ClassID:

135434

E21B29/007 - CPC Classification

Classification description:

Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows ; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground; Cutting, e.g. milling, a pipe with a cutter rotating along the circumference of the pipe with a radially-retracting cutter rotating outside the pipe

Recent Application in this class: