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Color Curly Brackets (indicating CPC extensions to IPC)

CPC
COOPERATIVE PATENT CLASSIFICATION
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MARINE PROPULSION OR STEERING(
{
arrangement of propulsion or steering means on amphibious vehicles B60F 3/0007 ;
}
propulsion of air-cushion vehicles B60V 1/14 ; peculiar to submarines, other than nuclear propulsion, B63G; peculiar to torpedoes F42B 19/00 )
NOTE
-
In this subclass, the indexing codes B63B 2201/00 to B63B 2241/00 are to be used for relevant technical information concerning particular or unusual use, materials, design, methods or means

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Propulsive elements directly acting on water( jet propulsion B63H 11/00 ; attachment of propellers on shafts B63H 23/34 )
B63H 2001/005
.
{
using Magnus effect
}
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B63H 1/02
.
of rotary type( endless-track type B63H 1/34 )
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B63H 1/04
. .
with rotation axis substantially at right angles to propulsive direction
B63H 2001/045
. . .
{
with partially immersed nutating or ondulated disks, e.g. wobble plates
}
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B63H 1/06
. . .
with adjustable vanes or blades
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B63H 1/08
. . . .
with cyclic adjustment
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B63H 1/10
. . . . .
of Voith Schneider type, i.e. with blades extending axially from a disc-shaped rotary body
B63H 2001/105
. . . . . .
{
with non-mechanical control of individual blades, e.g. electric or hydraulic control
}
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B63H 1/12
. .
with rotation axis substantially in propulsive direction
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B63H 2001/122
. . .
{
Single or multiple threaded helicoidal screws, or the like, comprising foils extending over a substantial angle; Archimedean screws
}
B63H 2001/125
. . . .
{
with helicoidal foils projecting from outside surfaces of floating rotatable bodies, e.g. rotatable, cylindrical bodies
}
B63H 2001/127
. . . .
{
with helicoidal foils projecting from inside surfaces of rotating shrouds; Archimedean screws
}
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B63H 1/14
. . .
Propellers( pitch changing B63H 3/00 )
WARNING
-
this group is pending a reorganisation; also documents covered by group B63H 1/15 are within this group]

B63H 2001/145
. . . .
{
comprising blades of two or more different types, e.g. different lengths
}
B63H 1/15
. . . .
having vibration damping means( anti-vibration mounting of propulsion plant B63H 21/30 ; means for damping vibration in general F16F )
WARNING
-
This group is not complete pending a reclassification; for documents published before 01.01.2012, see also group B63H 1/14

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B63H 1/16
. . . .
having a shrouding ring attached to blades
B63H 2001/165
. . . . .
{
Hubless propellers, e.g. peripherally driven shrouds with blades projecting from the shrouds' inside surfaces
}
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B63H 1/18
. . . .
with means for diminishing cavitation e.g. supercavitation
B63H 2001/185
. . . . .
{
Surfacing propellers, i.e. propellers specially adapted for operation at the water surface, with blades incompletely submerged, or piercing the water surface from above in the course of each revolution
}
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B63H 1/20
. . . .
Hubs ; Blade connections
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B63H 1/22
. . . . .
the blades being foldable
B63H 1/24
. . . . . .
automatically foldable or unfoldable
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B63H 1/26
. . . .
Blades
B63H 1/265
. . . . .
each blade being constituted by a surface enclosing an empty space, e.g. forming a closed loop
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B63H 1/28
. . . .
Other means for improving propeller efficiency( water-guiding elements formed by shape of hull B63H 5/00 )
B63H 2001/283
. . . . .
{
Propeller hub caps with fins having a pitch different from pitch of propeller blades, or a helix hand opposed to the propellers' helix hand
}
B63H 2001/286
. . . . .
{
Injection of gas into fluid flow to propellers, or around propeller blades
}
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B63H 1/30
.
of non-rotary type
B63H 1/32
. .
Flaps, pistons, or the like, reciprocating in propulsive direction
WARNING
-
this group is pending a reorganisation; also documents covered by group B63H 11/09 are within this group

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B63H 1/34
. .
of endless-track type
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B63H 2001/342
. . .
{
with tracks substantially parallel to propulsive direction
}
B63H 2001/344
. . . .
{
having paddles mounted in fixed relation to tracks, or to track members
}
B63H 2001/346
. . . .
{
having paddles movably mounted on the track or on track members, e.g. articulated, or with means for cyclically controlling the paddles' angular position or orientation
}
B63H 2001/348
. . .
{
with tracks oriented transverse to propulsive direction
}
B63H 1/36
. .
swinging sideways, e.g. fishtail type
WARNING
-
this group is pending a reorganisation; also documents covered by group B63H 1/37 are within this group]

B63H 1/37
. .
Moving-wave propellers, i.e. wherein the propelling means comprise a flexible undulating structure
WARNING
-
This group is not complete pending a reclassification; for documents published before 01.01.2012, see also group B63H 1/36

B63H 1/38
.
characterised solely by flotation properties, e.g. drums
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Propeller-blade pitch changing
{
( Aircraft propellers B64C 11/30 ; Rotors of turbines F01D 7/00 ; Axial wind motors F03D 7/022 ; Axial-flow pumps F04D 29/00 )
}
B63H 3/002
.
{
with individually adjustable blades
}
B63H 2003/004
.
{
comprising means for locking blades in position
}
B63H 2003/006
.
{
Detecting or transmitting propeller-blade pitch angle
}
B63H 3/008
.
{
characterised by self-adjusting pitch, e.g. by means of springs, centrifugal forces, hydrodynamic forces
}
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B63H 3/02
.
actuated by control element coaxial with propeller shaft, e.g. the control element being rotary
{
( B63H 3/002 takes precedence, fluid actuated B63H 3/081 )
}
B63H 3/04
. .
the control element being reciprocatable
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B63H 3/06
.
characterised by use of non-mechanical actuating means, e.g. electrical( B63H 3/002 takes precedence )
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B63H 3/08
. .
fluid
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B63H 3/081
. . .
{
actuated by control element coaxial with the propeller shaft
}
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B63H 3/082
. . . .
{
the control element being axially reciprocatable
}
B63H 2003/084
. . . . .
{
with annular cylinder and piston
}
B63H 2003/085
. . . . .
{
the control element having means for preventing rotation together with the propeller
}
B63H 2003/087
. . .
{
using gaseous fluids, e.g. steam or air
}
B63H 2003/088
. . .
{
characterised by supply of fluid actuating medium to control element, e.g. of hydraulic fluid to actuator co-rotating with the propeller
}
B63H 3/10
.
characterised by having pitch control conjoint with propulsion plant control
B63H 3/12
.
the pitch being adjustable only when propeller is stationary( B63H 3/002 takes precedence )
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Arrangements on vessels of propulsion elements directly acting on water
B63H 2005/005
.
{
Front propulsors, i.e. propellers, paddle wheels, or the like substantially arranged ahead of the vessels' midship section
}
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B63H 5/02
.
of paddle wheels, e.g. of stern wheels
WARNING
-
this group is pending a reorganisation; also documents covered by group B63H 5/03 are within this group

B63H 2005/025
. .
{
of Voith Schneider type
}
B63H 5/03
. .
movably mounted with respect to the hull, e.g. having means to reposition paddle wheel assembly, or to retract paddle or to change paddle attitude
WARNING
-
This group is not complete pending a reclassification; for documents published before 01.01.2012, see also group B63H 5/02

B63H 5/04
. .
with stationary water-guiding elements
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B63H 5/07
.
of propellers( forming part of outboard units
{
or Z-drives
}
B63H 20/00 )
B63H 2005/075
. .
{
using non-azimuthing podded propulsor units, i.e. podded units without means for rotation about a vertical axis, e.g. rigidly connected to the hull
}
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B63H 5/08
. .
of more than one propeller
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B63H 5/10
. . .
of coaxial type, e.g. of counter-rotative type
B63H 2005/103
. . . .
{
of co-rotative type, i.e. rotating in the same direction, e.g. twin propellers
}
B63H 2005/106
. . . .
{
with drive shafts of second or further propellers co-axially passing through hub of first propeller, e.g. counter-rotating tandem propellers with co-axial drive shafts
}
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B63H 5/125
. .
movably mounted with respect to hull, e.g. adjustable in direction
{
e.g. podded azimuthing thrusters
}
(
{
outboard units or Z-drives B63H 20/00 ;
}
movably mounted for steering purposes only,
{
rudders carrying propellers
}
B63H 25/42 )
WARNING
-
- B63H 5/125 and subgroups are not complete pending a reorganisation; see also groups B63H 21/26 and B63H 25/42 - this group is pending a reorganisation; also documents covered by groups B63H 20/00 , and subgroups, and by B63H 25/42 are within this group]

B63H 5/1252
. . .
{
the ability to move being conferred by gearing in transmission between prime mover and propeller and the propulsion unit being other than in a "Z" configuration
}
WARNING
-
Some documents of group B63H 5/1252 are in the process of being reorganized to group B63H 20/14 and subgroups

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B63H 2005/1254
. . .
{
Podded azimuthing thrusters, i.e. podded thruster units arranged inboard for rotation about vertical axis
}
B63H 2005/1256
. . . .
{
with mechanical power transmission to propellers
}
B63H 2005/1258
. . . .
{
with electric power transmission to propellers, i.e. with integrated electric propeller motors
}
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B63H 5/14
. .
characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purpose( shrouding ring attached to blades B63H 1/16 ; jet propulsion B63H 11/00 )
B63H 5/15
. . .
Nozzles, e.g. Kort-type
WARNING
-
This group is not complete pending a reclassification; for documents published before 01.01.2012, see also group B63H 5/14

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B63H 5/16
. .
characterised by being mounted in recesses ; with stationary water-guiding elements ; Means to prevent fouling of the propeller, e.g. guards, cages or screens( anti-fouling paints C09D 5/16 )
B63H 5/165
. . .
{
Propeller guards, line cutters or other means for protecting propellers or rudders
}
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B63H 5/18
. .
of emergency propellers, e.g. arranged at the side of the vessel
WARNING
-
this group is pending a reorganisation; also documents covered by group B63H 5/20 are within this group

B63H 5/20
. . .
movable from a working position to a non-working position
{
( movable arrangements of propellers in general B63H 5/125 ; outboard propulsion units in general B63H 20/00 ; steering or dynamic anchoring by propellers used therefore only, or by rudders carrying propellers B63H 25/42 )
}
WARNING
-
This group is not complete pending a reclassification; for documents published before 01.01.2012, see also group B63H 5/18

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Arrangements of propulsive devices directly acting on air( jet propulsion B63H 11/00 )
B63H 7/02
.
using propellers( air-screws of aircraft type B64C )
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Propulsive devices directly acted on by wind ; Arrangements thereof( air driven propellers driving underwater propulsive elements B63H 13/00 )
B63H 9/02
.
using Magnus effect
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B63H 9/04
.
using sails or like wind-catching surfaces( sailing sledges or ice boats B62B 15/00 ;
{
masts for sailing boats B63B 15/0083 ; sail arrangements for wind-driven boards B63B 35/7973
}
)
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B63H 9/06
. .
Construction or types of sails ; Arrangements thereof on vessels
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B63H 9/0607
. . .
{
Rigid or aerofoil type sails
}
B63H 9/0614
. . . .
{
Inflatable aerofoil sails
}
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B63H 2009/0621
. . . .
{
Rigid sails comprising one or more pivotally supported panels
}
B63H 2009/0628
. . . . .
{
the panels being pivotable about horizontal axes
}
B63H 2009/0635
. . . . .
{
the panels being pivotable about vertical axes
}
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B63H 9/0642
. . .
{
Sail battens
}
B63H 2009/065
. . . .
{
with variable rigidity, e.g. inflatable
}
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B63H 9/0657
. . .
{
Construction of sails( sails with detachable sections B63B 35/7983 )
}
B63H 2009/0664
. . . .
{
of spinnakers, gennakers, or the like balloon sails
}
B63H 2009/0671
. . . .
{
of molded sails, i.e. of sails manufactured by shaping deformable material on molds , e.g. thermoplastic film on heatable molds; Methods of manufacturing molded sails
}
B63H 2009/0678
. . . .
{
of laminated sails with oriented fibres, i.e. fibres or filaments arranged along predefined lines substantially parallel to the principal stress trajectories; Methods of manufacturing therefor
}
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B63H 9/0685
. . .
{
Sails pivotally mounted at a mast-tip; Kite sails( B63B 35/7976 takes precedence )
}
B63H 2009/0692
. . . .
{
Methods, or means specially adapted for controlling kite sails, e.g. control bars, harnesses, automated control units, or methods of their use
}
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B63H 9/08
. .
Connections of sails to masts, spars, or the like
B63H 2009/082
. . .
{
Booms, or the like
}
B63H 2009/084
. . .
{
Gooseneck bearings, i.e. bearings for pivotal support of booms on masts
}
B63H 2009/086
. . .
{
by sliders, i.e. by shoes sliding in, or guided by channels, tracks or rails; , for connecting luffs, leeches, battens, or the like to masts, spars or booms
}
B63H 2009/088
. . .
{
Means for tensioning sheets, or other running rigging, adapted for being guided on rails, or the like mounted on deck, e.g. travellers or carriages with pulleys
}
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B63H 9/10
. . .
Running rigging, e.g. reefing equipment( staying of masts B63B 15/02 )
WARNING
-
this group is pending a reorganisation; also documents covered by group B63H 9/1092 are within this group

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B63H 9/1007
. . . .
{
Trapeze systems( harnesses for windsurfers B63B 35/7993 )
}
B63H 9/1014
. . . . .
{
with elastic connection to harnesses
}
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B63H 9/1021
. . . .
{
Reefing
}
B63H 9/1028
. . . . .
{
by furling around stays
}
B63H 9/1035
. . . . .
{
by furling around or inside the mast
}
B63H 9/1042
. . . . .
{
by furling around or inside the boom
}
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B63H 2009/105
. . . . .
{
using drives for actuating reefing mechanism, e.g. roll reefing drives
}
B63H 2009/1057
. . . . . .
{
using sheaves being friction driven by endless ropes or by ropes having two free ends
}
B63H 2009/1064
. . . . . .
{
using drums driven by winding or unwinding single ropes onto or from the drums
}
B63H 9/1071
. . . .
{
Spinnaker poles or rigging, e.g. combined with spinnaker handling
}
B63H 9/1078
. . . .
{
Boom brakes
}
B63H 9/1085
. . . .
{
Boom vangs
}
B63H 9/1092
. . . .
{
Means for stowing, or securing sails when not in use( B63H 9/1021 takes precedence )
}
WARNING
-
B63H 9/1092 is not complete pending a reorganisation; see also group B63H 9/10

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Effecting propulsion by jets, i.e. reaction principle( steering by
{
auxiliary
}
jet action,
{
rudders carrying jets
}
B63H 25/46 ; power plant per se, see the relevant classes )
B63H 2011/002
.
{
using Coanda effect, i.e. the tendency of fluid jets to be attracted to nearby surfaces
}
B63H 2011/004
.
{
using the eductor or injector pump principle, e.g. jets with by-pass fluid paths
}
B63H 2011/006
.
{
with propulsive medium supplied from sources external to propelled vessel, e.g. water from public water supply
}
B63H 2011/008
.
{
Arrangements of two or more jet units
}
B63H 11/01
.
having means to prevent foreign material from clogging fluid passage way
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B63H 11/02
.
the propulsive medium being ambient water
B63H 11/025
. .
{
by means of magneto-hydro-dynamic forces
}
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B63H 11/04
. .
by means of pumps
B63H 2011/043
. . .
{
with means for adjusting or varying pump inlets, e.g. means for varying inlet cross section area
}
B63H 2011/046
. . .
{
comprising means for varying pump characteristics, e.g. rotary pumps with variable pitch impellers, or adjustable stators
}
B63H 11/06
. . .
of reciprocating type
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B63H 11/08
. . .
of rotary type
B63H 2011/081
. . . .
{
with axial flow, i.e. the axis of rotation being parallel to the flow direction
}
B63H 2011/082
. . . .
{
with combined or mixed flow, i.e. the flow direction being a combination of centrifugal flow and non-centrifugal flow, e.g. centripetal or axial flow
}
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B63H 2011/084
. . . .
{
with two or more pump stages
}
B63H 2011/085
. . . . .
{
having counter-rotating impellers
}
B63H 2011/087
. . . .
{
with radial flow
}
B63H 2011/088
. . . .
{
using shear forces, e.g. disc pumps or Tesla pumps
}
B63H 11/09
. . .
by means of pressure pulses applied to a column of liquid, e.g. by ignition of an air/gas or vapour mixture
WARNING
-
This group is not complete pending a reclassification; for documents published before 01.01.2012, see also group B63H 1/32

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B63H 11/10
. .
having means for deflecting jet or influencing cross-section thereof
WARNING
-
Documents concerning deflection of the jet into a direction substantially parallel to the plane of the pump outlet are in the process of being reorganised to B63H11/10B

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B63H 11/101
. . .
{
having means for deflecting jet into a propulsive direction substantially parallel to the plane of the pump outlet opening
}
WARNING
-
Not complete, pending a reorganisation; see B63H 11/10 and B63H 11/107 and subgroups

B63H 11/102
. . . .
{
the inlet opening and the outlet opening of the pump being substantially coplanar
}
B63H 11/103
. . .
having means to increase efficiency of propulsive fluid, e.g. discharge pipe provided with means to improve the fluid flow
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B63H 11/107
. . .
Direction control of propulsive fluid
{
( B63H 11/101 takes precedence )
}
WARNING
-
N1108]
Documents concerning means for deflecting jet into a propulsive direction substantially parallel to the plane of the pump outlet opening are in the process of being reorganized to B63H11/10B

B63H 11/11
. . . .
with bucket or clamshell-type reversing means
B63H 11/113
. . . .
Pivoted outlet
B63H 11/117
. . . .
Pivoted vane
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B63H 11/12
.
the propulsive medium being steam or other gas
B63H 11/14
. .
the gas being produced by combustion
B63H 11/16
. .
the gas being produced by other chemical processes
Effecting propulsion by wind motors driving water-engaging propulsive elements
Effecting propulsion by use of vessel-mounted driving mechanisms co-operating with anchored chains or the like
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Effecting propulsion by muscle power( swimming frameworks,
{
i.e. apparatus fixed to or held by the swimmer or diver
}
with swimmer-operated driving mechanism A63B 35/00 ; land-based training equipment for rowing or sculling A63B 69/06 )
B63H 2016/005
.
{
used on vessels dynamically supported, or lifted out of the water by hydrofoils
}
B63H 16/02
.
Movable thwarts ; Footrests
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B63H 16/04
.
Oars ; Sculls ; Paddles ; Poles
B63H 2016/043
. .
{
Stop sleeves or collars for positioning oars in rowlocks, e.g. adjustable
}
B63H 2016/046
. .
{
Oars for single-oar sculling, i.e. for propelling boats by swinging single stern-mounted oars from side to side; Use or arrangements thereof on boats
}
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B63H 16/06
.
Rowlocks ; Mountings therefor
WARNING
-
this group is pending a reorganisation; also documents covered by groups B63H 16/067 , and B63H 16/073 are within this group

B63H 2016/063
. .
{
Rowlocks mounted on movable support structures
}
B63H 16/067
. .
Rowlocks mounted on a structure extending beyond the gunwale of the vessel
WARNING
-
This group is not complete pending a reclassification; for documents published before 01.01.2012, see also group B63H 16/06

B63H 16/073
. .
having oar shaft restraining means
WARNING
-
This group is not complete pending a reclassification; for documents published before 01.01.2012, see also group B63H 16/06

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B63H 16/08
.
Other apparatus for converting muscle power into propulsive effort( general features of propulsion elements, see the relevant groups )
B63H 2016/085
. .
{
comprising means for transmitting muscular power applied in oscillatory or rotary manner to a rotary input shaft of a reversing transmission, e.g. alternatively allowing for ahead or astern propulsion
}
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B63H 16/10
. .
for bow-facing rowing
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B63H 16/102
. . .
{
by using an inverting mechanism between the handgrip and the blade, e.g. a toothed transmission
}
B63H 16/105
. . . .
{
the mechanism having articulated rods
}
B63H 16/107
. . .
{
by placing the fulcrum outside the segment defined by handgrip and blade
}
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. .
using hand levers, cranks, pedals, or the like, e.g. water cycles, boats propelled by boat-mounted pedal cycles
WARNING
-
This group is no longer used for classification of new documents as from 01.01.2012. The backlog of this group is being continuously reclassified to groups B63H 16/16 to B63H 16/20

B63H 16/14
. . .
for propelled drive
WARNING
-
This group is no longer used for classification of new documents as from 01.01.2012. The backlog of this group is being continuously reclassified to groups B63H 16/16 to B63H 16/20

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B63H 16/16
. .
using reciprocating pull cable, i.e. a strand-like member movable alternately backward and forward
WARNING
-
This group is not complete pending a reclassification; for documents published before 01.01.2012, see also groups B63H 16/12 and B63H 16/14

B63H 2016/165
. . .
{
comprising means for transforming oscillating movement into rotary movement, e.g. for driving propeller shafts
}
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B63H 16/18
. .
using sliding
{
or pivoting
}
handle or pedal, i.e. the motive force being transmitted to a propelling means by means of a lever operated by the hand or foot of the occupant
WARNING
-
This group is not complete pending a reclassification; for documents published before 01.01.2012, see also groups B63H 16/12 and B63H 16/14

B63H 2016/185
. . .
{
comprising means for transforming oscillating movement into rotary movement, e.g. for driving propeller shafts
}
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B63H 16/20
. .
using rotary cranking arm
WARNING
-
This group is not complete pending a reclassification; for documents published before 01.01.2012, see also groups B63H 16/12 and B63H 16/14

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B63H 2016/202
. . .
{
specially adapted or arranged for being actuated by the feet of the user, e.g. using bicycle-like pedals
}
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B63H 2016/205
. . . .
{
making use of standard bicycles
}
B63H 2016/207
. . . . .
{
without wheels
}
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Effecting propulsion of vessels, not otherwise provided for
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B63H 19/02
.
by using energy derived from movement of ambient water, e.g. from rolling or pitching of vessels
B63H 19/04
. .
propelled by water current
B63H 19/06
.
by discharging gas into ambient water( with jet action B63H 11/12 ; for reducing surface friction B63B 1/38 )
B63H 19/08
.
by direct engagement with water-bed or ground
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Outboard propulsion units, i.e. propulsion units having a substantially vertical power leg mounted outboard of a hull and terminating in a propulsion element, e.g. "outboard motors", Z-drives
{
with level bridging shaft arranged substantially outboard
}
<explanation>power plants per se, see the relevant classes ; Arrangements thereof on vessels
{
( transom panels for outboard motors on inflatable boats B63B 7/087 ; tug-type floating propeller units B63B 35/665 ; rudders carrying propellers B63H 25/42 ; rudders carrying jets B63H 25/46 ; engines of outboard propulsion units F02B 61/045 )
}
WARNING
-
<p/Not complete pending a reclassification; see also B63H5/125B, as well as B63H 21/26 and subgroups

Collapse
B63H 20/001
.
{
Arrangements, apparatus and methods for handling fluids used in outboard drives( for handling exhaust gas B63H 20/24 ; for handling cooling-water B63H 20/28 ; cooling outboard marine engines F01P 3/202 ; air intakes for outboard marine engines F02M 35/167 )
}
WARNING
-
This group and its subgroups are not complete, pending a reorganisation; see B63H 21/38 and B63B 2770/00

B63H 20/002
. .
{
for handling lubrication liquids( in engines, e.g. outboard marine engines, F01M )
}
B63H 2020/003
.
{
Arrangements of two, or more outboard propulsion units
}
Collapse
B63H 2020/005
.
{
Arrangements of two or more propellers, or the like on single outboard propulsion units
}
B63H 2020/006
. .
{
of coaxial type, e.g. of counter-rotative type
}
B63H 20/007
.
{
Trolling propulsion units( trolling plates for slowing down B63H 25/50 ; dynamo-electric machines of trolling units H02K )
}
B63H 2020/008
.
{
Tools, specially adapted for maintenance, mounting, repair, or the like of outboard propulsion units, e.g. of outboard motors or Z-drives
}
Collapse
B63H 20/02
.
Mounting of propulsion units( B63H 20/08 takes precedence )
B63H 2020/025
. .
{
Sealings specially adapted for mountings of outboard drive units; Arrangements thereof, e.g. for transom penetrations
}
B63H 20/04
. .
in a well
B63H 20/06
. .
on an intermediate support
Collapse
B63H 20/08
.
Means enabling movement of the position of the propulsion element, e.g. for trim, tilt, or steering( transmissions allowing movement of the propulsion element B63H 20/14 ) ; Control of trim or tilt( initiating means for steering B63H 25/02 )
Collapse
B63H 20/10
. .
Means enabling trim or tilt, or lifting of the propulsion element when an obstruction is hit ; Control of trim or tilt
B63H 2020/103
. . .
{
using a flexible member for enabling or controlling tilt or lifting, e.g. a cable
}
B63H 20/106
. . .
{
Means enabling lifting of the propulsion element in a substantially vertical, linearly sliding movement
}
B63H 20/12
. .
Means enabling steering
Collapse
B63H 20/14
.
Transmission between propulsion power unit and propulsion element
B63H 2020/145
. .
{
comprising means for permitting telescoping movement of components of the outboard propulsion unit, e.g. telescoping movement of power leg
}
B63H 20/16
. .
allowing movement of the propulsion element in a horizontal plane only, e.g. for steering
B63H 20/18
. .
allowing movement of the propulsion element about a longitudinal axis, e.g. the through transom shaft( B63H 20/22 takes precedence )
B63H 20/20
. .
with provision for reverse drive
B63H 20/22
. .
allowing movement of the propulsion element about at least a horizontal axis without disconnection of the drive, e.g. using universal joints
Collapse
B63H 20/24
.
{
Arrangements, apparatus and methods for handling exhaust gas in outboard drives, e.g.
}
exhaust gas outlets
{
( in engines, e.g. outboard marine engines, F01N )
}
WARNING
-
This group and its subgroups are not complete, pending a reorganisation; see B63H 21/32 , B63H 21/38 and B63B 2770/00

B63H 20/245
. .
{
Exhaust gas outlets( B63H 20/26 takes precedence )
}
B63H 20/26
. .
{
Exhaust gas outlets
}
passing through the propeller or its hub
Collapse
B63H 20/28
.
{
Arrangements, apparatus and methods for handling cooling-water in outboard drives, e.g.
}
cooling-water intakes
{
( cooling circuits for outboard marine engines F01P 3/202 )
}
WARNING
-
This group and its subgroups are not complete, pending a reorganisation; see B63H 21/38 and B63B 2770/00

B63H 20/285
. .
{
Cooling-water intakes( B63H 20/28 takes precedence )
}
B63H 20/30
. .
{
Cooling-water intakes
}
for flushing
{
( circuits for flushing outboard marine engines F01P 3/205 )
}
Collapse
B63H 20/32
.
Housings
{
( air intakes for outboard engines F02M 35/167 )
}
Collapse
B63H 2020/323
. .
{
Gear cases
}
B63H 2020/326
. . .
{
having a dividing plane substantially in plane with the axes of the transmission shafts
}
B63H 20/34
. .
comprising stabilising fins,
{
foils, anticavitation plates, splash plates, or rudders( rudders carrying propellers B63H 25/42 ; rudders carrying jets B63H 25/46 )
}
B63H 20/36
.
Transporting or testing stands
{
( hand carts for transporting outboard units B62B; measuring torque G01L 3/00 , measuring thrust of propellers G01L 5/133 , testing in general G01M ); Use of outboard propulsion units as pumps
}
; Protection of power legs
{
e.g. when not in use
}
Collapse
Use of propulsion power plant or units on vessels( use of outboard propulsion units B63H 20/00 ; hull reinforcements for carrying propulsion power plant or units B63B 3/70 ;
{
propulsion of submarines B63G 8/08 ;
}
propulsion power plant or units per se, see the relevant classes )
NOTE
-
This group comprises arrangements of propulsion power plant or units on vessels and to some extent it includes adaptations of such plant or units to facilitate such arrangements

WARNING
-
this group is pending a reorganisation; also documents covered by group B63H 21/36 are within this group

B63H 2021/003
.
{
the power plant using fuel cells for energy supply or accumulation, e.g. for buffering photovoltaic energy
}
B63H 2021/006
.
{
the vessel being driven by hot gas positive-displacement engine plants of closed-cycle type, e.g. Stirling engines
}
Collapse
B63H 21/02
.
the vessels being steam-driven( B63H 21/18 takes precedence )
B63H 21/04
. .
relating to positive-displacement steam engines
B63H 21/06
. .
relating to steam turbines
B63H 21/08
. .
relating to steam boilers
B63H 21/10
. .
relating to condensers or engine-cooling fluid heat-exchangers
Collapse
B63H 21/12
.
the vessel being motor-driven( B63H 21/175 , B63H 21/18 take precedence;
{
cooling circuits with liquid-to-liquid heat-exchange relative to marine vessels F01P 3/207
}
)
WARNING
-
Group B63H 21/12 is no longer used for classification of vessels being motor-driven by electric motor, powered by land vehicle supported by vessel, and powered by nuclear energy. These documents are in the process of being reorganised to groups B63H 21/17 , B63H 21/175 , and B63H 21/18 respectively

B63H 21/14
. .
relating to internal-combustion engines
{
( of outboard type B63H 20/00 )
}
B63H 21/16
. .
relating to gas turbines
B63H 21/165
. .
by hydraulic fluid motor, i.e. wherein a liquid under pressure is utilised to rotate the propelling means
{
( transmission from power plant or unit to propeller using fluid gearing per se B63H 23/26 )
}
WARNING
-
This group is not complete pending a reclassification; for documents published before 01.01.2012, see also group B63H 21/12

Collapse
B63H 21/17
. .
by electric motor( electrically-propelled vehicles B60L;
{
Transmitting power from propulsion power plant to propulsive elements with electric gearing B63H 23/24
}
)
WARNING
-
Not complete. See B63H 21/12 , B63H 23/24

B63H 2021/171
. . .
{
making use of photovoltaic energy conversion, e.g. using solar panels
}
B63H 2021/173
. . .
{
making use of superconductivity
}
B63H 21/175
.
the vessel being powered by land vehicle supported by vessel
WARNING
-
not complete pending a reorganisation, see also B63H 21/12

B63H 21/18
.
the vessels being powered by nuclear energy
WARNING
-
not complete pending a reorganisation, see also B63H 21/12

Collapse
B63H 21/20
.
the vessels being powered by combinations of different types of propulsion units
Collapse
B63H 2021/202
. .
{
of hybrid electric type
}
B63H 2021/205
. . .
{
the second power unit being of the internal combustion engine type, or the like, e.g. a Diesel engine
}
B63H 2021/207
. . .
{
the second power unit being a gas turbine
}
Collapse
B63H 21/21
.
Control means for engine or transmission, specially adapted for use on marine vessels
WARNING
-
This group is not complete pending a reclassification; for documents published before 01.01.2012, see also group B63H 21/22

B63H 21/213
. .
{
Levers or the like for controlling the engine or the transmission, e.g. single hand control levers
}
B63H 2021/216
. .
{
using electric control means
}
B63H 21/22
.
the propulsion power units being controlled from exterior of engine room, e.g. from navigation bridge ; Arrangements of order telegraphs(
{
conjoint control of specific features of internal combustion engines and of propelling elements F02D
}
; order telegraphs per se G08B 9/00 )
WARNING
-
This group is not complete pending a reorganisation; also documents covered by group B63H 21/21 are within this group

Collapse
B63H 21/24
.
the vessels being small craft, e.g. racing boats
Collapse
. .
of outboard type ; Outboard propulsion power units movably installed for steering, reversing, tilting, or the like
{
( transom panels for outboard motors for inflatable boats B63B 7/087 ; floating propeller units B63B 35/665 )
}
WARNING
-
Group B63H 21/26 and subgroups are no longer used for classification. Documents are in the process of being reorganised to B63H 5/125 , and subgroups, to B63H 20/00 , and subgroups, and to B63H 25/42

B63H 21/265
. . .
{
Steering or control devices for outboards( steering by rudders B63H 25/06 ; control handles for boats B63H 21/213 )
}
B63H 21/28
. . .
Arrangements of transmission between propulsion power unit and propulsive element
Collapse
B63H 21/30
.
Mounting of propulsion plant or unit, e.g. for anti-vibration purposes( hull reinforcements therefor B63B 3/70 ;
{
of outboard propulsion units B63H 20/02 ;
}
vibration in systems F16F; engine beds F16M )
B63H 21/302
. .
{
with active vibration damping
}
B63H 21/305
. .
{
with passive vibration damping
}
B63H 2021/307
. .
{
Arrangements, or mountings of propulsion power plant elements in modular propulsion power units, e.g. using containers
}
Collapse
B63H 21/32
.
Arrangements of propulsion-unit exhaust uptakes ; Funnels peculiar to vessels;
{
Small watercraft exhaust arrangements, e.g. under-water
}
,( engine exhausts in general F01N ; flue devices for furnaces in general F23J ;
{
exhaust gas outlets forming part of outboard propulsion units or Z-drives B63H 20/24
}
)
WARNING
-
Group B63H 21/32 is no longer used for classification of documents dealing with gas exhaust outlets forming part of outboard propulsion units or Z-drives. Respective documents are in the process of being reorganised to groups B63H 20/24 and B63H 20/26

B63H 21/34
. .
having exhaust-gas deflecting means
B63H 21/36
.
Covers or casing arranged to protect plant or unit from marine environment(
{
Housings of outboard propulsion units B63H 20/32
}
hull construction B63B 3/00 )
WARNING
-
This group is not complete pending a reclassification; for documents published before 01.01.2012, see also group B63H 21/00

Collapse
B63H 21/38
.
Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like(
{
in outboard drives B63H 20/001 ;
}
lubricating or cooling machines or engines in general F01 to F04 )
WARNING
-
This group and its subgroups are
- systematically used for classification of documents published from 01.06.2010 onwards
- not complete; for documents published before 01.06.2010, see B63B 2770/00

B63H 21/383
. .
{
for handling cooling-water( in outboard drives B63H 20/28 ; in machines or engines in general F01P 3/00 )
}
B63H 21/386
. .
{
for handling lubrication liquids( in machines or engines in general F01M )
}
Collapse
Transmitting power from propulsion power plant to propulsive elements( changing pitch or propellers B63H 3/00 ; adaptation of transmission to allow adjustment in location or direction of propellers B63H 5/125 ; transmission between wind motors and propulsive elements B63H 13/00 ; in outboard propulsion units B63H 20/14 ; adaptation of transmission to allow adjustment of location of propeller B63H 20/08 ;
{
adaptations of transmissions to allow steering or dynamic anchoring by propellers carried on rudders B63H 25/42 ;
}
for vehicles in general B60K; driving auxiliary machinery B63J; transmission elements per se F16 )
B63H 2023/005
.
{
using a drive acting on the periphery of a rotating propulsive element, e.g. on a dented circumferential ring on a propeller, or a propeller acting as rotor of an electric motor
}
Collapse
B63H 23/02
.
with mechanical gearing
Collapse
B63H 2023/0208
. .
{
by means of endless flexible members
}
Collapse
B63H 2023/0216
. . .
{
by means of belts, or the like
}
B63H 2023/0225
. . . .
{
of grooved belts, i.e. with one or more grooves in longitudinal direction of the belt
}
B63H 2023/0233
. . . .
{
of belts having a toothed contact surface, or regularly spaced bosses, or hollows for slip-less or nearly slip-less meshing with complementary profiled contact surface of a pulley
}
B63H 2023/0241
. . . .
{
of V-belts, i.e. belts of tapered cross section
}
B63H 2023/025
. . .
{
by means of chains
}
Collapse
B63H 2023/0258
. .
{
comprising gearings with variable gear ratio, other than reversing drives or trolling drives
}
B63H 2023/0266
. . .
{
comprising gearings with automatically variable gear ratio, other than continuously variable transmissions or trolling drives
}
B63H 2023/0275
. . .
{
comprising means for conveying rotary motion with continuously variable gear ratio, e.g. continuously variable transmissions using endless flexible members
}
B63H 2023/0283
. .
{
using gears having orbital motion
}
B63H 2023/0291
. .
{
Trolling gears, i.e. mechanical power transmissions comprising controlled slip clutches, e.g. for low speed propulsion
}
B63H 23/04
. .
the main transmitting element, e.g. shaft, being substantially vertical
Collapse
B63H 23/06
. .
for transmitting drive from a single propulsion power unit
Collapse
B63H 2023/062
. . .
{
comprising means for simultaneously driving two or more main transmitting elements, e.g. drive shafts
}
B63H 2023/065
. . . .
{
having means for differentially varying the speed of the main transmitting elements, e.g. of the drive shafts
}
B63H 2023/067
. . . .
{
the elements being formed by two or more coaxial shafts, e.g. counter-rotating shafts
}
B63H 23/08
. .
with provision for reversing drive
Collapse
B63H 23/10
. .
for transmitting drive from more than one propulsion power unit( for synchronisation of propulsive elements B63H 23/28 )
Collapse
B63H 23/12
. . .
allowing combined use of the propulsion power units
B63H 23/14
. . . .
with unidirectional drive or where reversal is immaterial
B63H 23/16
. . . .
characterised by provision of reverse drive
Collapse
B63H 23/18
. . .
for alternative use of the propulsion power units
B63H 23/20
. . . .
with separate forward and astern propulsion power units, e.g. turbines
Collapse
B63H 23/22
.
with non-mechanical gearing
Collapse
B63H 23/24
. .
electric
{
( dynamo-electric machines H02K )
}
WARNING
-
This group is not complete pending a reclassification; also documents covered by group B63H 21/17 are in this group

B63H 2023/245
. . .
{
with two or more electric motors directly acting on a single drive shaft, e.g. plurality of electric rotors mounted on one common shaft, or plurality of electric motors arranged coaxially one behind the other with rotor shafts coupled together
}
B63H 23/26
. .
fluid
B63H 23/28
.
with synchronisation of propulsive elements
Collapse
B63H 23/30
.
characterised by use of clutches
B63H 2023/305
. .
{
using fluid or semifluid as power transmitting means
}
Collapse
B63H 23/32
.
Other parts
Collapse
B63H 23/321
. .
{
Bearings or seals specially adapted for propeller shafts
}
B63H 2023/322
. . .
{
Intermediate propeller shaft bearings, e.g. with provisions for shaft alignment
}
B63H 2023/323
. . .
{
Bearings for coaxial propeller shafts, e.g. for driving propellers of the counter-rotative type
}
B63H 2023/325
. . .
{
Thrust bearings, i.e. axial bearings for propeller shafts
}
B63H 23/326
. . .
{
Water lubricated bearings
}
B63H 2023/327
. . .
{
Sealings specially adapted for propeller shafts or stern tubes
}
B63H 2023/328
. .
{
Marine transmissions characterised by the use of brakes, other than propeller shaft brakes; Brakes therefor
}
Collapse
B63H 23/34
. .
Propeller shafts ; Paddle-wheel shafts ; Attachment of propellers on shafts( shafts in general F16C; attachment of a member on a shaft in general F16D 1/06 )
B63H 2023/342
. . .
{
comprising couplings, e.g. resilient couplings; Couplings therefor
}
B63H 2023/344
. . .
{
comprising flexible shafts members
}
B63H 2023/346
. . .
{
comprising hollow shaft members
}
B63H 2023/348
. . .
{
with turning or inching gear, i.e. with means for slowly rotating, or for angularly positioning of shafts or propulsive elements mounted thereon
}
B63H 23/35
. . .
Shaft braking or locking, i.e. means to slow or stop the rotation of the propeller shaft or to prevent the shaft from initial rotation
WARNING
-
This group is not complete pending a reclassification; for documents published before 01.01.2012, see also group B63H 23/34

B63H 23/36
. .
Shaft tubes( propeller-shaft tunnels B63B 11/06 ; shaft-tube seals F16J )
Collapse
Steering ; Slowing-down otherwise than by use of propulsive elements( using adjustably-mounted propeller ducts or rings for steering B63H 5/14 ; using movably-installed outboard propulsion units B63H 20/00 ) ; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements( anchoring, other than dynamic B63B 21/00 ; equipment to decrease pitch, roll or like unwanted vessel movements by auxiliary jets or propellers B63B 39/08 ;
{
systems for waterborne vessel position control G05, e.g. G05D 1/00
}
)
WARNING
-
This group is pending a reorganisation; also documents covered by group B63H 25/02 , and subgroups are within this group

B63H 2025/005
.
{
Steering specially adapted for towing trains, tug-barge systems, or the like; Equipment or accessories therefor
}
Collapse
B63H 25/02
.
Initiating means for steering,
{
for slowing down, otherwise than by use of propulsive elements, or for dynamic anchoring
}
WARNING
-
B63H 25/02 and subgroups are not complete in view of initiating means for slowing down or for dynamic anchoring, pending a reorganisation; see also group B63H 25/00

B63H 2025/022
. .
{
Steering wheels; Posts for steering wheels
}
B63H 2025/024
. .
{
Handle-bars; Posts for supporting handle-bars, e.g. adjustable posts
}
B63H 2025/026
. .
{
using multi-axis control levers, or the like, e.g. joysticks, wherein at least one degree of freedom is employed for steering, slowing down, or dynamic anchoring
}
B63H 2025/028
. .
{
using remote control means, e.g. wireless control; Equipment or accessories therefor
}
Collapse
B63H 25/04
. .
automatic, e.g. reacting to compass
B63H 2025/045
. . .
{
making use of satellite radio beacon positioning systems, e.g. the Global Positioning System (GPS)
}
Collapse
B63H 25/06
.
Steering by rudders( by rudders carrying propellers B63H 25/42 )
B63H 2025/063
. .
{
Arrangements of rudders forward of the propeller position, e.g. of backing rudders; Arrangements of rudders on the forebody of the hull; Steering gear therefor
}
B63H 2025/066
. .
{
Arrangements of two or more rudders; Steering gear therefor
}
Collapse
B63H 25/08
. .
Steering gear
B63H 25/10
. . .
with mechanical transmission
B63H 25/12
. . .
with fluid transmission
Collapse
B63H 25/14
. . .
power assisted ; power driven, i.e. using steering engine
B63H 25/16
. . . .
with alternative muscle or power operated steering
Collapse
B63H 25/18
. . . .
Transmitting of movement of initiating means to steering engine
B63H 25/20
. . . . .
by mechanical means
B63H 25/22
. . . . .
by fluid means
B63H 25/24
. . . . .
by electrical means
Collapse
B63H 25/26
. . . .
Steering engines
Collapse
B63H 25/28
. . . . .
of fluid type
B63H 25/30
. . . . . .
hydraulic
B63H 25/32
. . . . . .
steam
B63H 25/34
. . . .
Transmitting of movement of engine to rudder, e.g. using quadrants, brakes
B63H 25/36
. .
Rudder-position indicators
Collapse
B63H 25/38
. .
Rudders( stern posts B63B 3/40 ;
{
rudders mounted on housing of outboard motors B63H 20/34 ; rudders carrying propellers B63H 25/42 ; rudders carrying jets B63H 25/46
}
)
B63H 25/381
. . .
{
with flaps
}
Collapse
B63H 25/382
. . .
{
movable otherwise than for steering purposes; Changing geometry
}
B63H 25/383
. . . .
{
with deflecting means able to reverse the water stream direction
}
Collapse
B63H 2025/384
. . . .
{
with means for retracting or lifting
}
B63H 2025/385
. . . . .
{
by pivoting
}
B63H 2025/386
. . . . .
{
by sliding, e.g. telescopic
}
B63H 2025/387
. . .
{
comprising two or more rigidly interconnected mutually spaced blades pivotable about a common rudder shaft, e.g. parallel twin blades mounted on a pivotable supporting frame
}
B63H 2025/388
. . .
{
with varying angle of attack over the height of the rudder blade, e.g. twisted rudders
}
B63H 25/40
. . .
using Magnus effect
Collapse
B63H 25/42
.
Steering or dynamic anchoring by propulsive elements( by jets B63H 25/46 ) ; Steering or dynamic anchoring by propellers used therefor only ; Steering or dynamic anchoring by rudders carrying propellers
WARNING
-
This group is not complete as to rudders carrying propellers, pending a reorganisation; see also B63H 5/125 , and B63H 21/26 and subgroups - this group is pending a reorganisation; also documents covered by groups B63H 5/125 , and subgroups, and by B63H 20/00 , and subgroups are within this group]

B63H 2025/425
. .
{
Propulsive elements, other than jets, substantially used for steering or dynamic anchoring only, with means for retracting, or otherwise moving to a rest position outside the water flow around the hull
}
B63H 25/44
.
Steering or slowing-down by extensible flaps or the like
Collapse
B63H 25/46
.
Steering or dynamic anchoring by jets
{
or by rudders carrying jets( steering or dynamic anchoring by deflecting or directing main propulsion jets B63H 11/00 )
}
WARNING
-
This group is no complete as to rudders carrying jets, pending a reclassification; see also B63H 20/00 and subgroups

B63H 2025/465
. .
{
Jets or thrusters substantially used for steering or dynamic anchoring only, with means for retracting, or otherwise moving to a rest position outside the water flow around the hull
}
B63H 25/48
.
Steering or slowing-down by deflection of propeller slipstream otherwise than by rudder
B63H 25/50
.
Slowing-down means not otherwise provided for
B63H 25/52
.
Parts for steering not otherwise provided for
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Last Modified: 10/10/2013