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. 14, 2005
Filed:
Sep. 04, 2003
Douglas Allard, Santa Rosa, CA (US);
Douglas Allard, Santa Rosa, CA (US);
KriStar Enterprises, Inc., Santa Rosa, CA (US);
Abstract
An apparatus and method for use in conjunction with grassy swales and sidewalk cross drains to collect and filter or otherwise treat dirty or polluted storm water runoff or other fluid is disclosed. One or more prefilters are installed at one or more inlets to a grassy swale or a sidewalk cross drain, such that at least a portion of any storm water runoff or other passing fluids are at least partially filtered or otherwise treated to some extent before entering the grassy swale. The prefilters comprise an inlet adapted to deliver fluid therethrough; an outlet adapted to deliver fluid therethrough, one or more structural elements connecting to inlet to the outlet, and one or more filtration elements attached to at least one of the structural elements.