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:
Sep. 08, 2020
Filed:
Feb. 22, 2019
Applicant:
Liebherr-werk Nenzing Gmbh, Nenzing, AT;
Inventors:
Maximillan Mendler, Feldkirch, AT;
Sebastian Wedl, Feldkirch, AT;
Andreas Schwarzhans, Schruns, AT;
Armin Englstler, Dalaas, AT;
Bernhard Schneider, Klaus, AT;
Tobias Griesemer, Nüziders, AT;
Assignee:
Liebherr-Werk Nenzing GmbH, Nenzing, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02D 7/00 (2006.01); E02D 7/26 (2006.01); E02D 7/18 (2006.01); E02D 7/22 (2006.01); E02D 7/28 (2006.01); E21B 7/20 (2006.01); G05B 19/042 (2006.01); H04L 12/40 (2006.01); E21B 7/02 (2006.01); E21B 44/00 (2006.01); E02D 13/04 (2006.01); E21B 3/025 (2006.01);
U.S. Cl.
CPC ...
E02D 7/26 (2013.01); E02D 7/18 (2013.01); E02D 7/22 (2013.01); E02D 7/28 (2013.01); E02D 13/04 (2013.01); E21B 3/025 (2013.01); E21B 7/02 (2013.01); E21B 7/20 (2013.01); E21B 44/00 (2013.01); G05B 19/042 (2013.01); H04L 12/40032 (2013.01); E02D 2600/10 (2013.01); G05B 2219/45129 (2013.01); H04L 2012/4026 (2013.01); H04L 2012/40215 (2013.01);
Abstract
The present invention relates to an attachment for drilling and/or foundation work, in particular a casing oscillator or casing rotator, comprising a receiving apparatus for clamping at least one pipe and a drive for generating a rotational movement of the clamped pipe, wherein the attachment comprises at least one integral control unit for an independent carrying out of control functions of the attachment.