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:
May. 31, 2011
Filed:
Aug. 14, 2007
Clarence F. Hall, Jr., Claremore, OK (US);
Dick L. Knox, Claremore, OK (US);
Brett D. Leamy, Claremore, OK (US);
Clarence F. Hall, Jr., Claremore, OK (US);
Dick L. Knox, Claremore, OK (US);
Brett D. Leamy, Claremore, OK (US);
Baker Hughes Incorporated, Houston, TX (US);
Abstract
A submersible pumping system for use downhole, wherein the system includes a pump, a pump motor, a seal section, a shaft coupling the pump motor to the pump, a bearing assembly for axially retaining the shaft in place, and an electrical insulator for electrically isolating the pump bearing assembly from electrical current leaking from the motor and through the shaft. The electrical insulator can be made from polyetheretherketone, polyimide, polyketone, and mixtures thereof.