Who owns the DURAMAX trademark?

The DURAMAX trademark is owned by KOCH FILTER CORPORATION.

What class is the DURAMAX trademark registered in?

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

What is the serial number for DURAMAX?

The USPTO serial number for DURAMAX is 85024373.

What is the registration number for DURAMAX?

DURAMAX is registered under USPTO registration number 3943296.

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Updated Sep 27, 2026·23 searches this week

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DUR

USPTO Trademark Record

REGISTERED

DURAMAX

SN 85024373·Reg 3943296·Filed Apr 27, 2010

Owner KOCH FILTER CORPORATION

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

DURAMAX (Serial No. 85024373), Registration No. 3943296, is a registered US trademark filed on Apr 27, 2010 by KOCH FILTER CORPORATION. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

Section 8/9 declaration window: April 14, 2031

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Full conflict analysis for DURAMAX (SN 85024373) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

DURAMAX (Reg. #3943296) is a registered US trademark that has been protecting its owner, KOCH FILTER CORPORATION, since 2010. 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

Apr 27, 2010

SERIAL

85024373

REG#

3943296

REGISTERED

Apr 12, 2011

Filing Information

StatusREGISTERED

Filing DateApr 27, 2010

Serial Number85024373

Registration No.3943296

Registration DateApr 12, 2011

Status DateMar 04, 2021

Published for OppositionAug 03, 2010

Filing Basis & Declarations

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

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 011Lighting, heating, cooling & sanitary apparatus

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

First use anywhere: Dec 31, 1996

First use in commerce: Dec 31, 1996

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.

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Status History

52 events

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Apr 29, 2026

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Apr 02, 2026

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Mar 26, 2026

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Oct 01, 2025

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Sep 24, 2024

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Sep 24, 2024

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Sep 24, 2024

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 24, 2024

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 24, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Aug 29, 2023

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Aug 29, 2023

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 29, 2023

TEAS CHANGE OF CORRESPONDENCE RECEIVED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 04, 2021

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Mar 04, 2021

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Mar 04, 2021

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

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

Mar 04, 2021

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

TEAS SECTION 8 & 9 RECEIVED

Nov 25, 2020

TEAS SECTION 8 & 9 RECEIVED

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

Apr 12, 2020

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

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

Sep 05, 2019

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 05, 2019

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

Feb 19, 2019

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

WITHDRAWAL OF ATTORNEY GRANTED

Feb 19, 2019

WITHDRAWAL OF ATTORNEY GRANTED

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

May 03, 2018

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

May 03, 2018

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

Apr 26, 2018

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

WITHDRAWAL OF ATTORNEY GRANTED

Apr 26, 2018

WITHDRAWAL OF ATTORNEY GRANTED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

May 23, 2017

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

May 23, 2017

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

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

May 23, 2017

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

TEAS SECTION 8 & 15 RECEIVED

Apr 10, 2017

TEAS SECTION 8 & 15 RECEIVED

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

Apr 12, 2016

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

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

Mar 18, 2015

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 18, 2015

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Jun 25, 2014

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Nov 21, 2012

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Nov 14, 2012

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

REGISTERED-PRINCIPAL REGISTER

Apr 12, 2011

REGISTERED-PRINCIPAL REGISTER

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

Feb 15, 2011

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

POST PUBLICATION AMENDMENT - ENTERED

Feb 04, 2011

POST PUBLICATION AMENDMENT - ENTERED

ASSIGNED TO PETITION STAFF

Feb 02, 2011

ASSIGNED TO PETITION STAFF

TEAS POST PUBLICATION AMENDMENT RECEIVED

Feb 01, 2011

TEAS POST PUBLICATION AMENDMENT RECEIVED

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Jan 05, 2011

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

EXTENSION OF TIME TO OPPOSE RECEIVED

Aug 09, 2010

EXTENSION OF TIME TO OPPOSE RECEIVED

PUBLISHED FOR OPPOSITION

Aug 03, 2010

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Aug 03, 2010

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

ASSIGNED TO LIE

Jul 01, 2010

ASSIGNED TO LIE

LAW OFFICE PUBLICATION REVIEW COMPLETED

Jul 01, 2010

LAW OFFICE PUBLICATION REVIEW COMPLETED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 19, 2010

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Jun 16, 2010

ASSIGNED TO EXAMINER

NOTICE OF PSEUDO MARK MAILED

May 01, 2010

NOTICE OF PSEUDO MARK MAILED

NEW APPLICATION ENTERED

Apr 30, 2010

NEW APPLICATION ENTERED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Apr 30, 2010

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

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