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.

Date of Patent:
Jan. 16, 2007

Filed:

Nov. 14, 2000
Applicants:

Bruce S. Williamson, Alpharetta, GA (US);

Michael S. Brunner, Roswell, GA (US);

Inventors:

Bruce S. Williamson, Alpharetta, GA (US);

Michael S. Brunner, Roswell, GA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 27/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides a filtration device. The invention employs filter media wrapped into spirals about an apertured core. Fluid may flow radially inward or radially outward during filtration. Embodiments using multiple filter media and embodiments achieving a low pressure drop are also disclosed.


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