HTH DURATION 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 June 14, 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 |
|---|---|---|---|---|---|
| 73530135 | HTH DURATION | Apr 01, 1985 | Pending | 001 Chemicals | INNOVATIVE WATER CARE, LLC |
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FAQ: HTH DURATION trademark portfolio
What trademarks does HTH DURATION hold?
HTH DURATION holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 1 (Chemicals). The most recent filings are registered to INNOVATIVE WATER CARE, LLC.
How many trademarks does HTH DURATION have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to HTH DURATION. The brand has been actively filing since April 1985. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does HTH DURATION file most often?
HTH DURATION'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 HTH DURATION trademark?
The most recent filings under the HTH DURATION mark are registered to INNOVATIVE WATER CARE, LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is HTH DURATION expanding into new categories?
The current WikiTrademarks Expansion Score for HTH DURATION 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 HTH DURATION trademark filings?
Click the Watch Brand button at the top of this page to add HTH DURATION 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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