Patent ID: 6884274

Claim:
A fluid filter, comprising: a. a sidewall section shaped as a right elliptical cylinder disposed about an axis and having a central cavity therein, the sidewall section having an upper sidewall section and a lower sidewall section, a base of the sidewall section being substantially perpendicular to the axis, the sidewall section having an elliptical eccentricity of between about less than 1.0 to about 0.0; b. a cap section shaped as a right elliptical cone frustum having a base section and an apex section, the cap section being invertedly disposed within the central cavity about the axis, the cap section having an elliptical eccentricity substantially equal to the elliptical eccentricity of the sidewall section; and c. a crown sealably conjoining the upper sidewall section to the base section, the crown having a land affixed to the upper sidewall section and a bevel affixed to the base section.