• All sections
• F - Mechanical engineeringlightingheatingweaponsblasting
• F02G - Hot-gas or combustion-product positive-displacement engine plantsuse of waste heat of combustion engines, not otherwise provided for
• F02G 1/044 - Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines having at least two working members, e.g. pistons, delivering power output

Patent holdings for IPC class F02G 1/044

Total number of patents in this class: 139

10-year publication summary

Principal owners for this class