FILTRASORB SENTRY holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 1 (Chemicals) 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 August 21, 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 |
|---|---|---|---|---|---|
| 88847244 | FILTRASORB SENTRY | Mar 25, 2020 | Pending | 001 Chemicals | Calgon Carbon Corporation |
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FAQ: FILTRASORB SENTRY trademark portfolio
What trademarks does FILTRASORB SENTRY hold?
FILTRASORB SENTRY holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 1 (Chemicals). The most recent filings are registered to Calgon Carbon Corporation.
How many trademarks does FILTRASORB SENTRY have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to FILTRASORB SENTRY. The brand has been actively filing since March 2020. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does FILTRASORB SENTRY file most often?
FILTRASORB SENTRY's most active class is NICE Class 1 (Chemicals), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the FILTRASORB SENTRY trademark?
The most recent filings under the FILTRASORB SENTRY mark are registered to Calgon Carbon Corporation. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is FILTRASORB SENTRY expanding into new categories?
The current WikiTrademarks Expansion Score for FILTRASORB SENTRY 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 FILTRASORB SENTRY trademark filings?
Click the Watch Brand button at the top of this page to add FILTRASORB SENTRY 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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