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:
Oct. 15, 2024
Filed:
Nov. 15, 2023
Applicant:
Petromac Ip Limited, Auckland, NZ;
Inventor:
Stephen Peter McCormick, Auckland, NZ;
Assignee:
PETROMAC IP LIMITED, Auckland, NZ;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 17/10 (2006.01);
U.S. Cl.
CPC ...
E21B 17/1028 (2013.01); E21B 17/10 (2013.01); E21B 17/1021 (2013.01); E21B 17/1078 (2013.01);
Abstract
A device for centering a sensor assembly in a bore has three or more bow-spring assemblies spaced circumferentially apart around a longitudinal axis of the device and pivotally attached between first and second support members. Each bow-spring assembly comprises two or more bow-springs stacked together in a bow-spring stack, with each bow-spring in the bow-spring stack extending between first and second pivot members pivotally attached to the first and second support members.