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. 28, 2014
Filed:
Apr. 28, 2008
Ralph Sawtell, Gibsonia, PA (US);
Matthew P. Kiley, Allison Park, PA (US);
Harry R. Zonker, Pittsburgh, PA (US);
James T. Burg, Verona, PA (US);
John W. Cobes, Lower Burrell, PA (US);
Ralph Sawtell, Gibsonia, PA (US);
Matthew P. Kiley, Allison Park, PA (US);
Harry R. Zonker, Pittsburgh, PA (US);
James T. Burg, Verona, PA (US);
John W. Cobes, Lower Burrell, PA (US);
Alcoa Inc., Pittsburgh, PA (US);
Abstract
In one embodiment, the present invention relates to a riser apparatus for use in offshore drilling for oil or other fossil fuels, the riser apparatus comprising: a plurality of riser sections coupled serially end-to-end, wherein each of the riser sections comprises: a tube having a first end and a second end; a first flanged that is mechanically joined to the first end of the tube; a second flanged that is mechanically joined to the second end of the tube; wherein the tube is constructed of an aluminum alloy; and wherein the flanges are constructed of the aluminum alloy; and wherein the riser apparatus has a length of approximately 1,500 meters or greater.