HD HYDROGEN holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software) with 1 filings. The WikiTrademarks Expansion Score is 5/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed July 6, 2026
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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 |
|---|---|---|---|---|---|
| 79422853 | HD HYDROGEN | Feb 18, 2025 | Registered | 009 Electronics & Software 037 Construction & Repair 040 Material Treatment 042 Science & Technology | HD HYUNDAI CO., LTD. |
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FAQ: HD HYDROGEN trademark portfolio
What trademarks does HD HYDROGEN hold?
HD HYDROGEN holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software), Class 37 (Construction & Repair), Class 40 (Material Treatment). The most recent filings are registered to HD HYUNDAI CO., LTD..
How many trademarks does HD HYDROGEN have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to HD HYDROGEN. The brand has been actively filing since February 2025. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does HD HYDROGEN file most often?
HD HYDROGEN's most active class is NICE Class 9 (Electronics & Software), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the HD HYDROGEN trademark?
The most recent filings under the HD HYDROGEN mark are registered to HD HYUNDAI CO., LTD.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is HD HYDROGEN expanding into new categories?
The current WikiTrademarks Expansion Score for HD HYDROGEN is 5 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 HD HYDROGEN trademark filings?
Click the Watch Brand button at the top of this page to add HD HYDROGEN 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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