Who owns the CORE TRANSFORMERS trademark?

The CORE TRANSFORMERS trademark is owned by CORE Transformers, LLC.

What is the serial number for CORE TRANSFORMERS?

The USPTO serial number for CORE TRANSFORMERS is 99645389.

What is the registration number for CORE TRANSFORMERS?

CORE TRANSFORMERS is registered under USPTO registration number 8448349.

COR

USPTO Trademark Record

REGISTERED

CORE TRANSFORMERS

Q: What class is the CORE TRANSFORMERS trademark registered in?

The CORE TRANSFORMERS trademark is registered in Class 009 (Electronics, software & scientific instruments), Class 037 (Construction, installation & repair services), Class 040 (Treatment & processing of materials).

SN 99645389·Reg 8448349·Filed Feb 10, 2026

Owner CORE Transformers, LLC

Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable multimedia files, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus.; Construction services; installation and repair services; mining extraction, oil and gas drilling.; Treatment of materials; recycling of waste and trash; air purification and treatment of water; printing services; food and drink preservation.

CORE TRANSFORMERS (Serial No. 99645389), Registration No. 8448349, is a registered US trademark filed on Feb 10, 2026 by CORE Transformers, LLC. This trademark covers Class 009 (Electronics, software & scientific instruments), Class 037 (Construction, installation & repair services), Class 040 (Treatment & processing of materials).

early section 8: September 22, 2032

Mark Intelligence

CORE TRANSFORMERS (Reg. #8448349) is a registered US trademark that has been protecting its owner, CORE Transformers, LLC, since 2026. The mark covers Class 009 (Electronics, software & scientific instruments), Class 037 (Construction, installation & repair services) and Class 040 (Treatment & processing of materials) respectively. Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 1 opposition proceeding during prosecution.

FILED

Feb 10, 2026

SERIAL

99645389

REG#

8448349

REGISTERED

Sep 22, 2026

Owner

Applicant

CORE Transformers, LLC

Entity

LLC

State

Address

295 Jacobs Road, Senaca, SC, 29678

Country

Attorney

NameBrittany L. Kulwicki Wheeler

Law firm

Brittany L. Kulwicki Wheeler Calfee, Halter & Griswold LLP

Docket

42829.04002

Address

The Calfee Building, 1405 East Sixth Street, Cleveland, OH 44114-1607, United States

Get pre-filing clearance

AI attorney analyzes your proposed mark against USPTO — Go/No-Go verdict, class-by-class risks, and strategy recommendations.

Run clearance

Filing Information

StatusREGISTERED

Filing DateFeb 10, 2026

Serial Number99645389

Registration No.8448349

Registration DateSep 22, 2026

Status DateSep 22, 2026

Published for OppositionAug 04, 2026

Mark TypeStandard characters

Attorney Docket42829.04002

Status DescriptionLive and registered

Filing Signals

FILED

2026

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

Search 14M+ trademarks

Free USPTO lookups by name, owner, or serial number. No account needed.

Search now

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

US codes: 021, 023, 026, 036, 038

First use anywhere: Sep 30, 2021

First use in commerce: Sep 30, 2021

Class 037Construction, installation & repair services

US codes: 100, 103, 106

First use anywhere: Sep 30, 2021

First use in commerce: Sep 30, 2021

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

Class 040Treatment & processing of materials

US codes: 100, 103, 106

First use anywhere: Sep 30, 2021

First use in commerce: Sep 30, 2021

Treatment of materials; recycling of waste and trash; air purification and treatment of water; printing services; food and drink preservation.

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

Status History

14 events

REGISTERED-PRINCIPAL REGISTER

Sep 22, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Sep 22, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Aug 04, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Aug 04, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jul 29, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jul 01, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINERS AMENDMENT -WRITTEN

Jun 08, 2026

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Jun 08, 2026

EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Jun 08, 2026

EXAMINER'S AMENDMENT ENTERED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Jun 08, 2026

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

ASSIGNED TO EXAMINER

Jun 04, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION ENTERED

Feb 10, 2026

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Feb 10, 2026

APPLICATION FILING RECEIPT MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 10, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

CORE TRANSFORMERS

Get pre-filing clearance

Search 14M+ trademarks

Run a conflict check

Other Marks by CORE Transformers, LLC

Other Marks in Class 009 — Electronics, software & scientific instruments

Other Marks by Brittany L. Kulwicki Wheeler

Resources

Company