Renu Awarded United States Patent 6,850,850 for Flow Meter

Renau has been awarded United States Patent # 6,850,850. This patent is for a flowmeter for metering the volume of flow of a fluid through a filter, to enable the level of filter usage to be indicated. A preset level of metered fluid flow volume indicates a corresponding level of filter usage. The flowmeter is able to self-generate current responsive to the flow of the fluid therethrough.