Safety spring
Scavenger energy converter system its new applications and...
Selectively activated shape memory device
Self charging boiler for hydro electricity
Self running machine
Self-sufficient water reserve activated by turbine
Self-winding spring motor
Shape memory alloy actuator with improved temperature control
Shape memory alloy actuators
Shape-memory alloy actuators and control methods
Single actuation push-button driven by a shape memory material
Sme actuator
Sodium electric generator
Solar energy generator
Solar focus electric generation
Solar power generator and water purifier
Solar powered engine and tracking system
Solar powered pump assembly
Solar purifier and water purifying system
Solar wind-wave radial energy vessel