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. 22, 2025
Filed:
Dec. 19, 2019
Applicants:
Voestalpine Böhler Edelstahl Gmbh & CO KG, Kapfenberg, AT;
Schoeller-bleckmann Oilfield Technology, Ternitz, AT;
Inventors:
Rainer Fluch, St. Lorenzen im Mürztal, AT;
Andreas Keplinger, Leoben, AT;
Martin Wöls, Aflenz, AT;
Bernd Holper, Pinkafeld, AT;
Walter Spruzina, Aue, AT;
Assignees:
Voestalpine BOHLER Edelstahl GmbH & Co., Kapfenberg, AT;
Schoeller-Bleckmann Oilfiend Technology, Ternitz, AT;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/40 (2006.01); C21D 6/00 (2006.01); C21D 8/06 (2006.01); C21D 9/44 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/42 (2006.01); C22C 38/44 (2006.01); C22C 38/46 (2006.01); C22C 38/58 (2006.01); E21B 17/00 (2006.01);
U.S. Cl.
CPC ...
C21D 9/44 (2013.01); C21D 6/004 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); C21D 8/065 (2013.01); C22C 38/001 (2013.01); C22C 38/02 (2013.01); C22C 38/42 (2013.01); C22C 38/44 (2013.01); C22C 38/46 (2013.01); C22C 38/58 (2013.01); E21B 17/00 (2013.01); C21D 2211/001 (2013.01);
Abstract
A drill string component, in particular a drilling collar component, an MWD component, or an LWD component for use in oilfield technology and particularly in deep drilling, is provided. A method of making a drill string component, and a steel alloy useful in making a drill string component, are also provided.