HSLS holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 1 (Chemicals) 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
6 records| Date | From | To |
|---|---|---|
| Feb 2, 2026 |
WILMINGTON TRUST, NATIONAL ASSOCIATION
|
W. R. GRACE & CO.-CONN.
COLUMBIA, MARYLAND
ADVANCED REFINING TECHNOLOGIES LLC
COLUMBIA, MARYLAND
|
| Jan 29, 2026 |
W. R. GRACE & CO.- CONN.
ADVANCED REFINING TECHNOLOGIES LLC
|
WILMINGTON TRUST, NATIONAL ASSOCIATION,...
WETHERSFIELD, CONNECTICUT
|
| Jan 23, 2026 |
W. R. GRACE & CO.-CONN.
ADVANCED REFINING TECHNOLOGIES LLC
|
WILMINGTON TRUST, NATIONAL ASSOCIATION
WETHERSFIELD, CONNECTICUT
|
| Jan 23, 2026 |
W. R. GRACE & CO.-CONN.
ADVANCED REFINING TECHNOLOGIES LLC
|
WILMINGTON TRUST, NATIONAL ASSOCIATION
WETHERSFIELD, CONNECTICUT
|
| Jan 23, 2026 |
W. R. GRACE & CO.-CONN.
ADVANCED REFINING TECHNOLOGIES LLC
|
WILMINGTON TRUST, NATIONAL ASSOCIATION
WETHERSFIELD, CONNECTICUT
|
| Jan 22, 2026 |
W. R. GRACE & CO.- CONN.
ADVANCED REFINING TECHNOLOGIES LLC
|
JPMORGAN CHASE BANK, N.A., AS COLLATERAL...
CHICAGO, ILLINOIS
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 77724745 | HSLS | Apr 29, 2009 | Abandoned | 001 Chemicals | Advanced Refining Technologies, LLC |
Weekly visibility reports showing how ChatGPT mentions HSLS, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: HSLS trademark portfolio
What trademarks does HSLS hold?
HSLS holds 1 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 1 (Chemicals). The most recent filings are registered to Advanced Refining Technologies, LLC.
How many trademarks does HSLS have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to HSLS. The brand has been actively filing since April 2009. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does HSLS file most often?
HSLS's most active class is NICE Class 1 (Chemicals), with 1 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the HSLS trademark?
The most recent filings under the HSLS mark are registered to Advanced Refining Technologies, LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is HSLS expanding into new categories?
The current WikiTrademarks Expansion Score for HSLS 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 HSLS trademark filings?
Click the Watch Brand button at the top of this page to add HSLS 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 HSLS to another owner · Browse all NICE classes · Most valuable brands