No-tilt sail – sail that does not make the ship tilt

Partition turbine – the turbine that is designed in such a way that even a minimum temperature difference is enough for it to generate energy

Shape-me-bike is a bicycle driven by the upper body muscles of the cyclist.

Two-form bike – convertible uprigth or recumbent bicycle

LFRR coupling – light, frictionless reciprocating and rotary motions coupling

Several others are now under development.