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US 2025/0161850 A1Published application
Retainable air filter
AssigneeAdvanced Flow Engineering, Inc.
InventorsGeorge Chaing, Shahriar Nick Niakan
Life of this patent
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AssigneeAdvanced Flow Engineering, Inc.
InventorsGeorge Chaing, Shahriar Nick Niakan
Estimating the term…
A detachable pre-filter assembly, an air filter with the detachable pre-filter assembly, and an air-filtration enabled device featuring the air filter with the detachable pre-filter assembly are provided. The air filter includes a perimeter frame that defines a cavity, a filter element disposed within the cavity, and a pre-filter assembly secured to the perimeter frame in a detachable configuration. The pre-filter assembly includes a pre-filter element disposed adjacent to the filter element and a retainer element disposed adjacent to the pre-filter element. The retainer element retains the pre-filter element adjacent to the filter element and engages with the perimeter frame. Thus, the retainer element retains the washable and reusable pre-filter element in place, while allowing removal, installation, and potential re-use of the pre-filter element with ease.
An air filter, comprising:
A pre-filter assembly for an air filter, wherein the air filter comprises a perimeter frame and a filter element in the perimeter frame, the pre-filter assembly comprising:
An air-filtration enabled device, comprising:
Dependencies are inferred from the claim text.