US Patent 7568256 Heated Windshield Wiper Apparatus

A heated windshield wiper apparatus with replaceable blade is disclosed. The blade is fitted with a plurality of individual heating elements, each element disposed proximal to the apex of the blade. Apex blade heating provides not only increased flexibility for the blade in inclement weather, but also windshield warming. Apex heat also provides for the rapid release of wipers frozen to a windshield. The plurality of electrical contacts for the blade insures substantial apparatus function even with the loss of one or even a few of the heating elements or contacts. Blade removal and replacement is provided for by the contact connections of blade to slide.