IPC Classification

Class code (prefix) Descriptions Number of results
  • All sections
  • A - Human necessities
  • A24D - Cigars; cigarettes; tobacco smoke filters; mouthpieces for cigars or cigarettes; manufacture of tobacco smoke filters or mouthpieces
A24D 1/00 Cigars; Cigarettes
A24D 1/02 Cigars; Cigarettes with special covers
A24D 1/04 Cigars; Cigarettes with mouthpieces or filter-tips
A24D 1/08 Cigars; Cigarettes with lighting means
A24D 1/10 Cigars; Cigarettes with extinguishers
A24D 1/12 Cigars; Cigarettes with ash-retaining attachments, holders, or other equipment
A24D 1/14 Tobacco cartridges for pipes
A24D 1/16 Bands for cigars or cigarettes
A24D 1/18 Selection of materials, other than tobacco, suitable for smoking
A24D 1/20 Cigarettes specially adapted for simulated smoking devices
A24D 1/22 Cigarettes with integrated combustible heat sources, e.g. with carbonaceous heat sources
A24D 3/00 Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
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 3/08 Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
A24D 3/10 Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
A24D 3/12 Use of materials for tobacco smoke filters of ion exchange materials
A24D 3/14 Use of materials for tobacco smoke filters of organic materials as additive
A24D 3/16 Use of materials for tobacco smoke filters of inorganic materials
A24D 3/17 Filters specially adapted for simulated smoking devices
A24D 3/18 Mouthpieces for cigars or cigarettes; Manufacture thereof