DURA-FILTER holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 11 (Lighting & HVAC) with 2 filings. The WikiTrademarks Expansion Score is 7/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed September 4, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99552758 | DURA-FILTER | Dec 17, 2025 | Registered | 011 Lighting & HVAC | Durafry Solutions International LLC |
| 99552787 | DURA-FILTER | Dec 17, 2025 | Registered | 011 Lighting & HVAC | Durafry Solutions International LLC |
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FAQ: DURA-FILTER trademark portfolio
What trademarks does DURA-FILTER hold?
DURA-FILTER holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 11 (Lighting & HVAC). The most recent filings are registered to Durafry Solutions International LLC.
How many trademarks does DURA-FILTER have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to DURA-FILTER. The brand has been actively filing since December 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DURA-FILTER file most often?
DURA-FILTER's most active class is NICE Class 11 (Lighting & HVAC), with 2 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DURA-FILTER trademark?
The most recent filings under the DURA-FILTER mark are registered to Durafry Solutions International LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DURA-FILTER expanding into new categories?
The current WikiTrademarks Expansion Score for DURA-FILTER is 7 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 DURA-FILTER trademark filings?
Click the Watch Brand button at the top of this page to add DURA-FILTER 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.
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