QC3 holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 7 (Machinery) with 2 filings. The WikiTrademarks Expansion Score is 35/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed July 10, 2026
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Sign in to claimHow is QC3 filing trademarks, and where is the portfolio expanding?
Filing Velocity (24 Months)
Filing Activity by NICE Class
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
1 record| Date | From | To |
|---|---|---|
| Sep 19, 2016 |
ENTEK MANUFACTURING LLC
|
U.S. BANK NATIONAL ASSOCIATION, FOR ITSE...
MINNEAPOLIS, MINNESOTA
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 99737992 | QC3 | Apr 01, 2026 | Registered | 006 Metal Goods 007 Machinery 017 Rubber & Insulation 019 Building Materials 020 Furniture | AS Strömungstechnik Gesellschaft mit beschränkter Haftung |
| 86528411 | QC3 | Feb 09, 2015 | Abandoned | 007 Machinery | Entek Manufacturing LLC |
Weekly visibility reports showing how ChatGPT mentions QC3, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: QC3 trademark portfolio
What trademarks does QC3 hold?
QC3 holds 2 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 7 (Machinery), Class 6 (Metal Goods), Class 17 (Rubber & Insulation). The most recent filings are registered to AS Strömungstechnik Gesellschaft mit beschränkter Haftung.
How many trademarks does QC3 have at the USPTO?
WikiTrademarks tracks 2 USPTO trademark filings attributed to QC3. The brand has been actively filing since February 2015. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does QC3 file most often?
QC3's most active class is NICE Class 7 (Machinery), with 2 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the QC3 trademark?
The most recent filings under the QC3 mark are registered to AS Strömungstechnik Gesellschaft mit beschränkter Haftung. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is QC3 expanding into new categories?
The current WikiTrademarks Expansion Score for QC3 is 35 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 QC3 trademark filings?
Click the Watch Brand button at the top of this page to add QC3 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 QC3 to another owner · Browse all NICE classes · Most valuable brands
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