• All sections
• F - Mechanical engineeringlightingheatingweaponsblasting
• F04F - Pumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumpedsiphons
• F04F 1/02 - Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped using both positively and negatively pressurised fluid medium, e.g. alternating

Patent holdings for IPC class F04F 1/02

Total number of patents in this class: 44

10-year publication summary

Principal owners for this class