Device for biological purification of waste water

- Biowater Technology AS
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Description

FIG. 1 is a first side view of a device for biological purification of waste water in accordance with my design;

FIG. 2 is a second side view of the device for biological purification of waste water in accordance with my design;

FIG. 3 is a third side view of the device for biological purification of waste water in accordance with my design;

FIG. 4 is a bottom plan view of the device for biological purification of waste water in accordance with my design;

FIG. 5 is a top plan view of the device for biological purification of waste water in accordance with my design; and

FIG. 6 is a fourth side view of the device for biological purification of waste water in accordance with my design; and,

FIG. 7 is a perspective view of the device for biological purification of waste water in accordance with my design.

Claims

The ornamental design for device for biological purification of waste water, as shown and described.

Referenced Cited
U.S. Patent Documents
5779886 July 14, 1998 Couture
D465257 November 5, 2002 Van Olst et al.
6889963 May 10, 2005 Niknafs et al.
Patent History
Patent number: D611568
Type: Grant
Filed: Aug 26, 2009
Date of Patent: Mar 9, 2010
Assignee: Biowater Technology AS (Tonsberg)
Inventor: Thorbjørn Westrum (Kongsberg)
Primary Examiner: Robin V Webster
Attorney: Winstead PC
Application Number: 29/342,512
Classifications
Current U.S. Class: Treatment (D23/207)