DIFF Subgroup
H01M 50/333 Spring-loaded vent valves
Introduced: January 2021
Full Title
Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells > Arrangements for facilitating escape of gases > Re-sealable arrangements > comprising deformable valve members, e.g. elastic or flexible valve members > Spring-loaded vent valves
No child classifications to compare. This is a leaf node in both IPC and CPC.