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:
May. 11, 2004
Filed:
Mar. 18, 2003
Applicant:
Inventor:
Yves Charron, Longpont sur Orge, FR;
Assignee:
Institut Francais du Petrole, Rueil Malmaison Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 9/14 ; F17D 1/02 ;
U.S. Cl.
CPC ...
F16L 9/14 ; F17D 1/02 ;
Abstract
Pipe ( ) for conveying a fluid. It comprises a metal tube ( ). The inner wall of the metal tube is coated with a layer ( ) of a porous material permeable to the fluid conveyed. The fluid circulates in layer ( ) in order to limit the pressure drops generated by the flow.