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:
Aug. 15, 2006
Filed:
Nov. 14, 2001
Applicant:
Stig Bakke, Ålgård, NO;
Inventor:
Stig Bakke, Ålgård, NO;
Assignee:
Weatherford/Lamb, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01B 13/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A compressed fluid driven downhole cam motor () of the type used during drilling/service operations in the ground, comprising an intermediate casing (), a distributing valve (), a rotor () and two or more pistons () arranged radially and distributed with equal or unequal separation about the central axis of the rotor (), whereby the pistons () located in the same radial plane constitute a set of pistons, and where two or more sets of pistons are arranged side by side along the longitudinal axis of the rotor ().