US Patent 10487492 Enhanced drain cover

A drain cover includes: (a) a cover portion including a first plate portion defining a plurality of first holes, the first plate portion including a first top surface and a first bottom surface; (b) a securing portion including a second plate portion, the second plate portion including a second top surface and a second bottom surface, the first bottom surface being flush against and in contact with the second top surface, the second plate portion defining a plurality of second holes coaxial with the first holes; (c) a plurality of draw necks comprising a corresponding plurality of neck extensions that form lamination-retention collars, each of the plurality of retention collars including an upper surface and a lower surface, the upper surfaces being at least partially flush against and in contact with the second bottom surface, the lower surfaces being curved and flared.