E21F17/04 - CPC Classification Index

ClassID:

136312 ⎘

E21F17/04 - CPC Classification

Classification description:

Methods or devices for use in mines or tunnels, not covered elsewhere Distributing means for power supply in mines

Sub-classes:

E21F17/06 » Distributing electric power; Cable networks; Conduits for cables 29
E21F17/08 » Distributing hydraulic power; Pipe networks for hydraulic liquid 2
E21F17/10 » Distributing pneumatic power; Pipe networks for compressed air 0

Recent Application in this class:

20170183967

MODULAR CONTROLLING SYSTEM FOR VENTILATION EQUIPMENT AND METHODS OF USING THE SAME

20150355258

Method and apparatus for remote coal mine leakage test