Material handling buckets of all types, with and without a grapple system, with and without teeth including but not limited to: Buckets with pivoting back-dragging wings, Buckets with a rotatable hydraulic back-dragging feature, Buckets with carrying, pushing and back-dragging capabilities, Buckets with carrying, pushing, back-dragging, and raking capabilities, Buckets with deployable rotatable ground ripping tines, Buckets with mixing and dispensing capabilities, Buckets with material screen...