Who owns the ENGINE GUARD trademark?

The ENGINE GUARD trademark is owned by PETROCHOICE DYNAMO LLC.

What class is the ENGINE GUARD trademark registered in?

The ENGINE GUARD trademark is registered in Class 042 (Scientific, technology & SaaS services).

What is the serial number for ENGINE GUARD?

The USPTO serial number for ENGINE GUARD is 86918736.

What is the registration number for ENGINE GUARD?

ENGINE GUARD is registered under USPTO registration number 5058422.

Sealvo

Home Search: ENGINE GUARDENGINE GUARD #86918736

Back

Updated Sep 29, 2026·8 searches this week

View on USPTO TSDR Find similar marks

ENG

USPTO Trademark Record

REGISTERED

ENGINE GUARD

SN 86918736·Reg 5058422·Filed Feb 24, 2016

Owner PETROCHOICE DYNAMO LLC

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

ENGINE GUARD (Serial No. 86918736), Registration No. 5058422, is a registered US trademark filed on Feb 24, 2016 by PETROCHOICE DYNAMO LLC. This trademark covers Class 042 (Scientific, technology & SaaS services).

renewal 10y period: October 12, 202613 days remaining

Conflict Analysis

Full conflict analysis for ENGINE GUARD (SN 86918736) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

ENGINE GUARD (Reg. #5058422) is a registered US trademark that has been protecting its owner, PETROCHOICE DYNAMO LLC, since 2016. The mark covers Class 042 (Scientific, technology & SaaS services). Goods and services include Scientific and technological services and research and design relating thereto; industrial analysis, industrial research.... The mark faced 1 opposition proceeding during prosecution.

FILED

Feb 24, 2016

SERIAL

86918736

REG#

5058422

REGISTERED

Oct 11, 2016

Filing Information

StatusREGISTERED

Filing DateFeb 24, 2016

Serial Number86918736

Registration No.5058422

Registration DateOct 11, 2016

Status DateMay 05, 2022

Published for OppositionJul 26, 2016

Filing Basis & Declarations

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

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Jul 31, 1978

First use in commerce: Jul 31, 1978

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

49 events

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jun 09, 2026

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jun 09, 2026

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Jun 09, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jun 09, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jun 09, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Feb 17, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 17, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 17, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Feb 05, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 05, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 05, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Oct 11, 2025

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

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

Apr 25, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Apr 25, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Apr 25, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Apr 25, 2025

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

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

May 05, 2022

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

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

May 05, 2022

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

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

May 04, 2022

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 26, 2022

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

POST REGISTRATION ACTION MAILED - SEC. 8 & 15

Jan 26, 2022

POST REGISTRATION ACTION MAILED - SEC. 8 & 15

TEAS SECTION 8 & 15 RECEIVED

Oct 12, 2021

TEAS SECTION 8 & 15 RECEIVED

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

Oct 11, 2021

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

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jan 07, 2021

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

Jan 07, 2021

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jan 07, 2021

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jan 07, 2021

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jan 07, 2021

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Aug 22, 2018

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Jul 25, 2018

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Apr 26, 2017

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

REGISTERED-PRINCIPAL REGISTER

Oct 11, 2016

REGISTERED-PRINCIPAL REGISTER

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Aug 17, 2016

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Aug 10, 2016

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

PUBLISHED FOR OPPOSITION

Jul 26, 2016

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 26, 2016

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jul 06, 2016

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Jun 15, 2016

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Jun 15, 2016

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Jun 15, 2016

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Jun 15, 2016

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 15, 2016

APPROVED FOR PUB - PRINCIPAL REGISTER

NON-FINAL ACTION WRITTEN

Jun 14, 2016

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jun 14, 2016

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jun 14, 2016

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Jun 08, 2016

ASSIGNED TO EXAMINER

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Jun 08, 2016

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 29, 2016

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Feb 27, 2016

NEW APPLICATION ENTERED

Other Marks by PETROCHOICE DYNAMO LLC

Additional USPTO filings from the same owner.

SIN

SINCE 1929 UNIVERSAL LUBRICANTS, LLC

85502139

PETROCHOICE DYNAMO LLC

REGISTERED

DEZ

DEZOL

71566816

Petrochoice Dynamo LLC

REGISTERED

FRI

FRICTION SHIELD

87664385

Petrochoice Dynamo LLC

REGISTERED

21C

74119732

PETROCHOICE DYNAMO LLC

REGISTERED

Other Marks in Class 042 — Scientific, technology & SaaS services

Recently filed and registered marks in the same international class.

ENG

ENGINE V GUARD

86918767

PETROCHOICE HOLDINGS, INC.

REGISTERED

ENG

ENGINE

99105938

ENGINE, LLC

REGISTERED

ENG

ENGINE

98620891

HotelEngine, Inc.

REGISTERED

ENG

ENGINE

88738508

Engine Technologies Pte. Ltd.

REGISTERED

Other Marks by C. Blair Barbieri

Additional USPTO filings handled by the same attorney of record.

ADA

ADAPTABLE MEALS

88455285

86827277

BARE IS BETTER

98883115

REGISTERED

IMP

IMPERIAL AMERICAN WAGYU BEEF EXCELLENCE, ELEVATED.

88098646

REGISTERED

ENGINE GUARD

Run a conflict check

Other Marks by PETROCHOICE DYNAMO LLC

Other Marks in Class 042 — Scientific, technology & SaaS services

Other Marks by C. Blair Barbieri

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company