Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subgroup
H01M 50/35

Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages

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 > Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC ELEMENTS
Subclass:
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY

2 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • H01M 50/358 External gas exhaust passages located on the battery cover or case
  • H01M 50/367 Internal gas exhaust passages forming part of the battery cover or case; Double cover vent systems