DUR-O-SEAL holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 6 (Metal Goods) with 1 filings. The WikiTrademarks Expansion Score is 24/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 14, 2026
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Sign in to claimHow is DUR-O-SEAL filing trademarks, and where is the portfolio expanding?
Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99695937 | DUR-O-SEAL | Mar 11, 2026 | Registered | 006 Metal Goods | Hohmann & Barnard, Inc. |
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FAQ: DUR-O-SEAL trademark portfolio
What trademarks does DUR-O-SEAL hold?
DUR-O-SEAL holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 6 (Metal Goods). The most recent filings are registered to Hohmann & Barnard, Inc..
How many trademarks does DUR-O-SEAL have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to DUR-O-SEAL. The brand has been actively filing since March 2026. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DUR-O-SEAL file most often?
DUR-O-SEAL's most active class is NICE Class 6 (Metal Goods), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DUR-O-SEAL trademark?
The most recent filings under the DUR-O-SEAL mark are registered to Hohmann & Barnard, Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DUR-O-SEAL expanding into new categories?
The current WikiTrademarks Expansion Score for DUR-O-SEAL is 24 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 DUR-O-SEAL trademark filings?
Click the Watch Brand button at the top of this page to add DUR-O-SEAL 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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