IPC Subgroup
A24B 3/18 Other treatment of leaves, e.g. puffing, crimpling, cleaning
Introduced: September 1968
Last revised: January 2006
Full Title
Preparing tobacco in the factory > Other treatment of leaves, e.g. puffing, crimpling, cleaning
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- Subclass:
- MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
Related Keywords
CLEANING tobaccoCRIMPING of tobaccoPUFFING tobacco in manufacture
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