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:
Dec. 13, 2005
Filed:
Nov. 12, 2003
Applicants:
Stefano Mantellassi, Lamporecchio, IT;
Stefano Franchi, Sesto Fiorentino, IT;
Giovanni Mellone, Salerno, IT;
Inventors:
Stefano Mantellassi, Lamporecchio, IT;
Stefano Franchi, Sesto Fiorentino, IT;
Giovanni Mellone, Salerno, IT;
Assignee:
Nuovo Pignone Holding S.p.A., Florence, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D001/02 ;
U.S. Cl.
CPC ...
Abstract
A centrifugal compressor for high pressure () with improved efficiency, of the type comprising a rotor (), an inner case (), diffusers () and diaphragms (), wherein the surfaces which are subjected to passage of the flow of gas have been subjected to burnishing working.
Quick Actions:
Mantellassi, Stefano. (2005). Centrifugal compressor for high pressure with improved efficiency (U.S. Patent No. 6974304). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6974304
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