IPC Main Group
A24D 3/00 Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
Introduced: January 1980
Last revised: January 2020
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
Related Keywords
filter-tips for CIGARETTE(S)FILTER(S) tips for cigars or cigarettesMOUTHPIECES for cigars or cigarettesTIP(S) for cigars or cigarettes
5 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- A24D 3/02 Manufacture of tobacco smoke filters
- A24D 3/04 Tobacco smoke filters characterised by their shape or structure
- A24D 3/06 Use of materials for tobacco smoke filters
- A24D 3/17 Filters specially adapted for simulated smoking devices
- A24D 3/18 Mouthpieces of cigars or cigarettes; Manufacture thereof
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