E21D15/48 - CPC Classification Index

ClassID:

136114 ⎘

E21D15/48 - CPC Classification

Classification description:

Props ; Chocks, e.g. made of flexible containers filled with backfilling material Chocks or the like

Sub-classes:

E21D15/483 » {made of flexible containers, e.g. inflatable, with or without reinforcement, e.g. filled with water, backfilling material or the like } 27
E21D15/486 » {with essential hydraulic or pneumatic details} 3

Recent Application in this class:

20250198287

MINE ROOF SUPPORT CRIBS

20200131905

Mine roof support

20170044897

Telescopic pumpable prop assembly with improved ceiling impact properties

20160061032

Ventilated mine roof support

20150097099

Telescopic pumpable props

20130136545

Nested mine roof supports