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. 19, 1977
Filed:
Jan. 10, 1975
Applicant:
Inventor:
Giorgio Tomasicchio, Milan, IT;
Assignee:
Dorr-Oliver Incorporated, Stamford, CT (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F28D / ; F28G / ;
U.S. Cl.
CPC ...
165 84 ; 122379 ; 165 95 ;
Abstract
Heat exchanger tubes exposed to high-temperature gases from which dust or scale is deposited on the tubes are subjected to forces applied at the resonant frequency of the tube array to remove deposits on the tube surfaces.