Patent · US Active

Ground drilling device, system comprising the ground drilling device, method for producing a ground drilling device, and use of a ground drilling device

US11391092B2 · kind B2 · utility

0Cited by
0References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 10, 2020
Grant dateJul 19, 2022
Priority date
Expiry dateFeb 10, 2040

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B7/20
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A ground drilling device with a drivetrain for rotating a drill string, wherein at least one section of the drivetrain is configured to form a channel between a force transmission element of the drivetrain and the drill string, wherein the channel projects through the force transmission element and the force transmission element may be driven radially in the drivetrain.

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