发明名称 |
Fluid treatment device and counter mechanism |
摘要 |
This invention relates to a color coded counter mechanism for a fluid treatment filter device which indicates to the consumer when to replace the filter. It also includes a selective pawl follower in the counter mechanism for permitting the filter device to be used in countries having different standards of filtration without requiring a new counter mechanism for each country.
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申请公布号 |
US7201840(B2) |
申请公布日期 |
2007.04.10 |
申请号 |
US20040778069 |
申请日期 |
2004.02.17 |
申请人 |
DART INDUSTRIES INC. |
发明人 |
TSATAROS EDDIE J.;KIRCHENSTINER MICHAEL |
分类号 |
B01D35/143;C02F1/28;B01D29/60;B01D35/02;B01D35/14;C02F1/00;C02F1/461 |
主分类号 |
B01D35/143 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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