI-WATT

73494658

P.Q.L., INC.

REGISTERED

Other Marks by Rebecca S. Lessard

Additional USPTO filings handled by the same attorney of record.

HEA

HEAT ABLE

88176333

REGISTERED

ELE

ELEVAI NOURISH

98628764

REGISTERED

ELE

ELEVAI RENEW

98628766

REGISTERED

ELE

ELEVAI EXOSOMES

97097832

REGISTERED

WATT-FLEX

Run a conflict check

Other Marks by Dalton Electric Heating Co., Inc

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

Other Marks by Rebecca S. Lessard

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company