IPC Classification

Class code (prefix) Descriptions Number of results
F17C 1/00 Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
F17C 1/02 Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
F17C 1/04 Protecting sheatings
F17C 1/06 Protecting sheatings built-up from wound-on bands or filamentary material, e.g. wires
F17C 1/08 Integral reinforcements, e.g. ribs
F17C 1/10 Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge with provision for protection against corrosion, e.g. due to gaseous acid
F17C 1/12 Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge with provision for thermal insulation
F17C 1/14 Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of non-magnetic steel
F17C 1/16 Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of plastics materials
F17C 3/00 Vessels not under pressure
F17C 3/02 Vessels not under pressure with provision for thermal insulation
F17C 3/04 Vessels not under pressure with provision for thermal insulation by insulating layers
F17C 3/06 Vessels not under pressure with provision for thermal insulation by insulating layers on the inner surface, i.e. in contact with the stored fluid
F17C 3/08 Vessels not under pressure with provision for thermal insulation by vacuum spaces, e.g. Dewar flask
F17C 3/10 Vessels not under pressure with provision for thermal insulation by liquid-circulating or vapour-circulating jackets
F17C 3/12 Vessels not under pressure with provision for protection against corrosion, e.g. due to gaseous acid
F17C 5/00 Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases
F17C 5/02 Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases for filling with liquefied gases
F17C 5/04 Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases for filling with liquefied gases requiring the use of refrigeration, e.g. filling with helium or hydrogen
F17C 5/06 Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases for filling with compressed gases
F17C 6/00 Methods or apparatus for filling vessels not under pressure with liquefied or solidified gases
F17C 7/00 Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
F17C 7/02 Discharging liquefied gases
F17C 7/04 Discharging liquefied gases with change of state, e.g. vaporisation
F17C 9/00 Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
F17C 9/02 Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure with change of state, e.g. vaporisation
F17C 9/04 Recovery of thermal energy
F17C 11/00 Use of gas-solvents or gas-sorbents in vessels
F17C 13/00 VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES - Details of vessels or of the filling or discharging of vessels
F17C 13/02 Special adaptations of indicating, measuring, or monitoring equipment
F17C 13/04 Arrangement or mounting of valves
F17C 13/06 Closures, e.g. cap, breakable member
F17C 13/08 Mounting arrangements for vessels
F17C 13/10 Arrangements for preventing freezing
F17C 13/12 Arrangements or mounting of devices for preventing or minimising the effect of explosion