Trademarks / Classes / Class 11
Trademark class

Class 11: Environmental Control Apparatus trademarks

Goods class

Class 11 keeps buildings livable. Lighting, heating, cooling, cooking, and plumbing equipment all register here - which in 2026 includes a wave of smart home devices whose apps live in Class 9 while the hardware lives here.

What belongs here

Light fixtures, HVAC equipment, ovens and stoves, refrigerators, water heaters, air purifiers, faucets and sanitary installations.

Often filed alongside

Class 9 for the app controlling the device, Class 37 for the installers.

Cl. 9 Electrical & Scientific ApparatusCl. 37 Building Construction & Repair
FROM THE LIBRARY

Records in this class

Every record here is pulled straight from USPTO data. This is our library, not the full class register.

AllLivePendingDead
ZEISS IKON↗
ZEISS IKON AG
Cl. 006Cl. 011
Dead · Expired
Aug 08, 1974
AIR MONSTER↗
MAXUS CORPORATION OF AMERICA
Cl. 011
Dead · Cancelled
Jun 01, 1998
AIOT↗
Sharp Kabushiki Kaisha
Cl. 007Cl. 009Cl. 011Cl. 021Cl. 028Cl. 035Cl. 036Cl. 037Cl. 038Cl. 041Cl. 042Cl. 043Cl. 044Cl. 045
Dead · Cancelled
Electrical & Scientific Apparatus
Apr 27, 2017
AIOT↗
Sharp Kabushiki Kaisha
Cl. 007Cl. 009Cl. 011Cl. 021Cl. 028Cl. 035Cl. 036Cl. 037Cl. 038Cl. 041Cl. 042Cl. 043Cl. 044Cl. 045Suppl. register
Live · Registered
Electrical & Scientific Apparatus
Jul 08, 2024
24H LE MANS↗
AUTOMOBILE CLUB DE L'OUEST (A.C.O.)
Cl. 011Cl. 012Cl. 014Cl. 025Cl. 030
Live · Registered
Clothing
Jul 26, 2023
APURE MINUS↗
APURE HOLDING LLC
Cl. 011
Dead · Cancelled
Sep 21, 2016
MINUS FORTY↗
MINUS FORTY QBD CORP.
Cl. 007Cl. 009Cl. 011
Live · Registered
Electrical & Scientific Apparatus
Oct 25, 2006
BERTIL PETTERSSON ENERGY BALANCE + & - WWW.PLUSMINUS.SE PLUS & MINUS↗
Plus & Minus AB
Cl. 011Cl. 031Cl. 032
Dead · Refused
Light Beverages
Aug 18, 2005
MARNUS↗
Shenzhen Chixun Technology Co., Ltd.
Cl. 011
Live · Registered
Sep 08, 2020
MINUS FORTY TECHNOLOGIES CORP.↗
MINUS FORTY QBD CORP.
Cl. 011Cl. 037
Dead · Cancelled
Sep 20, 2011
MANU-ROLL↗
CAMBRIDGE FILTER CORPORATION
Cl. 011
Dead · Expired
Jan 16, 1964
YOU KNOW IT'S COLD WHEN IT'S MINUS FORTY↗
MINUS FORTY QBD CORP.
Cl. 011Cl. 037
Live · Registered
Aug 07, 2015
MANTUS MARINE↗
Mantus Anchors LLC
Cl. 006Cl. 007Cl. 009Cl. 011Cl. 012Cl. 022
Live · Registered
Electrical & Scientific Apparatus
Sep 30, 2024
MASTER CHEF↗
Hopper Radio of Florida, Inc.
Cl. 007Cl. 011
Dead · Refused
May 05, 2000
MASTER CHEF↗
Northland Corporation
Cl. 011
Dead · Withdrawn
Jun 16, 2000
MASTER CHEF SERIES↗
LLOYDS IP HOLDINGS, LLC
Cl. 011
Dead · Cancelled
Feb 26, 2002
MASTER CHEF COLLECTION↗
Miele, Inc.
Cl. 011
Dead · Refused
Feb 13, 2002
MASTER CHEF COLLECTION↗
Miele, Inc.
Cl. 011
Dead · Refused
Sep 30, 2003
MASTER CHEF KITCHEN APPLIANCES↗
Master Chef Inc.
Cl. 011
Dead · Refused
Jan 12, 2018
MASTER-CHEF↗
I.G.S. International Global Sources LLC
Cl. 007Cl. 011
Dead · Refused
Oct 14, 2024
MASTER CHEF, MASTER-CHEF↗
I.G.S. International Global Sources LLC
Cl. 011
Dead · Refused
Feb 22, 2025
MIELE MASTERCHEF GOURMET↗
MIELE, INC.
Cl. 011
Dead · Refused
Aug 27, 2012
HARTMAN MASTERCHEF↗
Hartman Enterprises B. V.
Cl. 011Cl. 020Cl. 021
Dead · Refused
Jun 02, 2014
M MASTERCHEF↗
Shine TV Limited
Cl. 011
Live · Registered
May 22, 2023
MASTERCHEF EXPRESS↗
INTEGRATED SYSTEMS HOLDINGS, INC.
Cl. 011
Dead · Refused
Nov 18, 1998

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