IPC Subgroup
E21B 19/14 Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
Introduced: September 1968
Last revised: January 2006
Full Title
Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables > Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- EARTH OR ROCK DRILLING; MINING
- Subclass:
- EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
1 direct subcode
Child Classifications
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- E21B 19/15 Racking of rods in horizontal position; Handling between horizontal and vertical position