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:
Apr. 24, 2018
Filed:
Apr. 10, 2015
Applicant:
Tracto-technik Gmbh & Co. KG, Lennestadt, DE;
Inventors:
Elmar Koch, Eslohe, DE;
Martin Köper, Attendorn, DE;
Thomas Schauerte, Lennestadt, DE;
Stefan Maschke, Lennestadt, DE;
Assignee:
TRACTO-TECHNIK GMBH & CO. KG, Lennestadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 7/04 (2006.01); E21B 17/042 (2006.01); E21B 17/00 (2006.01); E21B 17/02 (2006.01);
U.S. Cl.
CPC ...
E21B 7/046 (2013.01); E21B 17/003 (2013.01); E21B 17/028 (2013.01); E21B 17/042 (2013.01);
Abstract
A rod section having an electrical conductor which is arranged such that it is centered at the end and has an insulating sleeve and is fixed in the rod section such that when the rod section is joined to a further rod section having a fixed conductor, both conductors are joined together in a forcibly guided manner and the join is sealed by the sleeve in a forcibly guided manner.