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:
Sep. 06, 2011

Filed:

Nov. 10, 2009
Applicants:

David B. Chadwick, San Diego, CA (US);

Gunther H. Rosen, San Diego, CA (US);

G. Allen Burton, Ann Arbor, MI (US);

Inventors:

David B. Chadwick, San Diego, CA (US);

Gunther H. Rosen, San Diego, CA (US);

G. Allen Burton, Ann Arbor, MI (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21C 39/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A system includes a plurality of chamber holders having openings therein, and an exposure chamber positioned in each chamber holder. Each exposure chamber includes a mesh portion and a top end cap. One exposure chamber contains a mesh bottom and one contains a closed bottom. Each chamber holder is positioned within an opening contained within a base portion. One exposure chamber may extend beyond the lower boundary of the base portion. A top portion may be secured to the base portion to contain the chamber holders. A pump, with connected supply hose, may be coupled to the top portion. The supply hose is routed through the chamber holders such that a supply hose opening is adjacent to each chamber holder. The system may include a water quality sensor and a passive sampling device coupled to the base portion. A deployment system may be connected to the top portion.


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