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:
Oct. 21, 2025
Filed:
Dec. 06, 2017
Applicant:
Tracto-technik Gmbh & Co. KG, Lennestadt, DE;
Inventors:
Sebastian Fischer, Lennestadt, DE;
Markus Hamers, Lennestadt, DE;
Assignee:
TRACTO-TECHNIK GMBH & CO. KG, Lennestadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 7/04 (2006.01); E02D 1/02 (2006.01); E21B 49/00 (2006.01);
U.S. Cl.
CPC ...
E21B 49/003 (2013.01); E02D 1/022 (2013.01); E21B 7/046 (2013.01);
Abstract
The invention relates to methods for determining a soil class, in which an earth borehole is introduced into the ground by means of a ground drilling device with a drill head, wherein a parameter of the ground drilling device and/or an operational parameter of the ground drilling device is assessed during the determination of which soil class is involved.