Parts for electric mobile batteries, namely, umbrella valves and inverted umbrella valves for controlling liquid and/or gas fluid flow and sold as an integral component of electric batteries, chemical reactors, fuel cells, batteries, industrial rechargeable batteries, and electric vehicle rechargeable batteries; Parts for electric mobile batteries, namely, thermoplastic materials in the form of membranes, housings, gaskets, seals, fluid controls, cap covers, heat shields and diaphragms for co...