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:
Mar. 27, 1984
Filed:
Jun. 14, 1982
Applicant:
Inventors:
Yoshihiro Taki, Nagoya, JP;
Hajime Akado, Anjo, JP;
Toshiaki Fukuta, Anjo, JP;
Susumu Miyakawa, Kariya, JP;
Assignee:
Nippondenso Co., Ltd., Kariya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
2104931 ; 2104935 ; 210503 ; 55484 ; 55492 ; 55521 ;
Abstract
A filter means for filtering fluid comprises a first filter section and a second filter section. The filter means is formed by using a folded sheet material having a trapezoid or a sector form. The second filter section of the filter means has a filtering performance different from that of the first filter section of the filter means.