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.

Date of Patent:
Mar. 21, 1978

Filed:

Aug. 16, 1976
Applicant:
Inventor:

John Doise Jeter, Iowa Park, TX (US);

Assignee:

Eastman-Whipstock, Inc., Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D / ;
U.S. Cl.
CPC ...
415107 ; 415-1 ; 415113 ; 415502 ;
Abstract

Method and apparatus to lift the rotor of an earth borehole downhole drilling motor with a resilient force that exceeds the rotor weight so that starting of the motor is more certain due to reduced drag on primary thrust bearings. Additionally the apparatus may be used to reduce imbalanced axial loads on rotor primary thrust bearings.


Find Patent Forward Citations

Quick Actions:

Jeter, John. (1978). Downhole motor rotor supports (U.S. Patent No. 4080094). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4080094

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…