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:
Sep. 18, 2001
Filed:
Sep. 27, 1999
Applicant:
Inventor:
Micheal B. Crawford, Duncanville, TX (US);
Assignee:
Halliburton Engrey Service Inc., Carrollton, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 1/018 ;
U.S. Cl.
CPC ...
E21B 1/018 ;
Abstract
A roller cone jet-type drill bit with nozzles which direct collimated streams of mud at different angles, to sweep different radii of the hole bottom.
Crawford, Micheal. (2001). Apparatus and method for a roller bit using collimated jets sweeping separate bottom-hole tracks (U.S. Patent No. 6290006). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6290006
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile