Horizontal-axis wind generator
Hose occluding pulley block for wave-powered, reciprocating...
Hot gas engine with one or more heaters
Hot-gas reciprocating machine, comprising a device for...
Housing for duct-mounted turbine-generator assemblies
Hub for impellers with turnable vanes
Hubless windmill
Human or animal power converted to electricity
Human power
Hybrid renewable energy turbine using wind and solar power
Hybrid wind turbine system, apparatus and method
Hydraulic actuator
Hydraulic air compressor
Hydraulic anti-shimmy device for caster wheels
Hydraulic apparatus
Hydraulic apparatus
Hydraulic apparatus
Hydraulic apparatus
Hydraulic apparatus
Hydraulic apparatus