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:
Jun. 07, 2011
Filed:
Jan. 26, 2007
Applicants:
Hajime Hiranaga, Tsukuba-gun, JP;
Tatsuya Hoshino, Ushiku, JP;
Inventors:
Hajime Hiranaga, Tsukuba-gun, JP;
Tatsuya Hoshino, Ushiku, JP;
Assignee:
Pall Corporation, Port Washington, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 27/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A filter comprises a housing and a filter cartridge. The housing includes an inlet, an outlet, a vent, and a filter cartridge chamber. The filter cartridge is permanently positioned in the filter cartridge chamber of the housing with an annular channel between the filter cartridge and the housing. The bottom of the filter cartridge and the interior of the bottom of the housing each include a surface which inclines upwardly toward the annular channel.