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 (storing fluids in natural or artificial cavities or chambers in the earth B65G5/00; construction or assembling of bulk storage containers employing civil-engineering techniques E04H7/00; variable-capacity gas-holders F17B; liquefaction or refrigeration machines, plants, or systems F25)

Child Classifications

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• F17C 1/00 Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge (pressurised apparatus for purposes other than storage, see the relevant subclasses such as A62C, B05B; associated with vehicles, see the appropriate subclass of classes B60 - B64; pressure vessels in general F16J12/00 ) +3 CPC IPC+CPC Available in IPC and CPC
• F17C 11/00 Use of gas-solvents or gas-sorbents in vessels +3 CPC IPC+CPC Available in IPC and CPC
• F17C 13/00 Details of vessels or of the filling or discharging of vessels +5 CPC IPC+CPC Available in IPC and CPC
• F17C 2201/00 Vessel construction, in particular geometry, arrangement or size 2nd only +4 CPC CPC only CPC only
• F17C 2203/00 Vessel construction, in particular walls or details thereof 2nd only +3 CPC CPC only CPC only
• F17C 2205/00 Vessel construction, in particular mounting arrangements, attachments or identifications means 2nd only +3 CPC CPC only CPC only
• F17C 2209/00 Vessel construction, in particular methods of manufacturing 2nd only +3 CPC CPC only CPC only
• F17C 2221/00 Handled fluid, in particular type of fluid 2nd only +5 CPC CPC only CPC only
• F17C 2223/00 Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel 2nd only +3 CPC CPC only CPC only
• F17C 2225/00 Handled fluid after transfer, i.e. state of fluid after transfer from the vessel 2nd only +3 CPC CPC only CPC only
• F17C 2227/00 Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid 2nd only +3 CPC CPC only CPC only
• F17C 2250/00 Accessories; Control means; Indicating, measuring or monitoring of parameters 2nd only +5 CPC CPC only CPC only
• F17C 2260/00 Purposes of gas storage and gas handling 2nd only +5 CPC CPC only CPC only
• F17C 2265/00 Effects achieved by gas storage or gas handling 2nd only +7 CPC CPC only CPC only
• F17C 2270/00 Applications 2nd only +4 CPC CPC only CPC only
• F17C 3/00 Vessels not under pressure +1 CPC IPC+CPC Available in IPC and CPC
• F17C 5/00 Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures (adding propellants to aerosol containers B65B31/00) +1 CPC IPC+CPC Available in IPC and CPC
• F17C 6/00 Methods and apparatus for filling vessels not under pressure with liquefied or solidified gases since 1980 IPC+CPC Available in IPC and CPC
• F17C 7/00 Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass IPC+CPC Available in IPC and CPC
• F17C 9/00 Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure IPC+CPC Available in IPC and CPC