HEPA filter cartridge for canister vacuums
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United States of America Patent
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Mar 12, 2013
Grant Date -
Aug 19, 2010
app pub date -
Feb 18, 2009
filing date -
Feb 18, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present disclosure generally provides systems and methods for easily replaceable, high efficiency particulate air or HEPA-quality filtration for vacuum systems in an effective, efficient, and cost-sensitive manner. As an example, the HEPA filter cartridge could include a minimizer and connecting structures associated with an exhaust of such a HEPA filter cartridge. The surface area of the minimizer or the connecting structures could be increased or decreased to control, restrict, or otherwise maintain a predetermined, preferable, or allowable amount of backpressure subjected to the HEPA filter cartridge or other suitable performance characteristic.
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