Patent ID: 8075219

Claim:
A grate for drainage of liquid from a surface, the grate comprising: a plurality of elongate grate pieces, each grate piece having a solid body with a first end and a second end, each grate piece having at least the first end angled with respect to the body, wherein an edge of the first end of a grate piece is welded to and abuts an adjacent grate piece, and an edge of the second end of the grate piece is welded to and abuts another adjacent grate piece so as to form the grate, and wherein the edge of the first end and the edge of the second end are parallel to each other and to the solid body, wherein the first end and the second end of the body of the grate piece each take the form of a leg, the first leg being longer than the second leg, and a gap is formed between each of the respective bodies of the grate pieces to permit the drainage of liquid between the grate pieces.