Patent ID: 7265677

Claim:
A boat alarm system for indicating when a tank is full, the system comprising: a signal and control box; a container connected to the tank; the container comprising a base, a float, an upper portion, and a lower portion; an orifice arranged at the upper portion of the container; the float comprising an electrical contact connected to the signal and control box; the base of the container being arranaed one of above a maximum filling level of the tank and substantially at the same level as the maximum filling level of the tank; a filling conduit for filling the tank; a communication conduit connected to the base of the container and in proximity to an upper portion of the tank; and a vent connected to an air intake conduit, wherein the air intake conduit is connected to the container and the vent is arranged on a hull of the boat, wherein the boat alarm system generates at least one warning signal when the tank is completely filled and the container is partially filled through the communication conduit, and wherein the boat alarm system is arranged on a boat and one end of the filling conduit extends to a tank cap arranged on the boat.