IPC Subgroup
A24D 3/18 Mouthpieces of cigars or cigarettes; Manufacture thereof
Introduced: January 1980
Last revised: January 2006
Full Title
Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes > Mouthpieces of cigars or cigarettes; Manufacture thereof
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- Subclass:
- CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
Additional Content
Limiting references
Manufacture of tobacco smoke filters
Application references
Making tipping materials for, or attaching them to mouthpieces of, cigars or cigarettes
Top Applicants
Top 10 applicants by patent filingsfor class A24, 2013–2023, worldwide · Source: EPO PATSTAT
- PHILIP MORRIS PRODUCTS CH 13,201
- NICOVENTURES TRADING GB 7,482
- KT & G CORPORATION KR 4,818
- JAPAN TOBACCO JP 4,636
- JT INTERNATIONAL CH 3,806
- CHINA TOBACCO YUNNAN INDUSTRIAL COMPANY 2,490
- CHINA TOBACCO HENAN INDUSTRIAL 2,453
- CHINA TOBACCO HUBEI INDUSTRIAL 2,344
- BRITISH AMERICAN TOBACCO (INVESTMENTS) GB 2,199
- SHENZHEN FIRST UNION TECHNOLOGY COMPANY 2,097