Paired beam engines and pumps

Piston engine having a hypocycloidal piston stroke transmission

Piston motion modifiable internal combustion engine

Piston-cam engine

Power transfer mechanism

Radial cam driven internal combustion engine

Radial cylinder machine

Radial engine

Radial engine

Radial internal combustion engine

Radial internal combustion engine

Radial internal combustion engine with floating balanced piston

Radial-piston engine

Reciprocate internal combustion engine

Reciprocating cylinder engine

Reciprocating internal combustion engine

Reciprocating piston engine with adjacent cylinders in the crank

Reciprocating rotary engine

Rotary cam internal combustion radial engine

Rotary engine