Patent ID: 9290731
Filing Date: 2016-03-22
CPC Classification: B01D,C12M,G01N

Claim Text:
1. A filter apparatus comprising: a) a first reservoir defined by an inner circumferential surface of a first sidewall; b) a first opening defined by the first sidewall, the first opening in communication with the first reservoir and defining a first inlet-outlet port to the first reservoir, the first opening open to the environment; c) a second reservoir defined by an inner circumferential surface of a second sidewall; d) a second opening defined by the second sidewall, the second opening in communication with the second reservoir and defining a second inlet-outlet port to the second reservoir, the second opening open to the environment; e) one filter centrally positioned between the first opening and the second opening, the one filter having a first surface adjacent and in communication with the first reservoir and spaced from the first opening, and a second surface opposed to the first surface, the second surface adjacent and in communication with the second reservoir and spaced from the second opening, the one filter having a pore size of between 5 microns and 100 microns; f) a first seating surface seatable on a rim of a fluid vessel to couple the filter apparatus to the fluid vessel, wherein when the first seating surface is seated on the rim of the fluid vessel, the first opening is positioned within the fluid vessel, and the second opening is positioned above the fluid vessel; and g) a second seating surface seatable on the rim of the fluid vessel to couple the filter apparatus to the fluid vessel, wherein when the second seating surface is seated on the rim of the fluid vessel, the second opening is positioned within the fluid vessel, and the first opening is positioned above the fluid vessel; wherein the first side wall and second sidewall are both generally cylindrical and have a constant diameter between the filter and the first opening and the filter and the second opening, respectively, and wherein the first seating surface and second seating surface are provided by at least a first flange extending radially outwardly from an outer circumferential surface of at least one of the first sidewall and the second sidewall.