US Trademark Classification (Classes 01–45)

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.

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Class	Item No.	Chinese	English
37	037-761	石油和天然气工业机器清洁服务	Oil and gas industrial machine cleaning services
37	037-760	内燃机修理	Combustion engine repair
37	037-759	内燃机清洁服务	Combustion engine cleaning services
37	037-758	发电用发动机清洁服务	Power generation engine cleaning services
37	037-757	燃气轮机和内燃机效率升级领域的咨询	Consultation in the field of upgrades for gas turbine and combustion engine efficiency
37	037-756	燃气轮机和内燃机修复领域的咨询	Consultation in the field of gas turbine and combustion engine restoration
37	037-755	内燃机端盖大修服务	Combustion engine end cover overhaul services
37	037-754	母婴护理设备的修理和保养服务	Repair and maintenance services for maternal infant care equipment
37	037-753	燃气涡轮发动机清洁服务	Gas turbine engine cleaning services
37	037-752	缝纫机定制	Customization of sewing machines
37	037-751	超声设备的修理和保养服务，即超声探头	Repair and maintenance services for ultrasound equipment, namely, ultrasound probes
37	037-747	电气系统综合预防性维护服务	Comprehensive preventative maintenance service for electrical systems
37	037-746	施涂传统灰泥	Application of conventional stucco
37	037-745	室内抹灰服务	Interior plastering services
37	037-743	心脏病诊断设备的修理和保养服务	Repair and maintenance services for diagnostic cardiology equipment
37	037-742	麻醉和超声设备的修理和保养服务	Repair and maintenance services for anesthesia and ultrasound equipment
37	037-741	门的安装、维护和修理	Installation, maintenance and repair of doors
37	037-740	地面处理服务，即在地面施用化学制剂使其防滑以确保安全	Floor treatment services, namely, application of chemical preparations to floors to make them slip-resistant for safety purposes
37	037-74	水下建筑施工	Underwater building and construction
37	037-738	施涂防滑安全地面密封剂	Application of slip-resistant safety floor sealers
37	037-737	施涂防滑安全地面涂料和密封剂	Application of slip-resistant safety floor coatings and sealers
37	037-732	灯塔和灯船保护领域的咨询服务	Consulting services in the field of lighthouse and lightship preservation
37	037-731	提供在线信息，帮助客户选择用于建造和支撑路灯结构的合适基础	Providing on-line information to assist customers in selecting appropriate foundations for constructing and supporting street lighting structures
37	037-729	生物危害物清理服务	Bio-hazard biological clean-up services
37	037-1162	为{指明具体物品，例如木材、金属、皮革}施加保护涂层	Applying protective coatings to {indicate specific item, e.g. wood, metal, leather}