• All sections
• F - Mechanical engineering; lighting; heating; weapons; blasting
• F04F - Pumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumped; siphons
• F04F 5/20 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating

Patent holdings for IPC class F04F 5/20

Total number of patents in this class: 193

10-year publication summary

Principal owners for this class