Drive gears for marine, coastal and inland waterway vessels

Marine installations and devices, namely, maneuvering installations in the nature of steering gears, rudders, steerable propeller nozzles, and steerable ducted propellers; rudders with twisted rudder blades, balance profile rudders, full-spade rudders, semi-spade rudders, KSR (King Support Rudder) rudders with or without articulated fins, rudder blades with propulsion bulbs, steering nozzles, Kort nozzles, Kort steering nozzles, bow thrusters, screw propellers, propeller nozzles, namely, ducted propellers that are turnable or steerable, transverse thrusters for marine vehicles, guide devices in the nature of ducts, fins and hydrofoils forward of a propeller for controlling the incoming propeller flow for ships; and ducted propellers, namely, propellers fitted with a non-rotating nozzle for controlling the incoming propeller flow for ships

Engineering, research and development, in particular design and conducting calculations of hydrodynamic properties of propeller nozzles, ducted propellers, steering nozzles and Kort nozzles; providing of technical expertise in the nautical field; project research, in particular conducting studies and investigations for the development of vehicular steering technology designs on models and/or vessels, innovation research, namely, development of steering technology elements and drafting of engineering construction documents