Patent · US Active

Dual pipe rod assembly section, horizontal drilling device and probe housing

US9291008B2 · kind B2 · utility

3Cited by

9References

18Claims

0Family size

Assignee

TRACTO-TECHNIK GmbH & Co., KG · DE

Inventors

Elmar Koch · Eslohe, DE
Sebastian Fischer · Lennestadt, DE

Key dates

Filing date	May 31, 2012
Grant date	Mar 22, 2016
Priority date	—
Expiry date	Jul 18, 2034

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B47/024
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A dual pipe rod assembly section includes an inner rod section and an outer rod section, with a probe which is arranged in the dual pipe rod assembly section, a horizontal drilling device and a probe housing. The probe is arranged in the inner rod section and rotationally coupled to the outer rod section.

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