HYDRO-CHEM 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 0/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 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 |
|---|---|---|---|---|---|
| 79230643 | HYDRO-CHEM | Dec 05, 2017 | Pending | 011 Lighting & HVAC | Linde GmbH |
| 74670089 | HYDRO-CHEM | May 05, 1995 | Abandoned | 009 Electronics & Software | WILLIAMS FIRE & HAZARD, LLC |
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FAQ: HYDRO-CHEM trademark portfolio
What trademarks does HYDRO-CHEM hold?
HYDRO-CHEM holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 9 (Electronics & Software), Class 11 (Lighting & HVAC). The most recent filings are registered to Linde GmbH.
How many trademarks does HYDRO-CHEM have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to HYDRO-CHEM. The brand has been actively filing since May 1995. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does HYDRO-CHEM file most often?
HYDRO-CHEM'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 HYDRO-CHEM trademark?
The most recent filings under the HYDRO-CHEM mark are registered to Linde GmbH. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is HYDRO-CHEM expanding into new categories?
The current WikiTrademarks Expansion Score for HYDRO-CHEM 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 HYDRO-CHEM trademark filings?
Click the Watch Brand button at the top of this page to add HYDRO-CHEM 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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