Patent · US Active

Horizontal drilling device

US9347267B2 · kind B2 · utility

1Cited by

12References

9Claims

0Family size

Assignees

GDF SUEZ · FR
TRACTO-TECHNIK GmbH & Co., KG · DE

Inventors

Elmar Koch · Eslohe, DE
Sebastian Fischer · Lennestadt, DE
Andreas Joachim Hanses · Lennestadt, DE

Key dates

Filing date	Mar 31, 2011
Grant date	May 24, 2016
Priority date	—
Expiry date	Feb 11, 2033

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B49/06
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A horizontal drilling device according to the invention includes a linear drive, a rotary drive that can be displaced by means of the linear drive, a drill rod assembly and a rod assembly pipe receiver, the drill rod assembly being hollow and the rod assembly receiver being designed as a receiving mandrel, which allows the drill rod assembly to be placed on the receiving mandrel.

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