Patent ID: 11951430
Assignee: PAPELTEC OVERSEAS, INC.
Field: Chemical engineering (Chemistry)
Classification: CPC B  F | IPC B  F

Claim 16:
17. A method of filtering air in a heating ventilation and air conditioning unit, the method comprising the steps of:
a) constructing a first customizable HVAC filter cartridge by containing a filter media between a first lower media frame and a first upper media frame, the first lower media frame comprising a first lower surface, a first right lower frame media side, a first left lower media frame side, a first front lower media frame side and a first back lower media frame side, the first lower media frame interacts with a first lower equipment engagement feature of an HVAC unit, the first lower equipment engagement feature of suitable size and shape to be secured in the HVAC unit into which the first customizable HVAC filter cartridge is inserted, the first lower media frame additionally comprising a first lower media securing compressor around an interior circumference of the first lower media frame, the first upper media frame comprising a first upper surface, a first right upper media frame side, a first left upper media frame side, a first front upper media frame side and a first back upper media frame side, the first upper media frame interacts with a first upper equipment engagement feature of the HVAC unit, the upper equipment engagement feature of suitable size and shape to be engaged with the HVAC unit into which the first customizable HVAC filter cartridge is inserted, the first upper media frame additionally comprising a first upper media securing compressor around an interior circumference or boundary of the upper media frame;
b) constructing a second customizable HVAC filter cartridge by containing a second filter media between a second lower media frame and a second upper media frame, the second lower media frame comprising a second lower surface, a second right lower frame media side, a second left lower media frame side, a second front lower media frame side and a second back lower media frame side, the second lower media frame interacts with a second lower equipment engagement feature of the HVAC unit, the second lower equipment engagement feature of suitable size and shape to be secured in the HVAC unit into which the second customizable HVAC filter cartridge is inserted, the second lower media frame additionally comprising a second lower media securing compressor around an interior circumference of the second lower media frame, the second upper media frame comprising a second upper surface, a second right upper media frame side, a second left upper media frame side, a second front upper media frame side and a second back upper media frame side, the second upper media frame interacts with a second upper equipment engagement feature of the HVAC unit, the second upper equipment engagement feature of suitable size and shape to be engaged with the HVAC unit into which the second customizable HVAC filter cartridge is inserted, the second upper media frame additionally comprising a second upper media securing compressor around an interior circumference or boundary of the second upper media frame; and
c) releasably securing the first customizable HVAC filter cartridge to the second customizable HVAC filter cartridge in a manner that permits airflow through the first customizable HVAC filter cartridge to the second customizable HVAC filter cartridge in the heating ventilation and air conditioning unit.