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:
Feb. 16, 2021
Filed:
Feb. 21, 2017
Witali Huber, Laatzen, DE;
Gunnar Michaelis, Hambuehren, DE;
Carsten Hohl, Sehnde, DE;
Erik Bartscherer, Hannover, DE;
Harald Grimmer, Lachendorf, DE;
Christian Fulda, Sehnde, DE;
Dorothea Marion Fischer, Hannover, DE;
Thorsten Regener, Wienhausen, DE;
Witali Huber, Laatzen, DE;
Gunnar Michaelis, Hambuehren, DE;
Carsten Hohl, Sehnde, DE;
Erik Bartscherer, Hannover, DE;
Harald Grimmer, Lachendorf, DE;
Christian Fulda, Sehnde, DE;
Dorothea Marion Fischer, Hannover, DE;
Thorsten Regener, Wienhausen, DE;
BAKER HUGHES, A GE COMPANY, LLC, Houston, TX (US);
Abstract
A method of making a stator includes positioning an inner tubular member having an inner surface within an outer tubular member, installing a rigid mandrel within the inner tubular member, and applying a compressive force to at least one of the inner tubular member and the outer tubular member.