• All sections
• H - Electricity
• H04L - Transmission of digital information, e.g. telegraphic communication
• H04L 69/40 - Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection

Patent holdings for IPC class H04L 69/40

Total number of patents in this class: 512

10-year publication summary

Principal owners for this class