Patent ID: 9345372
Filing Date: 2016-05-24
CPC Classification: A47L,B01D,Y10S

Claim Text:
1. A filter cage assembly, comprising: a longitudinal axis; an open bottom and a spaced apart, substantially parallel top surface; one or more circumferential ribs circumscribing the cage and being oriented substantially perpendicular to the longitudinal axis; one or more longitudinally angled rib members formed at an angle relative to the longitudinal axis of the filter cage; a stem extending outward from the top surface and along the longitudinal axis of the filter cage, wherein the circumferential ribs and the longitudinal ribs form a plurality of openings in the cage, and wherein the stem comprises a head portion and a neck region intermediate between the top surface of the cage and the head portion, the head portion having a diameter greater than that of the neck region; and further comprising a shoulder region formed between the top surface of the cage and the neck region, the shoulder region having a diameter greater than that of the neck region, wherein the neck region comprises one or more rib members circumscribing the exterior surface of the neck region.