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:
Sep. 15, 1981

Filed:

Feb. 11, 1980
Applicant:
Inventors:

Guy Norel, La Celle Saint Cloud, FR;

Robert Desbrandes, Sevres, FR;

Assignee:

Institut Francais du Petrole, Rueil-Malmaison, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
73152 ; 73639 ;
Abstract

The sonde comprises a measuring wheel carried by an arm which holds it in contact with the borehole wall and rotates it around the sonde axis so that the measuring wheel follows a helical path on the borehole wall as the sonde is raised in the borehole.


Find Patent Forward Citations

Norel, Guy. (1981). Sonde with rotatable pad for carrying out logging measurements in a (U.S. Patent No. 4289025). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4289025

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

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