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:
Jun. 29, 1999
Filed:
Nov. 10, 1994
Applicant:
Inventors:
Andrew Derek Turner, Abingdon, GB;
Ronald Keith Dawson, Wantage, GB;
Assignee:
AEA Technology plc, Didcot, GB;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C25F / ;
U.S. Cl.
CPC ...
205704 ; 205705 ; 205712 ; 205741 ;
Abstract
During filtration, periodic application of a potential difference between an electrically conducting filter medium and counter electrode (as anode) generates a gaseous product at the filter and cleans the filter. To minimise corrosion the counter electrode is of low chromium stainless steel, for example 9% chromium.