ELKAY holds 3 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 11 (Lighting & HVAC) with 2 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 |
|---|---|---|
| Mar 4, 2016 |
ELKAY MANUFACTURING COMPANY
ELKAY DELAWARE CORPORATION
|
ELKAY MANUFACTURING COMPANY
OAK BROOK, ILLINOIS
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 73658518 | ELKAY | May 01, 1987 | Abandoned | 011 Lighting & HVAC | EMC WATER LLC |
| 72101766 | ELKAY | Aug 01, 1960 | Abandoned | 006 Metal Goods 020 Furniture | EMC WATER LLC |
| 72058024 | ELKAY | Aug 28, 1958 | Abandoned | 011 Lighting & HVAC | EMC WATER LLC |
Weekly visibility reports showing how ChatGPT mentions ELKAY, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: ELKAY trademark portfolio
What trademarks does ELKAY hold?
ELKAY holds 3 USPTO trademark filings across 0 NICE classes. The largest concentration is in Class 11 (Lighting & HVAC), Class 6 (Metal Goods), Class 20 (Furniture). The most recent filings are registered to EMC WATER LLC.
How many trademarks does ELKAY have at the USPTO?
WikiTrademarks tracks 3 USPTO trademark filings attributed to ELKAY. The brand has been actively filing since August 1958. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does ELKAY file most often?
ELKAY's most active class is NICE Class 11 (Lighting & HVAC), with 2 filings. The full distribution across all 0 classes is shown in the Nice Class Distribution panel on this page.
Who owns the ELKAY trademark?
The most recent filings under the ELKAY mark are registered to EMC WATER LLC. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is ELKAY expanding into new categories?
The current WikiTrademarks Expansion Score for ELKAY 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 ELKAY trademark filings?
Click the Watch Brand button at the top of this page to add ELKAY 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 ELKAY to another owner · Browse all NICE classes · Most valuable brands