DURAPURE 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 15, 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 19, 2026 |
AIR DISTRIBUTION TECHNOLOGIES IP, LLC
|
KOCH FILTER CORPORATION
LOUISVILLE, KENTUCKY
|
| Jun 17, 2014 |
ROYAL BANK OF CANADA
|
AIR SYSTEM COMPONENTS, INC.
PLANO, TEXAS
RUSKIN COMPANY, A DELAWARE CORPORATION
GRANDVIEW, MISSOURI
H&C MILCOR, INC., A DELAWARE CORPORATION
GRAND RAPIDS, MICHIGAN
KOCH FILTER CORPORATION, A KENTUCKY CORP...
LOUISVILLE, KENTUCKY
EASTERN SHEET METAL, INC., AN OHIO CORPO...
CINCINNATI, OHIO
SELKIRK CORPORATION, A DELAWARE CORPORAT...
GRAND RAPIDS, MICHIGAN
HART & COOLEY, INC., A DELAWARE CORPORAT...
GRAND RAPIDS, MICHIGAN
TOMKINS INDUSTRIES, INC., AND OHIO CORPO...
RICHARDSON, TEXAS
|
| Jun 17, 2014 |
ROYAL BANK OF CANADA
|
AIR SYSTEM COMPONENTS, INC
PLANO, TEXAS
RUSKIN COMPANY
GRANDVIEW, MISSOURI
H&C MILCOR, INC.
GRAND RAPIDS, MICHIGAN
KOCH FILTER CORPORATION, A KENTUCKY CORP...
LOUISVILLE, KENTUCKY
EASTERN SHEET METAL, INC.
CINCINNATI, OHIO
SELKIRK CORPORATION
GRAND RAPIDS, MICHIGAN
HART & COOLEY, INC
GRAND RAPIDS, MICHIGAN
TOMKINS INDUSTRIES, INC.
RICHARDSON, TEXAS
|
Recent Filings
| Serial No. | Mark | Filing Date | Status | Classes | Owner |
|---|---|---|---|---|---|
| 85111547 | DURAPURE | Aug 19, 2010 | Abandoned | 011 Lighting & HVAC | KOCH FILTER CORPORATION |
Weekly visibility reports showing how ChatGPT mentions DURAPURE, where you rank in the answer, the sentiment of the mention, and which sources ChatGPT cites.
FAQ: DURAPURE trademark portfolio
What trademarks does DURAPURE hold?
DURAPURE 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 KOCH FILTER CORPORATION.
How many trademarks does DURAPURE have at the USPTO?
WikiTrademarks tracks 1 USPTO trademark filings attributed to DURAPURE. The brand has been actively filing since August 2010. The count updates daily as new filings are indexed from the USPTO bulk data feed.
In which NICE classes does DURAPURE file most often?
DURAPURE'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 DURAPURE trademark?
The most recent filings under the DURAPURE mark are registered to KOCH FILTER CORPORATION. Trademark ownership can shift through assignments — see the Ownership & Assignment History section on this page for the full chain of title.
Is DURAPURE expanding into new categories?
The current WikiTrademarks Expansion Score for DURAPURE 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 DURAPURE trademark filings?
Click the Watch Brand button at the top of this page to add DURAPURE 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 DURAPURE to another owner · Browse all NICE classes · Most valuable brands