ETERNAL FILTER holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 11 (Lighting & HVAC) with 1 filings. The WikiTrademarks Expansion Score is 1/100, 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)
Nice Class Distribution
Activity Timeline
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 98470709 | ETERNAL FILTER | Mar 27, 2024 | Registered | 011 Lighting & HVAC | Blu Technology LLC |
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FAQ: ETERNAL FILTER trademark portfolio
What trademarks does ETERNAL FILTER hold?
ETERNAL FILTER holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 11 (Lighting & HVAC). The most recent filings are registered to Blu Technology LLC.
How many trademarks does ETERNAL FILTER have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to ETERNAL FILTER. The brand has been actively filing since March 2024. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does ETERNAL FILTER file most often?
ETERNAL FILTER's most active class is NICE Class 11 (Lighting & HVAC), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the ETERNAL FILTER trademark?
The most recent filings under the ETERNAL FILTER mark are registered to Blu Technology LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is ETERNAL FILTER expanding into new categories?
The current WikiTrademarks Expansion Score for ETERNAL FILTER is 1 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 ETERNAL FILTER trademark filings?
Click the Watch Brand button at the top of this page to add ETERNAL 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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