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 7491325 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 17, 2009

Filed:

Oct. 20, 2006
Applicants:

Frank M. Kulick, Iii, Lake Ariel, PA (US);

Timothy E. Krell, Mohrsville, PA (US);

Robert W. Hartung, Abington, PA (US);

Curtis S. Mcdowell, Allentown, PA (US);

Inventors:

Frank M. Kulick, III, Lake Ariel, PA (US);

Timothy E. Krell, Mohrsville, PA (US);

Robert W. Hartung, Abington, PA (US);

Curtis S. McDowell, Allentown, PA (US);

Assignee:

Brentwood Industries, Inc., Reading, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 3/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

An assembly for supporting biomass for treating sludge or wastewater includes a first corrugated sheet having crests and valleys, a second corrugated sheet having crests and valleys and an intermediate member mounted between the first and second corrugated sheets. The crests have peak surfaces and the valleys have trough surfaces. The first corrugated sheet has a first longitudinal axis and the second corrugated sheet has a second longitudinal axis. The corrugations of the first corrugated sheet define a first corrugation angle of about zero degrees (0°) to about forty-five degrees (45°) relative to the first longitudinal axis and the corrugations of the second corrugated sheet define a second corrugation angle of about zero degrees (0°) to about forty-five degrees (45°) relative to the second longitudinal axis. The second corrugated sheet is mounted to the first corrugated sheet and the intermediate member has openings therein.


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Kulick, III, Frank. (2009). Biological treatment system and assembly (U.S. Patent No. 7491325). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7491325

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