Self-cleaning water filtration system

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United States of America Patent

PATENT NO 9022223
SERIAL NO

14599046

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Importance

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Abstract

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A compact, piston-driven water filtration system with annular cleaning device/brush. The filter apparatus operates based on a piston-driven pressure system where the piston is threadably mated to a water reservoir. Threading of the piston forces a sleeve connected thereto within the reservoir to force water through any suitable water filter (e.g. carbon-based, ceramic, micro- and/or nano-membrane materials) on the opposite side of the reservoir from the threadably-mated piston within the reservoir. The sleeve connected to the piston within the interior of the reservoir includes a cleaning device (e.g., brush, scraper, pad, etc.) on a distal end of the sleeve inside the water reservoir. The annular brush has an inner diameter smaller than that of the sleeve, such that as the piston is threaded into and out of the reservoir, the sleeve moves toward, over, and away from the filter, and the brush scrapes/scrubs/cleans the exterior of the filter for cleansing.

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Patent Owner(s)

Patent OwnerAddress
INSTAPURE BRANDS INC155 E BOARDWALK SUITE 400 #518 FORT COLLINS CO 80525

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wright, William Scott Loveland, US 2 15

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