Abstract: Apparatus for manufacturing fresh water which utilizes the energy of surface waves in an ocean, and comprises a buoyant helical member mounted for rotation about an axis. The pitch of the helical member approximates the length of the expected waves and the member is floated on the surface with its axis oriented so that each wave traverses the helix lengthwise and buoyantly supports successive sections thereof causing it to rotate about its axis. The helix is coupled with transducer means for using the rotational energy of the helix to distill the sea water. The ocean is used also as a cooling medium in the distillation process.

Abstract: At the machine side of a coke oven, a leveling rod is moved into a coke oven chamber through an opening surrounded by a frame on a removable oven door. A movable hood is positioned to define a horizontal extension to the opening in the coke oven door to thereby enclose a portion of the leveling rod during its movement into the oven chamber. A support member within the hood is arranged below the lower edge of the frame that surrounds the opening in the door. Bracket plates are carried by the support member such that the leveling rod moves upon the top surface of the uppermost plate. A removable bolt is employed to secure the bracket plates to the support member. The number of bracket plates used determines the elevation at which the leveling rod moves into the oven chamber. An extension insert is removably attached to the roof of the hood above the leveling rod.