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:
Apr. 18, 2006
Filed:
Jul. 20, 2004
Peter A. Quigley, Duxbury, MA (US);
Stephen C. Nolet, Franklin, MA (US);
Thomas W. Wideman, Milton, MA (US);
Peter A. Quigley, Duxbury, MA (US);
Stephen C. Nolet, Franklin, MA (US);
Thomas W. Wideman, Milton, MA (US);
Fiberspar Corporation, New Bedford, MA (US);
Abstract
Buoyancy control methods for tubes are described. In one embodiment, a buoyancy control method can include a composite tube and a buoyancy control material for controlling the buoyancy of the composite tube. The composite tube can include an internal liner an external coaxial composite layer of fibers embedded in a matrix. One or more portions of the buoyancy control material can be attached to one or more portions of the composite tube to adjust the buoyancy of the one or more portions of the tube.