Patent ID: 7992722

Claim:
A fluid filter housing constructed and arranged for receipt of fluid filter media and attachment to a mounting base, said fluid filter housing comprising: a plastic shell including a sidewall defining an open end and a hollow interior for receipt of said fluid filter media, said plastic shell further including an annular radial shelf adjacent said open end; an annular, threaded nutplate constructed and arranged for attachment to said mounting base, said threaded nutplate including a groove-side surface and a threaded section having a base end adjacent the groove-side surface; a plastic weld ring securely joined to said threaded nutplate and to said plastic shell, said plastic weld ring including a radially inward facing annular wall; and said annular radial shelf, said groove-side surface, and said radially inward facing annular wall cooperating to define three sides of an annular seal groove adjacent the base end of the threaded section and that is constructed and arranged to receive an annular seal for sealing an interface between said fluid filter housing and said mounting base.