Gray Duct Technologies

3 Marks

Corp.

First Filed:Dec 23, 2020Latest Filed:Oct 2, 2025Address:6912 South Park Drive, Savage, MN 55378, US

Portfolio Overview

Registered

2(67%)

Pending

1(33%)

Top Classes

Class 37

Construction and Repair

3(100%)

Class 42

Software, IT Services & Scientific Research

2(67%)

TTAB Proceedings

No litigation activity

Top Firms

HELLMUTH & JOHNSON, PLLC(Oct 2025)

Rapacke Law Group(Dec 2020)

Trademark Portfolio

3 results

(current & previous marks)

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Class 373

Class 422

G GRAY DUCT HEATING ◦ COOLING ◦ AIR DUCT CLEANING

Service Mark

Combined

PENDING

Owner:

Serial:99425174

Filed:Oct 2, 2025

Classes:37, 42

Goods & Services

Class 037: Air duct cleaning services; Cleaning of HVAC systems, air ducts, HVAC coils, and dryer vents; HVAC contractor services; Air conditioning vent sealing services; Consultation services in the field of cleaning of HVAC systems, air ducts, HVAC coils, and dryer vents; Maintenance of HVAC systems, air ducts, HVAC coils, and dryer vents; Repair and replacement installation of HVAC systems, air ducts, HVAC coils, and dryer vents; Disinfectant fogging services for HVAC systems.; Class 042: Inspection of HVAC systems, air ducts, HVAC coils, and dryer vents

G GRAY DUCT AIR DUCT & DRYER VENT CLEANING

Service Mark

Combined

REGISTERED

Owner:

Serial:98428017

Filed:Feb 29, 2024

Classes:37, 42

Registration:7952020

Registered:Sep 16, 2025

Goods & Services

Air duct cleaning services; Cleaning of HVAC systems, air ducts, HVAC coils, and dryer vents; HVAC contractor services; Air conditioning vent sealing services; Consultation services in the field of cleaning of HVAC systems, air ducts, HVAC coils, and dryer vents; Maintenance of HVAC systems, air ducts, HVAC coils, and dryer vents; Repair and replacement installation of HVAC systems, air ducts, HVAC coils, and dryer vents; Disinfectant fogging services for HVAC systems.; "DUCT," "AIR DUCT & DRYER VENT CLEANING," or the design of Minnesota; Inspection of HVAC systems, air ducts, HVAC coils, and dryer vents

GRAY DUCT TECHNOLOGIES

Service Mark

Combined

REGISTERED

Owner:

Serial:90405378

Filed:Dec 23, 2020

Classes:37

Registration:7204280

Registered:Oct 31, 2023

Goods & Services

"DUCT" AND "TECHNOLOGIES" AND THE DESIGN OF THE PICTORIAL REPRESENTATION OF THE STATE OF MINNESOTA.

Gray Duct Technologies

Portfolio Overview

Top Classes

TTAB Proceedings

Top Firms

Trademark Portfolio

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