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:
Mar. 11, 2020
Applicant:
Hilti Aktiengesellschaft, Schaan, LI;
Inventors:
Lionel Barbier, Kaufering, DE;
Stefan Franz, Augsburg, DE;
Georg Holzmeier, Marktoffingen, DE;
Matthias Mazur, Hamburg, DE;
Paul Fally, Hamburg, DE;
Eduard Sever, Ludesch, AT;
Assignee:
Hilti Aktiengesellschaft, Schaan, LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23Q 11/00 (2006.01); B23Q 3/18 (2006.01); E21B 21/01 (2006.01); E21B 21/015 (2006.01);
U.S. Cl.
CPC ...
B23Q 11/0046 (2013.01); B23Q 3/183 (2013.01); E21B 21/01 (2013.01); E21B 21/011 (2020.05); E21B 21/015 (2013.01);
Abstract
A device for extracting drilling sludge for use at difficult to access locations on a building site includes a main body. The main body has a cavity on a lower side of the main body and a drilling sludge that is disposed in the cavity during a use of the device is extractable from the cavity by a suction device. The main body also has an extraction opening which opens into the cavity.