(under subclass 75) Method or apparatus for the utilization of the energy present in the surface undulations or the tidal variations in the surface level of a natural water body.
SEE OR SEARCH CLASS
60, Power Plants,
497, for wave or tide motors having a buoyant working member.
290, Prime-Mover Dynamo Plants,
42, and 53 for the combination of electric power producing means and a tide or wave motor to drive the same.