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:
Oct. 20, 1981

Filed:

Sep. 28, 1979
Applicant:
Inventors:

Emrys H Jones, Jr, Westover, WV (US);

Stephen D Lauer, Waynesburg, PA (US);

Assignee:

Conoco Inc., Ponca City, OK (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
175214 ; 285 / ; 285155 ; 285373 ;
Abstract

A device for placement between a rotary drill motor and a drill rod for use in pumping instruments down the drill rod. The device has pressure seals at each end and an opening for an instrument cable which slides through the opening as the instruments are pumped down the drill rod.


Find Patent Forward Citations

Jones, Jr, Emrys. (1981). Pressure seal for pumping instruments through drill rod (U.S. Patent No. 4295536). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4295536

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

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