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.
| Subclass | Item No. | Chinese | English |
|---|---|---|---|
| 23-04 | 103775 | 通风管 | Ventilation ducts |
| 23-04 | 103774 | 通风栅格 | Ventilation grids |
| 23-04 | 103769 | 通风阀 | Ventilation valves |
| 23-04 | 103776 | 通风机叶片 | Ventilator blades |
| 23-04 | 105259 | 可穿戴空调 | Wearable air conditioners |
| 23-05 | 103781 | 煤球［燃料］ | Briquettes [fuel] |
| 23-05 | 103782 | 木炭 | Charcoal |
| 23-05 | 103783 | 煤 | Coal |
| 23-05 | 103778 | 煤球 | Coal briquettes |
| 23-05 | 103779 | 引燃物 | Fire starters |
| 23-05 | 103780 | 小煤块［燃料］ | Nuts [fuel] |
| 23-05 | 103784 | 固体燃料 | Solid fuels |
| 23-06 | 103673 | 婴儿浴盆 | Baby baths |
| 23-06 | 103671 | 浴盆，浴缸 | Bath tubs |
| 23-06 | 103672 | 坐浴用浴缸 | Bath tubs for sitz-baths |
| 23-06 | 103675 | 坐浴盆，妇洗器 | Bidets |
| 23-06 | 104315 | 洗头盆 | Hair washing basins |
| 23-06 | 103670 | 热气浴设备 | Hot air bath appliances |
| 23-06 | 103711 | 隔离舱［放松用］ | Isolation tanks [for relaxation] |
| 23-06 | 103717 | 溢流口 | Overflows |
| 23-06 | 103715 | 水槽塞子 | Plugs for sinks |
| 23-06 | 103694 | 桑拿浴室，蒸汽浴室 | Saunas |
| 23-06 | 103669 | 淋浴房 | Shower cabinets |
| 23-06 | 103716 | 淋浴房底盘 | Shower trays |
| 23-06 | 103686 | 淋浴器 | Showers |