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. 19, 2004
Filed:
May. 01, 2003
Applicant:
Inventors:
Fabrizio Donazzi, Milan, IT;
Paolo Maioli, Crema, IT;
Assignee:
Pirelli Cavi E Sistemi S.p.A., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
H01B 7/34 ; H01B 7/00 ;
U.S. Cl.
CPC ...
H01B 7/34 ; H01B 7/00 ;
Abstract
A method for screening the magnetic field generated by an electrical power transmission line having at least one electrical cable. The cables may be inserted into a conduit having at least one layer of non-grain-oriented ferromagnetic material, having a magnetic curve with a maximum value of relative magnetic permeability (&mgr; ).