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:
Jul. 15, 2025
Filed:
Dec. 03, 2021
Applicant:
Herrenknecht Aktiengesellschaft, Schwanau, DE;
Inventors:
Gerhard Wehrmeyer, Schwanau, DE;
Linus Möller, Schwanau, DE;
Werner Burger, Schwanau, DE;
Andreas Kassel, Schwanau, DE;
Assignee:
HERRENKNECHT AKTIENGESELLSCHAFT, Schwanau, DE;
Primary Examiner:
Int. Cl.
CPC ...
E21D 9/00 (2006.01); E21D 9/11 (2006.01);
U.S. Cl.
CPC ...
E21D 9/003 (2013.01); E21D 9/112 (2013.01);
Abstract
An apparatus for excavating a tunnel includes a cutting wheel equipped with measuring modules of sensor means on its cutting wheel face in order to directly sample the consistency of the material present between the cutting wheel face and a tunnel face by recording different types of measured values characteristic of this.