30 results about "Window screen" patented technology

A window screen (also known as insect screen, bug screen, fly screen, wire mesh) is designed to cover the opening of a window. It is usually a mesh made of plastic wire, or other pieces of plastic and stretched in a frame of wood or metal. It serves to keep leaves, debris, spiders, insects, birds, and other animals from entering a building or a screened structure such as a porch, without blocking fresh air-flow.