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:
Jun. 25, 2002
Filed:
May. 04, 2000
Applicant:
Inventors:
Maurice William Slack, Edmonton, CA;
Trent Michael Victor Kaiser, Edmonton, CA;
Gerald Adrien Joseph Beaulac, Edmonton, CA;
Assignee:
Noetic Engineering Inc., Edmonton, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 2/100 ; F16L 2/712 ;
U.S. Cl.
CPC ...
F16L 2/100 ; F16L 2/712 ;
Abstract
Thick-walled steel pipe is corrugated for the purpose of managing axial load when the pipe is used in an earth-restrained application. For example, the pipe may be used as casing in a cyclic steam stimulation well, where the axial loads are induced as the casing is heated and cooled.