Locarno Classification for Industrial Designs
23 Fluid distribution equipment, sanitary, heating, ventilation and air-conditioning equipment, solid fuel
Data version: Locarno Classification, 15th edition (LOC 15, in force since 1 January 2025). Chinese terms follow the CNIPA Chinese edition; English terms are taken from WIPO. The 16th edition enters into force on 1 January 2027. Spanish terms are J&C reference translations; selected entries were revised or completed on 13 October 2026.