Who owns the MONOFORM CORE trademark?

The MONOFORM CORE trademark is owned by Hydro-Klean, LLC.

What class is the MONOFORM CORE trademark registered in?

The MONOFORM CORE trademark is registered in Class 037 (Construction, installation & repair services).

What is the serial number for MONOFORM CORE?

The USPTO serial number for MONOFORM CORE is 99306870.

What is the registration number for MONOFORM CORE?

MONOFORM CORE is registered under USPTO registration number 8159641.

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Updated Sep 18, 2026·26 searches this week

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MON

USPTO Trademark Record

REGISTERED

MONOFORM CORE

SN 99306870·Reg 8159641·Filed Jul 28, 2025

Owner Hydro-Klean, LLC

Construction services; installation and repair services; mining extraction, oil and gas drilling.

MONOFORM CORE (Serial No. 99306870), Registration No. 8159641, is a registered US trademark filed on Jul 28, 2025 by Hydro-Klean, LLC. This trademark covers Class 037 (Construction, installation & repair services).

early section 8: March 03, 2032

Conflict Analysis

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Mark Intelligence

MONOFORM CORE (Reg. #8159641) is a registered US trademark that has been protecting its owner, Hydro-Klean, LLC, since 2025. The mark covers Class 037 (Construction, installation & repair services). Goods and services include Construction services; installation and repair services; mining extraction, oil and gas drilling.. The mark faced 1 opposition proceeding during prosecution.

FILED

Jul 28, 2025

SERIAL

99306870

REG#

8159641

REGISTERED

Mar 03, 2026

Filing Information

StatusREGISTERED

Filing DateJul 28, 2025

Serial Number99306870

Registration No.8159641

Registration DateMar 03, 2026

Status DateMar 03, 2026

Published for OppositionJan 13, 2026

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 037Construction, installation & repair services

US codes: 100, 103, 106

First use anywhere: Apr 08, 2025

First use in commerce: Apr 08, 2025

Construction services; installation and repair services; mining extraction, oil and gas drilling.

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

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Status History

10 events

REGISTERED-PRINCIPAL REGISTER

Mar 03, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Mar 03, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jan 13, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 13, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 07, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 15, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Dec 12, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Dec 05, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jul 28, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Jul 28, 2025

APPLICATION FILING RECEIPT MAILED

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