• All sections
• A - Human necessities
• A23L - Foods, foodstuffs, or non-alcoholic beverages, not covered by subclasses or ; their preparation or treatment, e.g. cooking, modification of nutritive qualities, physical treatment ; preservation of foods or foodstuffs, in general
• A23L 3/22 - Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by heating loose unpacked materials while they are progressively transported through the apparatus with transport through tubes

Patent holdings for IPC class A23L 3/22

Total number of patents in this class: 130

10-year publication summary

Principal owners for this class