DURADIAMOND 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 0/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed July 13, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
1 record| Date | From | To |
|---|---|---|
| Jan 26, 2026 |
GP USA HOLDING, LLC
|
GRANT PRIDECO, INC.
HOUSTON, TEXAS
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 75319307 | DURADIAMOND | Jul 03, 1997 | Abandoned | 007 Machinery | GRANT PRIDECO, INC. |
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FAQ: DURADIAMOND trademark portfolio
What trademarks does DURADIAMOND hold?
DURADIAMOND holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 7 (Machinery). The most recent filings are registered to GRANT PRIDECO, INC..
How many trademarks does DURADIAMOND have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to DURADIAMOND. The brand has been actively filing since July 1997. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DURADIAMOND file most often?
DURADIAMOND'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 DURADIAMOND trademark?
The most recent filings under the DURADIAMOND mark are registered to GRANT PRIDECO, INC.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DURADIAMOND expanding into new categories?
The current WikiTrademarks Expansion Score for DURADIAMOND is 0 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 DURADIAMOND trademark filings?
Click the Watch Brand button at the top of this page to add DURADIAMOND 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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