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:
Jul. 07, 2015
Filed:
Jan. 18, 2011
Dean T. Berkebile, Cranberry Township, PA (US);
Daniel E. Bruce, Murrysville, PA (US);
Christopher J. Ball, Cranberry Township, PA (US);
Dean T. Berkebile, Cranberry Township, PA (US);
Daniel E. Bruce, Murrysville, PA (US);
Christopher J. Ball, Cranberry Township, PA (US);
Xylem Water Solutions Zelienople LLC, Zelienople, PA (US);
Abstract
An underdrain filter block for use in draining and backwashing a filtering media in a filter bed includes a top wall, a pair of side walls extending from the top wall, a bottom wall extending between the pair of side walls, and a transverse wall extending from one of the pair of side walls to the other of the pair of side walls. The top wall, the pair of side walls, and the bottom wall define an upper portion and a lower portion. The lower portion includes a grout chamber positioned between the bottom wall and the transverse wall and at least one of the bottom wall and said side walls contains an opening.