Patent ID: 7441989

Claim:
A combination of a beaver control device, a culvert pipe and a drainage pipe, said combination comprising: a generally conical screen having opposite first and second ends, said generally conical screen comprising: a base portion at the first end of the generally conical screen, said base portion comprising a first rim sized to receive the end of the culvert pipe in a first opening defined by the first rim; an apex portion at the second end of the generally conical screen, said apex portion comprising a second rim sized to selectively receive the drainage pipe in a second opening defined by the second rim; a plurality of spaced apart rods extending from the first end to the second end and connecting the base and apex portions at spaced apart positions about the first and second rims; and a retaining mechanism cooperative with the generally conical screen and operable to effect selective coupling thereof to the drainage pipe to retain the drainage pipe in position to drain into the culvert.