DURAMAX holds 10 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 7 (Machinery) with 2 filings. The WikiTrademarks Expansion Score is 34/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 14, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
5 records| Date | From | To |
|---|---|---|
| Feb 19, 2026 |
AIR DISTRIBUTION TECHNOLOGIES IP, LLC
|
KOCH FILTER CORPORATION
LOUISVILLE, KENTUCKY
|
| Aug 2, 2017 |
RELADYNE LLC
FOUR-O CORPORATION
SUNWELL CORPORATION
MID-TOWN PETROLEUM ACQUISITION LLC
PALATINE OIL, LLC
PAULSON OIL ACQUISITION COMPANY LLC
PARKER OIL COMPANY, LLC
RELADYNE MID-SOUTH, INC.
WESTERN MARKETING, INC.
|
U.S. BANK NATIONAL ASSOCIATION, AS ADMIN...
CHICAGO, ILLINOIS
|
| Jul 22, 2016 |
RELADYNE LLC
FOUR O CORPORATION
SUNWELL CORPORATION
MID-TOWN PETROLEUM ACQUISITION LLC
PALATINE OIL, LLC
PARKER OIL COMPANY LLC
PAULSON OIL ACQUISITION COMPANY LLC
|
GOLUB CAPITAL MARKETS LLC, AS ADMINISTRA...
CHICAGO, ILLINOIS
|
| Jun 17, 2014 |
ROYAL BANK OF CANADA
|
AIR SYSTEM COMPONENTS, INC.
PLANO, TEXAS
RUSKIN COMPANY, A DELAWARE CORPORATION
GRANDVIEW, MISSOURI
H&C MILCOR, INC., A DELAWARE CORPORATION
GRAND RAPIDS, MICHIGAN
KOCH FILTER CORPORATION, A KENTUCKY CORP...
LOUISVILLE, KENTUCKY
EASTERN SHEET METAL, INC., AN OHIO CORPO...
CINCINNATI, OHIO
SELKIRK CORPORATION, A DELAWARE CORPORAT...
GRAND RAPIDS, MICHIGAN
HART & COOLEY, INC., A DELAWARE CORPORAT...
GRAND RAPIDS, MICHIGAN
TOMKINS INDUSTRIES, INC., AND OHIO CORPO...
RICHARDSON, TEXAS
|
| Jun 17, 2014 |
ROYAL BANK OF CANADA
|
AIR SYSTEM COMPONENTS, INC
PLANO, TEXAS
RUSKIN COMPANY
GRANDVIEW, MISSOURI
H&C MILCOR, INC.
GRAND RAPIDS, MICHIGAN
KOCH FILTER CORPORATION, A KENTUCKY CORP...
LOUISVILLE, KENTUCKY
EASTERN SHEET METAL, INC.
CINCINNATI, OHIO
SELKIRK CORPORATION
GRAND RAPIDS, MICHIGAN
HART & COOLEY, INC
GRAND RAPIDS, MICHIGAN
TOMKINS INDUSTRIES, INC.
RICHARDSON, TEXAS
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99749244 | DURAMAX | Apr 07, 2026 | Registered | 009 Electronics & Software 020 Furniture 022 Ropes & Textiles | Test-Rite Products Corp. |
| 98612933 | DURAMAX | Jun 21, 2024 | Registered | 007 Machinery | Wenzhou Xihaihong E-Commerce Co., Ltd. |
| 88583510 | DURAMAX | Aug 19, 2019 | Pending | 019 Building Materials | Fisher, Lloyd D. |
| 87961533 | DURAMAX | Jun 14, 2018 | Pending | 025 Clothing & Footwear | General Motors LLC |
| 87169711 | DURAMAX | Sep 13, 2016 | Pending | 006 Metal Goods | General Motors LLC |
| 87169731 | DURAMAX | Sep 13, 2016 | Pending | 020 Furniture | General Motors LLC |
| 86755376 | DURAMAX | Sep 14, 2015 | Pending | 007 Machinery | RELADYNE, LLC |
| 85024373 | DURAMAX | Apr 27, 2010 | Abandoned | 011 Lighting & HVAC | AIR DISTRIBUTION TECHNOLOGIES IP, LLC |
| 76554865 | DURAMAX | Oct 06, 2003 | Abandoned | 019 Building Materials | U.S. POLYMERS, INC. |
| 74565523 | DURAMAX | Aug 25, 1994 | Abandoned | 002 Paints & Coatings | LF, LLC |
Weekly visibility reports showing how ChatGPT mentions DURAMAX, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: DURAMAX trademark portfolio
What trademarks does DURAMAX hold?
DURAMAX holds 10 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 7 (Machinery), Class 20 (Furniture), Class 19 (Building Materials). The most recent filings are registered to Test-Rite Products Corp..
How many trademarks does DURAMAX have at the USPTO?
WikiTrademarks tracks 10 USPTO trademark filings attributed to DURAMAX. The brand has been actively filing since August 1994. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DURAMAX file most often?
DURAMAX's most active class is NICE Class 7 (Machinery), with 2 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DURAMAX trademark?
The most recent filings under the DURAMAX mark are registered to Test-Rite Products Corp.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DURAMAX expanding into new categories?
The current WikiTrademarks Expansion Score for DURAMAX is 34 out of 100, which is low — the brand is focused on defending its existing categories rather than expanding. The score combines NICE class breadth, filing velocity, and the rate of cross-class movement from the brand's filing history.
How can I track new DURAMAX trademark filings?
Click the Watch Brand button at the top of this page to add DURAMAX to your Watchlist. New filings show up on your WikiTrademarks dashboard within 24 to 48 hours of being public, alongside any class expansions, status changes, or assignment events.
More on this portfolio: Compare DURAMAX to another owner · Browse all NICE classes · Most valuable brands