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:
Sep. 23, 2025
Filed:
Jul. 06, 2020
Delstar Technologies, Inc., Middletown, DE (US);
Andrew G. Platt, Middletown, DE (US);
Ronald Federico, Chadds Ford, PA (US);
Joel Patrick Trojnar, Smyrna, PA (US);
Abstract
Support membranes for filters are described that include a support sheet formed of a polymeric material and a continuous base section having opposed outer surfaces and spaced-apart ribs extending outwardly from at least one of the opposed outer surfaces. The spaced-apart ribs define continuous flow channels bound by the adjacent spaced-apart ribs. The ratio of the height of the ribs to the height of the continuous base ranges from about 2:1 to about 5:1. This relatively high aspect ratio of the ribs and the base layer increases the performance of the filter and reduces the cross-flow pressure drop of fluids filtered through the membrane.