PRODUCTION, WORKING, STORING OR DISTRIBUTION OF ICE (frozen sweets, including ice-cream, their production A23G 9/00; concentrating solutions by removing frozen solvents B01D 9/04; purification of water by freezing C02F 1/22; refrigeration machines, plants, or systems F25B; solidification of gases or gaseous mixtures F25J; freeze-drying F26B)
| Subclass | Title |
|---|---|
| 1/00 | Production of ice (F25C 3/00 takes precedence) |
| 1/02 | Production of ice (F25C 3/00 takes precedence) Production of natural ice, i.e. without refrigeration |
| 1/04 | Production of ice (F25C 3/00 takes precedence) by using stationary moulds |
| 1/06 | Production of ice (F25C 3/00 takes precedence) by using stationary moulds open or openable at both ends |
| 1/08 | Production of ice (F25C 3/00 takes precedence) by immersing freezing chambers or plates into water |
