Class 11 · Goods
Trademark class 11: Environmental control apparatus
Class 11 covers environmental control apparatus. There are 335,167 US trademark records in this class — here's who files in it, what state they're in, and how to search it.
Last updated Updated daily from USPTO data
At a glance
Who files in class 11
Registration status
Owner country
Status and country distributions are facet counts across the class, refreshed daily.
Registered marks in class 11
| Mark | Owner | Serial |
|---|---|---|
| DYNALLOY | PALL CORPORATION | 72218633 |
| ALUMIGATOR | REINKE MANUFACTURING COMPANY, INC. | 73039165 |
| FRIGIDAIRE | ELECTROLUX CONSUMER PRODUCTS, INC. | 71646936 |
| AMERICAN DRYER | AMERICAN DRYER, INC. | 71659841 |
| BA-RO | BA-RO GMBH & CO. KG | 73473389 |
| SIGMASTAR | API SCHMIDT-BRETTEN GMBH & CO. KG | 73486235 |
Searching class 11 from the API
Scope any search to this class:
curl "https://api.markbase.co/search?q=acme&international_code=11"
Or screen a proposed name against just this class before you commit to it:
curl "https://api.markbase.co/clearance?mark=yourbrand&class=11"
Browse all 45 classes to find the ones matching what you sell.
Screen a name in class 11
No key needed on the free tier — check your brand against this class right now.
Frequently asked questions
What does trademark class 11 cover?
Class 11 covers environmental control apparatus. It is one of the 45 Nice Classification classes and sits in the goods range (1–34).
How many trademarks are registered in class 11?
Markbase's index currently holds 335,167 US trademark records in class 11, counted from the USPTO's daily bulk data across both live and dead marks.
Do I need to file in class 11?
Only if your actual goods or services fall within environmental control apparatus. Each class is a separate USPTO filing fee, and rights are generally limited to the classes you register in.
How do I check if a name is taken in class 11?
Call the clearance endpoint scoped to the class: GET /clearance?mark=yourname&class=11. It returns existing marks ranked by similarity with a risk level, so you can screen a name before committing to it.