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:
Aug. 15, 2006
Filed:
Sep. 26, 2003
John D. Dyson, Richmond, VA (US);
Jack H. Jessop, Midlothian, VA (US);
Harold W. Johnson, Jr., Midlothian, VA (US);
Louis U. Brittingham, Jr., Richmond, VA (US);
Gregory Matanoski, New Kent, VA (US);
John D. Dyson, Richmond, VA (US);
Jack H. Jessop, Midlothian, VA (US);
Harold W. Johnson, Jr., Midlothian, VA (US);
Louis U. Brittingham, Jr., Richmond, VA (US);
Gregory Matanoski, New Kent, VA (US);
Infilco Degremont, Inc., Richmond, VA (US);
Abstract
The invention is directed to a filter underdrain for supporting a filter media between at least two dividers forming at least one cell, which includes at least one porous plate for supporting the filter media for filtering a fluid, the porous plate spanning across at least one of the dividers; and a plurality of support members beneath the porous plate, the support members containing at least one port for draining the fluid after the fluid passes through the porous plate. The porous plates may be bound together by a lap joint and an end section may be included between at least two of the support members, the end section containing at least one pocket for holding the porous plate.