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:
Jan. 21, 1992
Filed:
Dec. 24, 1990
Raymond E Dorazio, Wysox, PA (US);
GTE Products Corporation, , US;
Abstract
A cordierite ceramic filter structure of the type having a plurality of clean gas channels forming outlets at the one end thereof, a plurality inlet channels forming inlets on said side surfaces for gas to be filtered, and thin porous sections separating said inlet channels from the outlet channels for removing particulate from the gas to be filtered, wherein the filter structure includes a plurality of stacked filter elements with each of the elements comprising a pair of marginal serrated side portions and a plurality of ribs intermediate the marginal side portions with thin porous sections joining and extending therebetween wherein the marginal sections have a substantially uniform width of greater than about 1 inch which are interrupted by a vertically extending notch adjacent for mounting said filter structure to a housing.