LIQUISEP 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 0/100, low — the brand is focused on defending its existing categories rather than expanding.
USPTO data refreshed June 14, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
1 record| Date | From | To |
|---|---|---|
| Feb 15, 2016 |
POROUS MEDIA CORPORATION
|
PENTAIR FILTRATION SOLUTIONS, LLC
HANOVER PARK, ILLINOIS
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 76614729 | LIQUISEP | Oct 04, 2004 | Abandoned | 011 Lighting & HVAC | PENTAIR FILTRATION SOLUTIONS, LLC |
Weekly visibility reports showing how ChatGPT mentions LIQUISEP, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: LIQUISEP trademark portfolio
What trademarks does LIQUISEP hold?
LIQUISEP 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 PENTAIR FILTRATION SOLUTIONS, LLC.
How many trademarks does LIQUISEP have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to LIQUISEP. The brand has been actively filing since October 2004. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does LIQUISEP file most often?
LIQUISEP'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 LIQUISEP trademark?
The most recent filings under the LIQUISEP mark are registered to PENTAIR FILTRATION SOLUTIONS, LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is LIQUISEP expanding into new categories?
The current WikiTrademarks Expansion Score for LIQUISEP 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 LIQUISEP trademark filings?
Click the Watch Brand button at the top of this page to add LIQUISEP 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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