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:
Apr. 28, 1981
Filed:
Dec. 12, 1979
Applicant:
Inventor:
Gamdur S Mann, Flint, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; C04B / ;
U.S. Cl.
CPC ...
55523 ; 55DI / ; 210510 ; 60311 ; 428 73 ; 428316 ; 428317 ;
Abstract
Related arrangements of diesel exhaust particulate traps are disclosed wherein particulate filter elements are formed from porous ceramic monoliths made of high temperature ceramic and containing passage defining micronic pores intercepted by high temperature ceramic fibers retained in the ceramic substrate and extending into the passages to provide surfaces for separating particulates from the gases passed through the element.