HYH-BULB holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 11 (Lighting & HVAC) 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 November 13, 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 |
|---|---|---|---|---|---|
| 90728334 | HYH-BULB | May 22, 2021 | Pending | 011 Lighting & HVAC | Yuxuan (Guangzhou) International Trade Co., Ltd. |
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FAQ: HYH-BULB trademark portfolio
What trademarks does HYH-BULB hold?
HYH-BULB holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 11 (Lighting & HVAC). The most recent filings are registered to Yuxuan (Guangzhou) International Trade Co., Ltd..
How many trademarks does HYH-BULB have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to HYH-BULB. The brand has been actively filing since May 2021. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does HYH-BULB file most often?
HYH-BULB's most active class is NICE Class 11 (Lighting & HVAC), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the HYH-BULB trademark?
The most recent filings under the HYH-BULB mark are registered to Yuxuan (Guangzhou) International Trade Co., Ltd.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is HYH-BULB expanding into new categories?
The current WikiTrademarks Expansion Score for HYH-BULB 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 HYH-BULB trademark filings?
Click the Watch Brand button at the top of this page to add HYH-BULB 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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