Air filter with at least one fixed-length portion and at least one adjustable-length portion

TW202634196APending Publication Date: 2026-08-163M INNOVATIVE PROPERTIES CO
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Patent Information

Application Number
TW114138264
Authority / Receiving Office
TW · TW
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-10-03
Filing Date
2025-10-03
Publication Date
2026-08-16

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Abstract

Conformable, unframed, length-adjustable air filters for external installation atop an air inlet of an indoor air-handling unit of a mini-split air-conditioning system. Such an air filter may include a conformable, unframed, length-adjustable pleated filter assembly with at least one conformable fixed-length portion and at least one conformable adjustable-length portion, the at least one adjustable-length portion being reversibly adjustable along an expansion-compaction direction of the pleated filter assembly between at least compacted condition and an at-rest condition that is expanded relative to the compacted condition.
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