The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 26, 2016
Filed:
Mar. 03, 2010
Applicants:
Franz-josef Püttmann, Lennestadt, DE;
Gerhard Völkel, Erndtebrück, DE;
Peter Grass, Lennestadt, DE;
Meinolf Rameil, Lennestadt, DE;
Inventors:
Franz-Josef Püttmann, Lennestadt, DE;
Gerhard Völkel, Erndtebrück, DE;
Peter Grass, Lennestadt, DE;
Meinolf Rameil, Lennestadt, DE;
Assignee:
TRACTO-TECHNIK GMBH & CO. KG, Lennestadt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L 1/028 (2006.01); E21B 7/20 (2006.01);
U.S. Cl.
CPC ...
E21B 7/205 (2013.01);
Abstract
The invention relates to an earth drilling device () for boring a borehole into the soil and/or for drawing a line () into an underground passage, comprising at least one system line () extending from the earth drilling device to a start region, wherein the system line is designed in an electrically insulating manner.