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.:

US 6857819 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 22, 2005

Filed:

Feb. 04, 2003
Applicant:

William F. Gunderson, Iii, Astoria, OR (US);

Inventor:

William F. Gunderson, III, Astoria, OR (US);

Assignee:

Gunderboom, Inc., Anchorage, AK (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02B015/00 ;
U.S. Cl.
CPC ...
Abstract

An attachment to a drainage hose for use on a stockpiling barge that includes: a fluid pervious bag formed of a flexible fabric material, the fluid pervious bag having an open end and a closed end, a ballast material attached to or retained within the closed end of the fluid pervious bag, and means for securing the open end of the fluid pervious bag about a hose. Also disclosed are the attachment in combination with a drainage hose and a stockpiling barge, a method of filtering runoff water from a stockpiling barge through the use of the attachments, and a method of preventing non-dissolved organic or inorganic contaminants from flowing from a stockpiling barge into a body of water through the use of the attachments.


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