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:
Dec. 21, 1982
Filed:
Jun. 15, 1981
Applicant:
Inventors:
Morris Berg, Grand Blanc, MI (US);
Carl F Schaefer, Flint, MI (US);
William J Johnston, Birkdale, GB;
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55523 ; 55DI / ; 55DI / ; 210510 ; 156 89 ;
Abstract
Diesel exhaust particulates are efficiently trapped by incineration cleanable ceramic monolith porous wall filter elements. A number of arrangements for high efficiency elements having high filtration area in compact units are disclosed as are exemplary methods of construction.