---
title: "Kolene Trademarks & Service Marks"
url: "https://www.kolene.com/trademarks-list/"
description: "The registered and unregistered trademarks and service marks of Kolene Corporation, how to use them as adjectives, and the marks assigned to H.E.F. Corporation."
site: "Kolene Corporation"
updated: "2026-09-25T04:30:43+00:00"
breadcrumbs: "Home > Kolene Trademarks & Service Marks"
---

# Kolene Trademarks & Service Marks

Updated: September 2026

The trademarks and service marks in the first two lists belong to Kolene Corporation. They are used as adjectives, for example Kastech® salt, Kolene® Recover® service, or Upton® metal treating equipment. Marks assigned to H.E.F. Corporation are listed separately below. If you see one of our marks misused, or a name that could be confused with one, please [contact us](https://www.kolene.com/contact/) and include the mark and where you saw it.

## Registered trademarks and service marks

Registered in the United States and shown with the ® symbol.

- DGS®
- ENGINEERED THERMAL SOLUTIONS®
- EXTREME CLEANING TECHNOLOGIES®
- ISO-BRAZE®
- ISO-HEAT®
- ISO-THERM®
- KASTECH®
- KOLECTRIC®
- KOLENE®
- KOLENE FNC-BASE®
- KOLENE FNC-REGEN®
- KOLENE QS®
- KOLIQUID®
- OXIGEN-X®
- RECOVER®
- SCALEX®
- UPTON®

## Trademarks and service marks

Not registered in the United States and shown with the ™ or ℠ symbol.

- 6-2-3 Reducing Agent™
- ALKO™
- DENAMEL™
- KGC™
- KLC™
- KONTINUOUS™
- KQW™
- LTS™
- SBN™
- SMS™
- UNITIZED™
- VIRGO™

## Marks assigned to H.E.F. Corporation

Melonite, Melonizing, Mel 1, Reg 1, KQ-500, NU-TRIDE, Tufftride, and Tufftriding are trademarks of H.E.F. Corporation. Kolene uses these marks only to identify H.E.F. products and services.

## The Kolene K logo

The Kolene K logo is a registered trademark of Kolene Corporation. It is a block letter K with the word KOLENE inside, and it denotes our products, services, and equipment. *The logo may appear in different colors, typefaces, or forms while keeping the same overall composition.*

Current use logo:

![Kolene K logo in current use](https://www.kolene.com/wp-content/uploads/2024/11/@3Logo.webp)

Logo submitted to the USPTO:

![Kolene K logo as submitted to the USPTO](https://www.kolene.com/wp-content/uploads/2024/10/image-300x144.webp)