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:
Jul. 09, 1991
Filed:
Sep. 07, 1989
Applicant:
Inventor:
James B Crawford, Lafayette, LA (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; E21B / ; E21B / ;
U.S. Cl.
CPC ...
166 72 ; 166 551 ; 166 77 ; 166178 ; 166192 ; 166237 ;
Abstract
An invention relating to method and apparatus for the running of various tools and devices used to service oil and gas wells in combination with coiled tubing units that permits the application of a sudden downward force of predetermined magnitude.
Crawford, James. (1991). Apparatus for carrying tool on coil tubing with shifting sub (U.S. Patent No. 5029642). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5029642
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile