WK FILTER AIR FILTERS 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 31/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed October 24, 2026
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Filing Velocity (24 Months)
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Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99820223 | WK FILTER AIR FILTERS | May 13, 2026 | Registered | 011 Lighting & HVAC 035 Advertising & Business | IQ-Multi-Filtration UG |
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FAQ: WK FILTER AIR FILTERS trademark portfolio
What trademarks does WK FILTER AIR FILTERS hold?
WK FILTER AIR FILTERS holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 11 (Lighting & HVAC), Class 35 (Advertising & Business). The most recent filings are registered to IQ-Multi-Filtration UG.
How many trademarks does WK FILTER AIR FILTERS have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to WK FILTER AIR FILTERS. The brand has been actively filing since May 2026. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does WK FILTER AIR FILTERS file most often?
WK FILTER AIR FILTERS'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 WK FILTER AIR FILTERS trademark?
The most recent filings under the WK FILTER AIR FILTERS mark are registered to IQ-Multi-Filtration UG. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is WK FILTER AIR FILTERS expanding into new categories?
The current WikiTrademarks Expansion Score for WK FILTER AIR FILTERS is 31 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 WK FILTER AIR FILTERS trademark filings?
Click the Watch Brand button at the top of this page to add WK FILTER AIR FILTERS 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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