MEMBRA-CEL 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 October 8, 2026
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Filing Velocity (24 Months)
Nice Class Distribution
Activity Timeline
No activity recorded yet.
Ownership & Assignment History
3 records| Date | From | To |
|---|---|---|
| Feb 26, 2014 |
VISKASE COMPANIES, INC.
|
UBS AG, STAMFORD BRANCH, AS COLLATERAL A...
STAMFORD, CONNECTICUT
|
| Feb 21, 2014 |
VISKASE COMPANIES, INC.
|
UBS AG, STAMFORD BRANCH
STAMFORD, CONNECTICUT
|
| Jan 31, 2014 |
U.S. BANK NATIONAL ASSOCIATION
|
VISKASE COMPANIES, INC.
DARIEN, ILLINOIS
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 78563057 | MEMBRA-CEL | Feb 08, 2005 | Abandoned | 011 Lighting & HVAC | Viskase Companies, Inc. |
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FAQ: MEMBRA-CEL trademark portfolio
What trademarks does MEMBRA-CEL hold?
MEMBRA-CEL 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 Viskase Companies, Inc..
How many trademarks does MEMBRA-CEL have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to MEMBRA-CEL. The brand has been actively filing since February 2005. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does MEMBRA-CEL file most often?
MEMBRA-CEL'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 MEMBRA-CEL trademark?
The most recent filings under the MEMBRA-CEL mark are registered to Viskase Companies, Inc.. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is MEMBRA-CEL expanding into new categories?
The current WikiTrademarks Expansion Score for MEMBRA-CEL 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 MEMBRA-CEL trademark filings?
Click the Watch Brand button at the top of this page to add MEMBRA-CEL 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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