PYREX holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 21 (Housewares) 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 June 17, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 71087861 | PYREX | Jul 10, 1915 | Abandoned | 021 Housewares | CORNING INCORPORATED |
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FAQ: PYREX trademark portfolio
What trademarks does PYREX hold?
PYREX holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 21 (Housewares). The most recent filings are registered to CORNING INCORPORATED.
How many trademarks does PYREX have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to PYREX. The brand has been actively filing since July 1915. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does PYREX file most often?
PYREX's most active class is NICE Class 21 (Housewares), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the PYREX trademark?
The most recent filings under the PYREX mark are registered to CORNING INCORPORATED. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is PYREX expanding into new categories?
The current WikiTrademarks Expansion Score for PYREX 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 PYREX trademark filings?
Click the Watch Brand button at the top of this page to add PYREX 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 PYREX to another owner · Browse all NICE classes · Most valuable brands
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