F28G 3/10

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9346085 Pipe and tubes cleaning mechanismJun 30, 10May 24, 16Not available
5810073 Scraping heat exchangerJan 31, 96Sep 22, 98SCHRODER GMBH & CO. KG
5518067 Scraped surface heat exchangerAug 09, 94May 21, 96CROWN CHEMTECH LIMITED
5228503 High viscous fluid heat exchangerJun 25, 92Jul 20, 93Not available
5165469 High viscous fluid heat exchangerMay 17, 91Nov 24, 92Not available
4986347 ScraperMay 30, 89Jan 22, 91ALSTOM POWER K.K.
4558733 Heat exchanger having intermittently movable rotational cleaning armsDec 08, 81Dec 17, 85Rilett Engergitjanst AB
4303619 Apparatus for continuously producing potassium sulfateJul 07, 80Dec 01, 81CHISSO CORPORATION
4291753 Scraper assembly for use with a fluidized bed condenserFeb 07, 79Sep 29, 81TELEDYNE INDUSTRIES, INC.