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. 27, 1983
Filed:
Jan. 06, 1983
Applicant:
Inventors:
Dean C Hammond, Jr, Birmingham, MI (US);
Paul T Vickers, Bloomfield Hills, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427181 ; 427230 ;
Abstract
A diesel particulate trap and method of making the same wherein ceramic powder supported by a carrier fluid is deposited by normal fluid flow through the porous walls of the inlet channels in a ceramic monolith filter are fired in place so as to define inlet channels of decreasing cross-sectional flow area and increasing wall thickness relative to the distance from the inlet end to the outlet end of the filter.
Hammond, Jr, Dean. (1983). Method of making wall-flow monolith filter (U.S. Patent No. 4423090). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4423090
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile