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CPC
COOPERATIVE PATENT CLASSIFICATION
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F17C
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 B65G 5/00; construction or assembling of bulk storage containers employing civil-engineering techniques E04H 7/00; variable-capacity gas-holders F17B; liquefaction or refrigeration machines, plants, or systems F25)
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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 to B64; pressure vessels in general F16J 12/00;
{
autoclaves B01J 3/04; tank vehicles B60P 3/22; railway tank wagons for carrying fluent materials B61D 5/00; accumulators for supplying fluid under pressure F15B 1/04; liquified gas stoves F24C 3/00
}
)
F17C 1/002
.
{
Storage in barges or on ships
}
F17C 1/005
.
{
Storage of gas or gaseous mixture at high pressure and at high density condition, e.g. in the single state phase
}
F17C 1/007
.
{
Underground or underwater storage
}
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F17C 1/02
.
involving reinforcing arrangements
{
F17C 1/14, F17C 1/16 take precedence
}
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F17C 1/04
. .
Protecting sheathings
F17C 1/06
. . .
Built-up from wound-on bands or filamentary material, e.g. wires
F17C 1/08
. .
Integral reinforcements, e.g. ribs
F17C 1/10
.
with provision for protection against corrosion e.g. due to gaseous acid (
{
F17C 1/14, F17C 1/16 take precedence
}
; inhibiting corrosion of metallic material or incrustation in general C23F)
F17C 1/12
.
with provision for thermal insulation (
{
F17C 1/14, F17C 1/16 take precedence
}
; thermal insulation in general F16L 59/00)
F17C 1/14
.
constructed of aluminium; constructed of non-magnetic steel
F17C 1/16
.
constructed of plastics materials
{
(shaping of plastics B29C)
}
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F17C 3/00
Vessels not under pressure
F17C 3/005
.
{
Underground or underwater containers or vessels (storing in natural or artificial cavities in the earth in general B65G 5/00)
}
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F17C 3/02
.
with provision for thermal insulation (thermal insulation in general F16L 59/00)
{
refrigerators F25D; insulation specially adapted for cryogenic vessels F17C 13/001; tank vehicles B60P 3/22; railway tank wagons B61D 5/00
}
F17C 3/022
. .
{
Land-based bulk storage containers (civil engineering aspects E04H 7/00)
}
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F17C 3/025
. .
{
Bulk storage in barges or on ships (constructive aspects B63B 25/16)
}
F17C 3/027
. . .
{
Wallpanels for so-called membrane tanks
}
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F17C 3/04
. .
by insulating layers (F17C 3/08 takes precedence)
F17C 3/06
. . .
on the inner surface, i.e. in contact with the stored fluid
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F17C 3/08
. .
by vacuum spaces, e.g. Dewar flask (for household use A47J 41/02)
F17C 3/085
. . .
{
Cryostats
}
F17C 3/10
. .
by liquid-circulating or vapour-circulating jackets
F17C 3/12
.
with provision for protection against corrosion, e.g. due to gaseous acid (protection against corrosion in general C23F)
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F17C 5/00
Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures (adding propellants to aerosol containers B65B 31/00)
NOTE
-
This group includes not only the filling of vessels for storage of compressed or liquefied gases, but also the filling of pressurised apparatus insofar as it is not covered by a single other subclass, e.g. A62C, B05B.

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F17C 5/002
.
{
Automated filling apparatus
}
F17C 5/005
. .
{
for gas bottles, such as on a continuous belt or on a merry-go-round
}
F17C 5/007
. .
{
for individual gas tanks or containers, e.g. in vehicles (filling with liquid fuel not under pressure, B60S 5/02, B67D5/00)
}
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F17C 5/02
.
for filling with liquefied gases
F17C 5/04
. .
requiring the use of refrigeration, e.g. filling with helium or hydrogen
F17C 5/06
.
for filling with compressed gases
F17C 6/00
Methods and apparatus for filling vessels not under pressure with liquefied or solidified gases
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F17C 7/00
Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
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F17C 7/02
.
Discharging liquefied gases
F17C 7/04
. .
with change of state, e.g. vaporisation
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F17C 9/00
Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
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F17C 9/02
.
with change of state, e.g. vaporisation
F17C 9/04
. .
Recovery of thermal energy
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F17C 11/00
Use of gas-solvents or gas-sorbents in vessels
{
(absorbing compositions for acetylene C10L 3/04; absorbing compositions for hydrogen C01B 3/0005)
}
F17C 11/002
.
{
for acetylene
}
F17C 11/005
.
{
for hydrogen
}
F17C 11/007
.
{
for hydrocarbon gases, such as methane or natural gas, propane, butane or mixtures thereof (LPG)
}
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F17C 13/00
Details of vessels or of the filling or discharging of vessels
F17C 13/001
.
{
Thermal insulation specially adapted for cryogenic vessels (vessels not under pressure with insulation F17C 3/02; thermal insulation in general F16L 59/00)
}
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F17C 13/002
.
{
for vessels under pressure (F17C 13/008 and F17C 13/02 to F17C 13/12 take precedence)
}
F17C 13/003
. .
{
Means for coding or identifying them and/or their contents
}
F17C 13/004
.
{
for large storage vessels not under pressure (F17C 13/008 and F17C 13/02 to F17C 13/12 take precedence)
}
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F17C 13/005
.
{
for medium-size and small storage vessels not under pressure (F17C 13/008 and F17C 13/02 to F17C 13/12 take precedence)
}
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F17C 13/006
. .
{
for Dewar vessels or cryostats
}
F17C 13/007
. . .
{
used for superconducting phenomena (investigating by nuclear magnetic resonance G01N 24/08; magnets having superconductive winding H01F 6/00)
}
F17C 13/008
.
{
for use under microgravity conditions
}
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F17C 13/02
.
Special adaptations of indicating, measuring, or monitoring equipment (measuring in general G01)
F17C 13/021
. .
{
having the height as the parameter
}
F17C 13/023
. .
{
having the mass as the parameter
}
F17C 13/025
. .
{
having the pressure as the parameter
}
F17C 13/026
. .
{
having the temperature as the parameter
}
F17C 13/028
. .
{
having the volume as the parameter
}
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F17C 13/04
.
Arrangement or mounting of valves (valves per se F16K;
{
snap-coupling of nipples F16L 37/00
}
)
F17C 13/045
. .
{
Automatic change-over switching assembly for bottled gas systems with two (or more) gas containers
}
F17C 13/06
.
Closures, e.g. cap, breakable member (
{
for autoclaves B01J 3/03
}
; closures for
{
large
}
 containers in general B65D
{
B65D 90/54
}
;
{
for pressure vessels in general F16J 13/00
}
)
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F17C 13/08
.
Mounting arrangements for vessels
F17C 13/081
. .
{
for large land-based storage vessels (supports for large containers in general B65D 90/12)
}
F17C 13/082
. .
{
for large sea-borne storage vessels (load-accomodating arrangements for ships or waterborne vessels B63B 25/12)
}
F17C 13/083
. .
{
for medium-sized mobile storage vessels, e.g. tank vehicles or railway tank vehicles
}
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F17C 13/084
. .
{
for small-sized storage vessels, e.g. compressed gas cylinders or bottles, disposable gas vessels, vessels adapted for automotive use
}
F17C 13/085
. . .
{
on wheels (hand carts B62B)
}
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F17C 13/086
. .
{
for Dewar vessels or cryostats
}
F17C 13/087
. . .
{
used for superconducting phenomena
}
F17C 13/088
. .
{
for use under microgravity conditions
}
F17C 13/10
.
Arrangements for preventing freezing
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F17C 13/12
.
Arrangements or mounting of devices for preventing or minimising the effect of explosion (flame traps A62C 4/00);
{
Other safety measures
}
F17C 13/123
. .
{
for gas bottles, cylinders or reservoirs for tank vehicles or for railway tank wagons
}
F17C 13/126
. .
{
for large storage containers for liquefied gas (for large containers in general B65D 90/22)
}
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F17C 2201/00
Vessel construction, in particular geometry, arrangement or size
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F17C 2201/01
.
Shape
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F17C 2201/0104
. .
cylindrical
F17C 2201/0109
. . .
with exteriorly curved end-piece
F17C 2201/0114
. . .
with interiorly curved end-piece
F17C 2201/0119
. . .
with flat end-piece
F17C 2201/0123
. . .
with variable thickness or diameter
F17C 2201/0128
. .
spherical or elliptical
F17C 2201/0133
. .
toroidal
F17C 2201/0138
. .
tubular
F17C 2201/0142
. .
conical
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F17C 2201/0147
. .
complex
F17C 2201/0152
. . .
Lobes
F17C 2201/0157
. . .
Polygonal
F17C 2201/0161
. . .
Honeycomb
F17C 2201/0166
. . .
divided in several chambers
F17C 2201/0171
. . .
comprising a communication hole between chambers
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F17C 2201/0176
. .
variable
F17C 2201/018
. . .
with bladders
F17C 2201/0185
. . .
with separating membrane
F17C 2201/019
. . .
with pistons
F17C 2201/0195
. . .
with bellows
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F17C 2201/03
.
Orientation
F17C 2201/032
. .
with substantially vertical main axis
F17C 2201/035
. .
with substantially horizontal main axis
F17C 2201/037
. .
with sloping main axis
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F17C 2201/05
.
Size
F17C 2201/052
. .
large (>1000 m3)
F17C 2201/054
. .
medium (>1 m3)
F17C 2201/056
. .
Small (<1 m3)
F17C 2201/058
. .
portable (<30 l)
F17C 2201/06
.
Vessel construction using filling material in contact with the handled fluid
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F17C 2203/00
Vessel construction, in particular walls or details thereof
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F17C 2203/01
.
Reinforcing or suspension means
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F17C 2203/011
. .
Reinforcing means
F17C 2203/012
. . .
on or in the wall, e.g. ribs
F17C 2203/013
. . .
in the vessel, e.g. columns
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F17C 2203/014
. .
Suspension means
F17C 2203/015
. . .
Bars
F17C 2203/016
. . .
Cords
F17C 2203/017
. . .
Magnetic means
F17C 2203/018
. . .
by attachment at the neck
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F17C 2203/03
.
Thermal insulations
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F17C 2203/0304
. .
by solid means
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F17C 2203/0308
. . .
Radiation shield
F17C 2203/0312
. . . .
cooled by external means
F17C 2203/0316
. . . .
cooled by vaporised gas from the interior
F17C 2203/032
. . . .
Multi-sheet layers
F17C 2203/0325
. . .
Aerogel
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F17C 2203/0329
. . .
Foam
F17C 2203/0333
. . . .
Polyurethane
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F17C 2203/0337
. . .
Granular
F17C 2203/0341
. . . .
Perlite
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F17C 2203/0345
. . .
Fibres
F17C 2203/035
. . . .
Glass wool
F17C 2203/0354
. . .
Wood
F17C 2203/0358
. . .
in form of panels
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F17C 2203/0362
. .
by liquid means
F17C 2203/0366
. . .
Cryogen
F17C 2203/037
. . .
Water
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F17C 2203/0375
. .
by gas
F17C 2203/0379
. . .
Inert
F17C 2203/0383
. . .
Air
F17C 2203/0387
. . .
Cryogen
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F17C 2203/0391
. .
by vacuum
F17C 2203/0395
. . .
Getter
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F17C 2203/06
.
Materials for walls or layers thereof; Properties or structures of walls or their materials
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F17C 2203/0602
. .
Wall structures; Special features thereof
F17C 2203/0604
. . .
Liners
F17C 2203/0607
. . .
Coatings
F17C 2203/0609
. . .
Straps, bands or ribbons
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F17C 2203/0612
. . .
Wall structures
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F17C 2203/0614
. . . .
Single wall
F17C 2203/0617
. . . . .
with one layer
F17C 2203/0619
. . . . .
with two layers
F17C 2203/0621
. . . . .
with three layers
F17C 2203/0624
. . . . .
with four or more layers
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F17C 2203/0626
. . . .
Multiple walls
F17C 2203/0629
. . . . .
Two walls
F17C 2203/0631
. . . . .
Three or more walls
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F17C 2203/0634
. .
Materials for walls or layers thereof
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F17C 2203/0636
. . .
Metals
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F17C 2203/0639
. . . .
Steels
F17C 2203/0641
. . . . .
Non-magnetic steels
F17C 2203/0643
. . . . .
Stainless steels
F17C 2203/0646
. . . .
Aluminium
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F17C 2203/0648
. . . .
Alloys or compositions of metals
F17C 2203/0651
. . . . .
Invar
F17C 2203/0653
. . . .
Lead
F17C 2203/0656
. . . .
in form of filaments
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F17C 2203/0658
. . .
Synthetics
F17C 2203/066
. . . .
Plastics
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F17C 2203/0663
. . . .
in form of fibers or filaments
F17C 2203/0665
. . . . .
radially wound
F17C 2203/0668
. . . . .
axially wound
F17C 2203/067
. . . . .
helically wound
F17C 2203/0673
. . . . .
Polymers
F17C 2203/0675
. . . .
with details of composition
F17C 2203/0678
. . .
Concrete
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F17C 2203/068
. .
Special properties of materials for vessel walls
F17C 2203/0682
. . .
with liquid or gas layer
F17C 2203/0685
. . .
flexible
F17C 2203/0687
. . .
superconducting
F17C 2203/069
. . .
Break point in the wall
F17C 2203/0692
. . .
transparent
F17C 2203/0695
. . .
pre-constrained
F17C 2203/0697
. . .
comprising nanoparticles
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F17C 2205/00
Vessel construction, in particular mounting arrangements, attachments or identifications means
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F17C 2205/01
.
Mounting arrangements
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F17C 2205/0103
. .
Exterior arrangements
F17C 2205/0107
. . .
Frames
F17C 2205/0111
. . .
Boxes
F17C 2205/0115
. . .
Dismountable protective hulls
F17C 2205/0119
. . .
Vessel walls form part of another structure
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F17C 2205/0123
. .
characterised by number of vessels
F17C 2205/0126
. . .
One vessel
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F17C 2205/013
. . .
Two or more vessels
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F17C 2205/0134
. . . .
characterised by the presence of fluid connection between vessels
F17C 2205/0138
. . . . .
bundled in series
F17C 2205/0142
. . . . .
bundled in parallel
F17C 2205/0146
. . . . .
with details of the manifold
F17C 2205/0149
. . . .
Vessel mounted inside another one
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F17C 2205/0153
. .
Details of mounting arrangements
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F17C 2205/0157
. . .
for transport
F17C 2205/0161
. . . .
with wheels
F17C 2205/0165
. . . .
with handgrip
F17C 2205/0169
. . .
stackable
F17C 2205/0173
. . .
lockable
F17C 2205/0176
. . .
with ventilation
F17C 2205/018
. . .
Supporting feet
F17C 2205/0184
. . .
Attachments to the ground, e.g. mooring or anchoring
F17C 2205/0188
. . .
Hanging up devices
F17C 2205/0192
. . .
with external bearing means
F17C 2205/0196
. . .
with shock absorbing means
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F17C 2205/03
.
Fluid connections, filters, valves, closure means or other attachments
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F17C 2205/0302
. .
Fittings, valves, filters, or components in connection with the gas storage device
F17C 2205/0305
. . .
Bosses, e.g. boss collars
F17C 2205/0308
. . .
Protective caps
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F17C 2205/0311
. . .
Closure means
F17C 2205/0314
. . . .
breakable, e.g. with burst discs
F17C 2205/0317
. . . .
fusing or melting
F17C 2205/032
. . . .
pierceable
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F17C 2205/0323
. . .
Valves
F17C 2205/0326
. . . .
electrically actuated
F17C 2205/0329
. . . .
manually actuated
F17C 2205/0332
. . . .
Safety valves or pressure relief valves
F17C 2205/0335
. . . .
Check-valves or non-return valves
F17C 2205/0338
. . .
Pressure regulators
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F17C 2205/0341
. . .
Filters
F17C 2205/0344
. . . .
Sinter type
F17C 2205/0347
. . . .
Active charcoal type
F17C 2205/035
. . .
Flow reducers
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F17C 2205/0352
. . .
Pipes
F17C 2205/0355
. . . .
Insulation thereof
F17C 2205/0358
. . . .
coaxial
F17C 2205/0361
. . . .
corrugated
F17C 2205/0364
. . . .
flexible or articulated, e.g. a hose
F17C 2205/0367
. . . .
Arrangements in parallel
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F17C 2205/037
. . .
Quick connecting means, e.g. couplings
F17C 2205/0373
. . . .
Adapters
F17C 2205/0376
. . .
Dispensing pistols
F17C 2205/0379
. . .
Manholes or access openings for human beings
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F17C 2205/0382
. . .
Constructional details of valves, regulators
F17C 2205/0385
. . . .
in blocks or units
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F17C 2205/0388
. .
Arrangement of valves, regulators, filters
F17C 2205/0391
. . .
inside the pressure vessel
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F17C 2205/0394
. . .
in direct contact with the pressure vessel
F17C 2205/0397
. . . .
on both sides of the pressure vessel
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F17C 2205/05
.
Vessel or content identifications, e.g. labels
F17C 2205/051
. .
by coating
F17C 2205/052
. .
by stickers
F17C 2205/054
. .
by bar codes
F17C 2205/055
. .
by magnetic means
F17C 2205/057
. .
by chips
F17C 2205/058
. .
by Radio Frequency Identification
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F17C 2209/00
Vessel construction, in particular methods of manufacturing
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F17C 2209/21
.
Shaping processes
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F17C 2209/2109
. .
Moulding
F17C 2209/2118
. . .
by injection
F17C 2209/2127
. . .
by blowing
F17C 2209/2136
. . .
using wax moulds
F17C 2209/2145
. . .
by rotation
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F17C 2209/2154
. .
Winding
F17C 2209/2163
. . .
with a mandrel
F17C 2209/2172
. .
Polishing
F17C 2209/2181
. .
Metal working processes, e.g. deep drawing, stamping or cutting
F17C 2209/219
. .
Working processes for non metal materials, e.g. extruding
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F17C 2209/22
.
Assembling processes
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F17C 2209/221
. .
Welding
F17C 2209/222
. . .
by friction
F17C 2209/224
. .
Press-fitting; Shrink-fitting
F17C 2209/225
. .
Spraying
F17C 2209/227
. .
by adhesive means
F17C 2209/228
. .
by screws, bolts or rivets
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F17C 2209/23
.
Manufacturing of particular parts or at special locations
F17C 2209/232
. .
of walls
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F17C 2209/234
. .
of closing end pieces, e.g. caps
F17C 2209/236
. . .
Apparatus therefore
F17C 2209/238
. .
Filling of insulants
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F17C 2221/00
Handled fluid, in particular type of fluid
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F17C 2221/01
.
Pure fluids
F17C 2221/011
. .
Oxygen
F17C 2221/012
. .
Hydrogen
F17C 2221/013
. .
Carbone dioxide
F17C 2221/014
. .
Nitrogen
F17C 2221/015
. .
Carbon monoxide
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F17C 2221/016
. .
Noble gases (Ar, Kr, Xe)
F17C 2221/017
. . .
Helium
F17C 2221/018
. .
Acetylene
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F17C 2221/03
.
Mixtures
F17C 2221/031
. .
Air
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F17C 2221/032
. .
Hydrocarbons
F17C 2221/033
. . .
Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
F17C 2221/035
. . .
Propane butane, e.g. LPG, GPL
F17C 2221/036
. . .
Hydrates
F17C 2221/037
. .
Containing polluant, e.g. H2S, Cl
F17C 2221/038
. .
Refrigerants
F17C 2221/05
.
Ultrapure fluid
F17C 2221/07
.
Hyperpolarised gases
F17C 2221/08
.
Ergols, e.g. hydrazine
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Guide Heading:
Fluid contained in the vessel; Filling and discharging the fluid
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F17C 2223/00
Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
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F17C 2223/01
.
characterised by the phase
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F17C 2223/0107
. .
Single phase
F17C 2223/0115
. . .
dense or supercritical, i.e. at high pressure and high density
F17C 2223/0123
. . .
gaseous, e.g. CNG, GNC
F17C 2223/013
. . .
liquid
F17C 2223/0138
. . .
solid
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F17C 2223/0146
. .
Two-phase
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Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
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Propulsion of the fluid
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by pressurising the ullage
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with vacuum injectors, e.g. venturi
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by gravity
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with pumps or compressors
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with recovery of heat
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Localisation of heat exchange
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Methods for emptying or filling
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by pressure cascade
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by purging
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by vacuum
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by even emptying or filling
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by repeating a process cycle
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by maintaining residual pressure
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Accessories; Control means; Indicating, measuring or monitoring of parameters
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Intermediate tanks
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Control means
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using computers
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using wireless transmissions
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using alarms
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using cameras
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Indicating or measuring of parameters as input values
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Parameters indicated or measured
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Level of content in the vessel
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Mass or weight of the content of the vessel
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the indicated parameter is a converted measured parameter
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Controlling or regulating of parameters as output values
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Mass or weight of the content of the vessel
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Actions triggered by measured parameters
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when empty
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Purposes of gas storage and gas handling
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Improving mechanical properties or manufacturing
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Improving strength
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Reducing weight
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Reducing manufacturing time or effort
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Facilitating maintenance
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Preventing slosh
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by calculation
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Adapting dimensions
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Improving properties related to fluid or fluid transfer
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Avoiding over pressurising
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Avoiding overfilling
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Avoiding overheating
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Improving metering
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Reducing transfer time
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by calculation
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Making transfer independent of vessel orientation
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Avoiding unauthorised transfer
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Dealing with losses
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Avoiding freezing or defrosting
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by enhancing insulation
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of fluid
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Avoiding leaks
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Handling leaked fluid
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Detecting leaked fluid
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Reducing risks and environmental impact
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Reducing risk of explosion
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Avoiding pollution or contamination
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Enhancing energy recovery
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Refurbishing
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Improving chemical properties
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Reducing corrosion
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Improving fluid characteristics
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Purposes or effects
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Effects achieved by gas storage or gas handling
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Purifying the fluid
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by filtering
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by separating
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different phases of a same fluid
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Mixing fluids
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identical fluid
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different fluids
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with odorizing
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Treating the boil-off
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by discharge
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by recovery
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with cooling
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with condensing the gas phase
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with subcooling the liquid phase
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with heating
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with pressurising
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with expanding
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using an independent energy source, e.g. battery
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Regasification
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Fluid distribution
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for supply of supplying vehicles
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for supply of refueling stations
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for refueling vehicle fuel tanks
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for feeding engines for propulsion
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Distribution pipeline networks
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Generating electrical power as side effect
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Applications
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for fluid transport or storage
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on or in the water
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immerged
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Offshore
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Terminals
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placed above the ground
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placed underground
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Location of cavity
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onshore
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offshore
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on the road
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by vehicles
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Trucks
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Railways
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Buses
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Cars
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Airbags
F17C 2270/0184
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Fuel cells
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in the air or in space
F17C 2270/0189
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Planes
F17C 2270/0192
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Hot air balloons
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for use under microgravity conditions, e.g. space
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Rockets
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for medical applications
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Breathing
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for industrial use
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"Dewar" vessels
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Semiconductors
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Supra-conductors
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Magnetic resonance imaging
F17C 2270/0545
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Tools
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Hydraulic applications
F17C 2270/0563
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Pneumatic applications
F17C 2270/0572
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Isostatic presses
F17C 2270/0581
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Power plants
F17C 2270/059
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Mass botteling, e.g. merry belts
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for household use
F17C 2270/0709
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Camping gas
F17C 2270/0718
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Aerosols
F17C 2270/0727
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Thermos flasks
F17C 2270/0736
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Capsules, e.g. CO2
F17C 2270/0745
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Gas bottles
F17C 2270/0754
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Fire extinguishers
F17C 2270/0763
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Fuel cells
F17C 2270/0772
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Inflation devices, e.g. for rescue vests or tyres
F17C 2270/0781
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Diving equipments
F17C 2270/079
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Respiration devices for rescuing
This page is owned by Office of Patent Classification.
Last Modified: 04/16/2013 4:31:16 PM