DUROSTONE holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 7 (Machinery) with 1 filings. The WikiTrademarks Expansion Score is 4/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed August 15, 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 |
|---|---|---|---|---|---|
| 79253247 | DUROSTONE | Sep 13, 2018 | Pending | 007 Machinery 009 Electronics & Software 017 Rubber & Insulation | Röchling Industrial SE & Co. KG |
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FAQ: DUROSTONE trademark portfolio
What trademarks does DUROSTONE hold?
DUROSTONE holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 7 (Machinery), Class 9 (Electronics & Software), Class 17 (Rubber & Insulation). The most recent filings are registered to Röchling Industrial SE & Co. KG.
How many trademarks does DUROSTONE have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to DUROSTONE. The brand has been actively filing since September 2018. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DUROSTONE file most often?
DUROSTONE's most active class is NICE Class 7 (Machinery), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the DUROSTONE trademark?
The most recent filings under the DUROSTONE mark are registered to Röchling Industrial SE & Co. KG. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DUROSTONE expanding into new categories?
The current WikiTrademarks Expansion Score for DUROSTONE is 4 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 DUROSTONE trademark filings?
Click the Watch Brand button at the top of this page to add DUROSTONE 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 DUROSTONE to another owner · Browse all NICE classes · Most valuable brands
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