Skip to main content
Back to Directory Index

US Trademark Classification

Data version: USPTO Trademark ID Manual (Acceptable Identification of Goods and Services), applying the Nice Classification, 13th edition (NCL 13-2026). Official data retrieved on 1 October 2026 and published on this site the same day: 71,543 entries (including 2,932 example entries). Term IDs, classes, English descriptions, status and effective dates follow the USPTO; Chinese terms are J&C reference translations. The "version" shown for each entry is the Nice edition under which it was added or last modified. We synchronise with the USPTO periodically; the next update is planned for January 2027. Translation revision: 13 October 2026. Reviewed Chinese reference notes are available for 6,984 entries; other substantive notes are shown in the official English.

Filing a trademark in the United States? See our guide: Trademark registration in the United States

Class Item No. Chinese English
11 011-4396 工业用空气过滤器 Air filters for industrial use
11 011-4397 空气处理机组 Air-handling units
11 011-4398 空气处理机组 Air handling units
11 011-4399 空气加热器 Air heaters
11 011-4400 空气加热设备 Air heating apparatus
11 011-4401 农用空气加热设备 Air heating apparatus for agricultural use
11 011-4402 商用空气加热设备 Air heating apparatus for commercial use
11 011-4403 工业用空气加热设备 Air heating apparatus for industrial use
11 011-4404 住宅用空气加热设备 Air heating apparatus for residential use
11 011-4405 热风炉 Air heating furnaces
11 011-4406 电空气净化器 Air purifiers, electric
11 011-4407 电空气净化器 Electric air purifiers
11 011-4409 空气净化设备 Air purification apparatus
11 011-4410 净化空气的设备 Apparatus for purifying air
11 011-4411 空气净化机 Air purifying machines
11 011-4412 空气净化机组 Air purifying units
11 011-4413 商用空气净化装置 Air purifying units for commercial use
11 011-4414 家用空气净化装置 Air purifying units for household purposes
11 011-4415 家用空气净化装置 Air purifying units for household use
11 011-4416 工业用空气净化装置 Air purifying units for industrial purposes
11 011-4417 工业用空气净化装置 Air purifying units for industrial use
11 011-4418 家用空气消毒器 Air sterilisers for household purposes
11 011-4419 家用空气消毒器 Air sterilizers for household use
11 011-4420 家用空气消毒器 Air sterilisers for household use
11 011-4421 动物饲料干燥设备 Animal feed drying apparatus