• All sections
• H - Electricity
• H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
• H01M 50/489 - Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties

Patent holdings for IPC class H01M 50/489

Total number of patents in this class: 1548

10-year publication summary

Principal owners for this class