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Locarno Classification for Industrial Designs

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
23-01 103666 花园浇花用软管 Garden hoses
23-01 104814 地漏格栅［户内外的］ Grates for floor drains [indoor and outdoor]
23-01 104694 下水道格栅 Gratings for storm drains
23-01 103643 檐沟，排水槽 Gutters
23-01 103620 给水栓 Hydrants
23-01 103651 液压输出调节器 Hydraulic output regulators
23-01 104630 灌溉设备 Irrigation installations
23-01 103631 管接头 Joints for pipes
23-01 103637 草地洒水器，草地喷灌器 Lawn sprinklers
23-01 103658 落水管树叶格栅 Leaf gratings for down pipes
23-01 103652 混合龙头 Mixing taps
23-01 103659 管子连接环，管子密封环 Packing rings for tubes and pipes / Joint or packing rings for tubes and pipes / Joint rings for tubes and pipes
23-01 103657 盘管密封接头 Pipe and plate packed joints
23-01 103638 混凝土或水泥制管 Pipes of concrete or cement
23-01 103632 减压器，节流器［管配件］ Pressure reducers [pipe fittings]
23-01 103624 煤气减压器 Pressure reducers for gas
23-01 103640 硬管 Rigid piping
23-01 104695 排水沟格栅安全装置 Safety devices for drain gratings
23-01 103655 贮水器安全阀 Safety valves for cisterns
23-01 103705 除臭用下水道弯管 Sewer traps
23-01 103636 流体移注虹吸管 Siphons for decanting liquids
23-01 103656 水闸门 Sluice gates
23-01 103662 泥浆槽 Slurry tanks
23-01 103667 水槽的喷洒装置 Sprinklers for sinks
23-01 103642 消防竖管、室外消防栓 Standpipes