Series & parallel combined dual power drive system
Series-parallel dual power hybrid driving system
Sewer line power generating system
Shaft mounted energy harvesting for wireless sensor...
Ship lock electrical energy generation
Ship lock system with hydroelectric pumped-storage capability
Shock-absorbable electricity-producing apparatus
Shoe generator having a rotor with forward/reverse movement
Shoe sole with liquid-powered electrical generator
Shrouded wind turbine with dual coaxial airflow passageways
Signal generating and transmitting apparatus
Single body motor/generator dual function device
Single core dual circuit heat exchange system
Single speed turbine generator for different power system...
Siphon hydroelectric generator
Skids for rotating machinery
Slip detecting device for a prime mover
Small engine driven generator
Small heat and electricity generating plant
Small hydroelectric power generator