51300C 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 23, 2026
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Filing Velocity (24 Months)
Filing Activity by NICE Class
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99003454 | 51300C FILTER | Jan 16, 2025 | Registered | 011 Lighting & HVAC | He Ting |
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FAQ: 51300C FILTER trademark portfolio
What trademarks does 51300C FILTER hold?
51300C 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 He Ting.
How many trademarks does 51300C FILTER have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to 51300C FILTER. The brand has been actively filing since January 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does 51300C FILTER file most often?
51300C 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 51300C FILTER trademark?
The most recent filings under the 51300C FILTER mark are registered to He Ting. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is 51300C FILTER expanding into new categories?
The current WikiTrademarks Expansion Score for 51300C 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 51300C FILTER trademark filings?
Click the Watch Brand button at the top of this page to add 51300C 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.
More on this portfolio: Compare 51300C FILTER to another owner · Browse all NICE classes · Most valuable brands
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