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:
Apr. 13, 2010
Filed:
Jul. 05, 2004
Applicants:
Gerald A. Daniel, Cumbria, GB;
Brent Broadhurst, Leigh, GB;
James Harken, Cumbria, GB;
Colin Robson, Cumbria, GB;
Inventors:
Gerald A. Daniel, Cumbria, GB;
Brent Broadhurst, Leigh, GB;
James Harken, Cumbria, GB;
Colin Robson, Cumbria, GB;
Assignee:
British Nuclear Fuels PLC, Chesire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 7/28 (2006.01); E21B 10/60 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus for drilling a bore through a target includes advancing a drill bit into the target along a direction of advancement and injecting a directing gas in the direction of advancement through at least one aperture in the drill bit. As the bore is drilled, waste material is directed in the direction of advancement via the gas.