Christopher E. Mainini,William S. Groh,Anita White,Kristine Kauerz,Stephen Weybrecht
申请号：
US15625742
公开号：
US10787370B2
申请日:
2017.06.16
申请国别(地区):
US
年份:
2020
代理人:
摘要：
A filtration system for a pet water fountain is provided. The filtration system utilizes a pump placed within or along a watering bowl. The water filtration system also utilizes a multi-stage filtering device. In one aspect, the multi-stage filtering device includes a first filtering stage representing copper zinc alloy particles, and a second filtering stage representing granulated activated carbon particles. Each stage may constitute filtering material that is separated into an array of cells residing along a vertical frame or is separated into stages placed in series within a tubular cartridge. A method for filtering water in a pet fountain is also provided herein.
