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. 11, 2012
Filed:
Jun. 05, 2003
Applicants:
Peter G. Baumann, Roscoe, IL (US);
Lloyd W. Johnson, Roscoe, IL (US);
David Smith, Beloit, WI (US);
Eugen O. Bergmann, St. George, UT (US);
Inventors:
Peter G. Baumann, Roscoe, IL (US);
Lloyd W. Johnson, Roscoe, IL (US);
David Smith, Beloit, WI (US);
Eugen O. Bergmann, St. George, UT (US);
Assignee:
Aqua-Aerobic Systems, Inc., Loves Park, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 29/68 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for filtering water or wastewater including the steps of filtering by gravity through a stationary cloth filter media supported in a treatment basin by a structure forming an effluent plenum, and cleaning the media by backwashing.