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:
Dec. 09, 2003
Filed:
Jun. 20, 2002
Applicant:
Inventor:
David Camp, Cypress, TX (US);
Assignee:
S & S Trust, Commerce City, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 1/026 ; E02F 5/10 ;
U.S. Cl.
CPC ...
E21B 1/026 ; E02F 5/10 ;
Abstract
The backreamer assembly for enlarging shallow depth boreholes in an earthen environment includes a substantially conical cutting surface. Contained within the substantially conical cutting surface is a speed reduction, torque increasing gearbox which transmits rotational power from a drive motor to the substantially conical cutting surface.