Radiant energy collection and conversion apparatus and method

Radiant heat engine

Rankine cycle generation of electricity

Rankine cycle power plant utilizing organic working fluid

Rankine cycle system employing seasonal temperature variations

Reactor for solar processing of slightly-absorbing or...

Reciprocating solar engine

Recovery of energy from geothermal brine and other aqueous sourc

Recovery of energy from geothermal brine and other hot water sou

Recovery of power from low level heat sources

Regasification of liquefied natural gas (LNG) aboard a transport

Regasification system and method

Regenerative screw expander

Removal of carbon dioxide in geothermal power systems

Renewable portable stored energy power generating apparatus...

Retrofit equipment for reducing the consumption of fossil...

Retrofit equipment for reducing the consumption of fossil...

Retrofit equipment for reducing the consumption of fossil...

Rotary heat engine

Rotating heat pipe solar power generator