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. 22, 2020
Filed:
Jun. 26, 2019
Applicant:
Denso Corporation, Kariya, JP;
Inventors:
Yasushi Takayama, Kariya, JP;
Shusaku Yamamura, Kariya, JP;
Assignee:
DENSO CORPORATION, Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 46/24 (2006.01); B01D 39/20 (2006.01); C04B 35/195 (2006.01); C04B 38/00 (2006.01);
U.S. Cl.
CPC ...
B01D 46/247 (2013.01); B01D 39/2075 (2013.01); B01D 46/2429 (2013.01); B01D 46/2455 (2013.01); B01D 46/2474 (2013.01); C04B 35/195 (2013.01); C04B 38/0009 (2013.01); C04B 38/0016 (2013.01); B01D 2046/2433 (2013.01); B01D 2239/1208 (2013.01); B01D 2279/30 (2013.01); C04B 2235/3436 (2013.01);
Abstract
Provided is a porous honeycomb filter comprising a porous first cell wall that permits exhaust gas to permeate, a second cell wall that permits exhaust gas to permeate than the first cell wall, and a cell that is surrounded by the first cell wall and the second cell wall to form an extending gas flow passage. The second cell wall has a smaller porosity than the first cell wall.
Takayama, Yasushi. (2020). Porous honeycomb filter (U.S. Patent No. 10870077). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10870077
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile