• All sections
• A - Human necessities
• A62D - Chemical means for extinguishing firesprocesses for making harmful chemical substances harmless, or less harmful, by effecting a chemical changecomposition of materials for coverings or clothing for protecting against harmful chemical agentscomposition of materials for transparent parts of gas-masks, respirators, breathing bags or helmetscomposition of chemical materials for use in breathing apparatus
• A62D 7/02 - Clear-view sheets which prevent the formation of water drops or ice

Patent holdings for IPC class A62D 7/02

Total number of patents in this class: 1

10-year publication summary

Principal owners for this class