Who owns the HF-SEP trademark?

The HF-SEP trademark is owned by PRODUCED WATER SOLUTIONS, LLC.

What class is the HF-SEP trademark registered in?

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

What is the serial number for HF-SEP?

The USPTO serial number for HF-SEP is 99299238.

What is the registration number for HF-SEP?

HF-SEP is registered under USPTO registration number 8375601.

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Home Search: HF-SEPHF-SEP #99299238

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Updated Sep 29, 2026·30 searches this week

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HFS

USPTO Trademark Record

REGISTERED

HF-SEP

SN 99299238·Reg 8375601·Filed Jul 23, 2025

Owner PRODUCED WATER SOLUTIONS, LLC

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

HF-SEP (Serial No. 99299238), Registration No. 8375601, is a registered US trademark filed on Jul 23, 2025 by PRODUCED WATER SOLUTIONS, LLC. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

early section 8: August 04, 2032

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Full conflict analysis for HF-SEP (SN 99299238) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

HF-SEP (Reg. #8375601) is a registered US trademark that has been protecting its owner, PRODUCED WATER SOLUTIONS, LLC, since 2025. 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

Jul 23, 2025

SERIAL

99299238

REG#

8375601

REGISTERED

Aug 04, 2026

Filing Information

StatusREGISTERED

Filing DateJul 23, 2025

Serial Number99299238

Registration No.8375601

Registration DateAug 04, 2026

Status DateAug 04, 2026

Published for OppositionJun 16, 2026

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 011Lighting, heating, cooling & sanitary apparatus

US codes: 013, 021, 023, 024, 031, 034

First use anywhere: Mar 31, 2014

First use in commerce: Mar 31, 2014

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

17 events

REGISTERED-PRINCIPAL REGISTER

Aug 04, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Aug 04, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jun 16, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 16, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 10, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

May 18, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

May 15, 2026

ASSIGNED TO EXAMINER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Mar 05, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Mar 05, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Mar 05, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Dec 16, 2025

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Dec 16, 2025

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Dec 16, 2025

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Dec 10, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Dec 01, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jul 23, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Jul 23, 2025

APPLICATION FILING RECEIPT MAILED

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