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. 21, 2015
Filed:
Nov. 14, 2008
Eric E. Mcclain, Spring, TX (US);
Matthew R. Isbell, Houston, TX (US);
Jack Thomas Oldham, Conroe, TX (US);
John C. Thomas, Lafayette, LA (US);
Marc W. Bird, Houston, TX (US);
Eric E. McClain, Spring, TX (US);
Matthew R. Isbell, Houston, TX (US);
Jack Thomas Oldham, Conroe, TX (US);
John C. Thomas, Lafayette, LA (US);
Marc W. Bird, Houston, TX (US);
Baker Hughes Incorporated, Houston, TX (US);
Abstract
Casing bits include a bit crown having a substantially hollow interior. The bit crown has blades over a face portion thereof, the blades including a plurality of cutting elements attached thereto. The bit crown further includes a composite inlay positioned at least within the substantially hollow interior. The casing bits also include case hardened outer surfaces radially outside a drill-out region. The casing bits further include short-substrate cutting elements. Methods of forming a casing bit are also disclosed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile