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Design Class 23-03: Heating equipment

Subclass 23-03 of Class 23 (fluid distribution equipment, sanitary, heating, ventilation and air-conditioning equipment, solid fuel), with the goods listed in it.

Locarno Classification, 15th Edition47 listed goods
Class23

Fluid distribution equipment, sanitary, heating, ventilation and air-conditioning…

Locarno · 15th Edition
Listed goods47

Indications in the list of goods of this subclass.

Locarno · 15th Edition · 23-03
Classes per applicationOne

The same design in another class needs a separate application.

Designs Rules 2001 · rule 11(3)
List of goods

Goods in Design Class 23-03

ID No.Article
103755Air humidifiers for heating radiators
103725Animal or plant husbandry heaters
103752Ashpan sifters
103750Atomic piles
103745Bakers' ovens
103743Bath heaters
103756Bleeding taps for heating radiators
103721Braziers
103744Brick and tile kilns
103757Bunsen burners
103722Burners [heating]
103754Control panels for bath heaters
103758Convectors
103741Draught regulators [heating]
103739Draught regulators for fireplaces
103748Fire grates
103731Flame deflectors for oil-fired heating devices
103762Flued stoves
103728Footwarmers
103759Furnaces Hearths
104612Garden fireplaces
103729Gas fireplaces
103733Glassmaking furnaces
103760Heat recuperators
103761Heating boilers
105115Heating boilers for water-heated mattress pads
103724Heating equipment
103747Hot air generators
103720Igniters for gaseous fuel burners
103730Indoor fireplaces
103749Infrared lamps for heating
103751Intake pipes for central heating
103742Jets for gas burners
103723Mantelpieces for fireplaces
103736Nuclear reactors
103763Outdoor heaters
103734Ovens [industrial]
103732Pottery kilns
103738Radiators for heating
103740Sauna heaters
103746Smelting furnaces [electric]
103753Solar heat collectors
103735Steam boilers for heating
103737Stoves [heating]
104901Waste heat recovery units
103727Water heaters [electric]
103726Water heaters [gas]

Words in square brackets explain the article; they are part of the indication.

Class 23

Other Subclasses of Class 23

SubclassArticles coveredListed goods
23-01Fluid distribution equipment63
23-02[vacant]0
23-03Heating equipment47
23-04Ventilation and air-conditioning equipment20
23-05Solid fuel7
23-06Sanitary appliances for hygienic purposes22
23-07Equipment for urination and defecation17
23-08Other sanitary equipment and accessories, not included in other classes or subclasses21
23-99Miscellaneous8
Filing in India

Using Class 23-03 in a Design Application

The Designs Office classifies articles by the current edition of the Locarno Classification (rule 10(1), Designs Rules, 2001). The application in Form 1 must state the class and the article to which the design is applied.

  • Name the article in the words of the list where they fit, and give the class and subclass.
  • One application covers one class. To register the same design in another class of article, file a separate application in that class.
  • If the class is in doubt, the Controller decides it, in consultation with the applicant where required.

Official documents behind this page

  1. WIPO, Locarno Classification, 15th EditionIn force from 1 January 2025: classes, subclasses, explanatory notes and the list of goods. Source: World Intellectual Property Organization (WIPO), which holds the copyright in the Classification.
  2. Designs Rules, 2001, rule 10(1), as substituted by the Designs (Amendment) Rules, 2021Articles are classified as per the current edition of the Locarno Classification published by WIPO.
  3. Designs Act, 2000, section 5(3), and Designs Rules, 2001, rule 11(2) and (3)A design is registered in one class; the application states the class and the article; the same design in another class needs a separate application.

Disclaimer: This guide is general information based on the law and notifications in force when it was last updated. It is not professional advice for your case — rates, thresholds and due dates change, so check the current position with the official source before you act on it.

People also ask

Questions, answered

Short, direct answers to the 2 questions readers ask most on this topic.

Subclass 23-03 covers heating equipment. Examples from the list: Air humidifiers for heating radiators; Animal or plant husbandry heaters; Ashpan sifters; Atomic piles; Bakers' ovens; Bath heaters.

Form 1 must state the class in which the design is to be registered and the article to which it is applied (rule 11(2), Designs Rules, 2001). Give the Locarno class and subclass, here 23-03.