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Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US404090116 Aug 19769 Aug 1977Esco CorporationMounting for sectional screen
US441677412 Feb 198222 Nov 1983Bechtel International CorporationParticle separating screen unit for agitation tank
US48879335 Jun 198919 Dec 1989Drain pipe shield
US547043716 Jul 199328 Nov 1995Kvaerner Pulping Technologies ABDigester for cooking pulp having staggered screens
US553636725 Jan 199516 Jul 1996Pulp digester cleaning system
US559130322 Mar 19957 Jan 1997Kvaerner Pulping Technologies ABProcess for operating a digester
US601716630 Dec 199725 Jan 2000Catch basin guard and filter
US803423715 Dec 200811 Oct 2011Backwashing filter basket