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CPC
COOPERATIVE PATENT CLASSIFICATION
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AIR-CUSHION VEHICLES (devices for short-distance movement of heavy loads by providing a high-pressure fluid cushion, supplied from an independent source, between load and ground B65G 7/06) [2013‑01]
NOTE
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The term "air-cushion vehicles" in this subclass includes all vehicles which are wholly or partly supported on land or water by air or other gaseous cushions

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Air-cushion (land vehicles, waterborne vessels, or aircraft adapted or modified to travel on air cushion B60V 3/00) [2013‑01]
.
wherein the cushion is generated and contained by at least one peripheral fluid curtain [2013‑01]
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.
wherein the cushion is contained at least in part by walls [2013‑01]
. .
{
the walls being flexible (skirt details B60V 1/16)
}
[2013‑01]
B60V 1/046
. .
{
the walls or a part of them being rigid
}
[2013‑01]
.
wherein the cushion is formed within plenum chamber [2013‑01]
.
wherein the cushion is created during forward movement of the vehicle by ram effect [2013‑01]
.
in which the curtain-forming nozzle or the vehicle base is shaped to create a vortex curtain [2013‑01]
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Stability or attitude control [2013‑01]
B60V 1/115
. .
{
by ground or water engaging means, e.g. rudders or wheels
}
[2013‑01]
. .
by dividing the cushion [2013‑01]
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Propulsion; Control thereof (B60V 1/11 takes precedence) [2013‑01]
B60V 1/145
. .
{
using a watter propeller
}
[2013‑01]
B60V 1/15
. .
using part of the cushion-forming fluid [2013‑01]
.
Flexible skirts [2013‑01]
.
Body structure [2013‑01]
.
Spray deflectors [2013‑01]
.
provided with hydrofoils (hydrofoils per se B63B 1/24) [2013‑01]
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B60V 3/00
Land vehicles, waterborne vessels, or aircraft, adapted or modified to travel on air cushions [2013‑01]
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Land vehicles, e.g. road vehicles [2013‑01]
. .
{
co-operating with a flat surface, e.g. transporting loads on platforms
}
[2013‑01]
. .
co-operating with rails or other guiding means, e.g. with air cushion between rail and vehicle [2013‑01]
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Waterborne vessels [2013‑01]
. .
{
hulls therefor
}
[2013‑01]
.
Aircraft, e.g. air-cushion alighting-gear therefor [2013‑01]
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013