Patent · US Active

Drilling rig

US8297886B2 · kind B2 · utility

4Cited by
11References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 12, 2009
Grant dateOct 30, 2012
Priority date
Expiry dateJun 19, 2030

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B19/20
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A bolting apparatus and method for inserting a rod into a surface, the bolting apparatus including a base having a foot end and a head end, at least one stabilizing rod extendable from the base head end and having a stabilizing rod end adapted to contact a surface to be drilled, and a mechanism attached to the base between the base foot end and the stabilizing rod end and adapted to grip the rod.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.