Class 440: MARINE PROPULSION ( Manual of U.S. Patent Classification )

U.S. PATENT AND TRADEMARK OFFICE
Information Products Division

[Manual of Classification, Class Listing]

Manual of U.S. Patent Classification
as of June 30, 2000

Class
440
MARINE PROPULSION

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Subclass		Title
ClassTitle		===> MARINE PROPULSION

1		MEANS TO CONTROL THE SUPPLY OF ENERGY RESPONSIVE TO A SENSED CONDITION
2		WITH INDICATOR
3		DIVERSE ENGINE MEANS
4		PLURAL ENGINES WITH SINGLE PROPELLING MEANS
5		HYDRAULIC FLUID DRIVE FOR PROPELLING MEANS
6		ELECTRIC DRIVE FOR PROPELLING MEANS
7		. With foot control
8		WIND DRIVEN MOTORS
9		WAVE POWERED PROPELLING MEANS
10		. By oscillating weight
11		POWERED FROM LAND VEHICLE SUPPORTED BY VESSEL
12		. Land vehicle is two-wheel type
12.5		SELF-PROPELLED VEHICLE HAVING LAND AND WATER PROPULSION MEANS (E.G., AMPHIBIOUS VEHICLE)
12.51		. Having separated propulsion means for land and water
12.52		. . Propulsion means moveable to stowed position
12.53		. . . Water propulsion means is moveable
12.54		. . . . And land propulsion means is moveable
12.55		. . Operator powered drive for propulsion means
12.56		. . Flexible endless track propulsion means
12.57		. . Motor driven screw propeller shaft
12.58		. . . By flexible endless member (e.g., belt, chain)
12.59		. . . By gearing
12.6		. . . . Bevel gearing
12.61		. . . . Spur gearing
12.62		. Operator powered drive for propulsion means
12.63		. Flexible endless track propulsion means
12.64		. . Driven by sprocket-type wheel
12.65		. Helical screw propulsion means
12.66		. Wheel-type propulsion means
12.67		. . Drum type
12.68		. . Having integral spoke and propelling blade means
12.69		. . Having propelling blade extending from side of wheel
12.7		. . Having peripherally mounted cleat means
13		OSCILLATING PROPELLING MEANS
14		. Fishtail motion propelling means
15		. . Flexible
16		. Moving wave propeller
17		. Having nonpropelling cycle segment
18		. . Piston and cylinder
19		. . With means to move propelling element to nonpropelling position
20		. . With reversing means
21		OPERATOR POWERED DRIVE FOR PROPELLING MEANS
22		. Rocking watercraft
23		. Fluid pump
24		. Having reciprocating pull cable
25		. Sliding handle or pedal
26		. Rotary cranking arm
27		. . Plural-crank type
28		. . Having flexible drive shaft
29		. . Having endless drive member
30		. . . Chain and sprocket
31		. . Including gear means
32		. Lever with connecting linkage
33		TOWING
34		. Cable system
35		. Track system
36		. Ground wheel or poler
37		AIR PROPELLED BOAT
38		JET DRIVE
39		. Auxiliary use of propulsive fluid
40		. Direction control for fluid jet
41		. . With bucket or clamshell-type reversing means
42		. . Pivoted outlet
43		. . Pivoted vane
44		. Propulsion fluid is pressurized gas
45		. . Produced by combustion
46		. Having means to prevent clogging
47		. Having means to increase fluid drive means efficiency
48		HELICAL SCREW
49		SCREW PROPELLER
50		. Variable pitch
51		. Combined with rudder
52		. With vibration dampening
53		. With means effecting or facilitating movement of propulsion unit or a segment of the propulsion unit (e.g., tilting or steering)
54		. . With means limited to vertical movement within hull cavity
55		. . Having restraining means
56		. . . With releasing means when propulsion unit hits obstruction
57		. . Having gimbal or universal joint support
58		. . Having toothed or threaded member to move propulsion unit or a segment of the propulsion unit
59		. . . Screw type
60		. . . Rack and pinion
61		. . Having fluid motor to move propulsion unit or a segment of the propulsion unit
62		. . Having pliant member to move propulsion unit or a segment of the propulsion unit
63		. . Having link or lever to move propulsion unit or a segment of the propulsion unit
64		. . Having shaft with releasable coupling
65		. . With means to lift propeller when an obstruction is hit
66		. Having means to control flow around propeller
67		. . Nozzle (Kort-Type)
68		. . Hull channel
69		. . . With open bottom
70		. . Hull concavity
71		. Propeller guard
72		. . Cage or screen
73		. Self-clearing
74		. Shaft braking or locking
75		. Having transmission
76		. Propulsion unit casing
77		. . Cowl
78		. . Propeller shaft housing
79		. Propeller arrangement
80		. . Tandem
81		. . . On single shaft
82		. . Supporting strut
83		. Shafting
84		ENGINE, MOTOR, OR TRANSMISSION CONTROL MEANS
85		. For starter means
86		. For transmission
87		. For engine speed
88		MEANS FOR HANDLING ENGINE FLUIDS
89		. Exhaust gas handling means
90		PADDLE WHEEL
91		. Having means to reposition paddle wheel assembly
92		. Having means to retract paddle or change paddle attitude
93		. . Having means to provide cyclic change of paddle attitude (e.g., Voith Schneider)
94		UPRIGHT REMAINING ORBITING PADDLES
95		FLEXIBLE ENDLESS PROPELLING MEANS
96		. With paddle
97		. . Foldable or retractable to nonpropelling position
98		BUOYANT PROPELLING MEANS
99		. Rotating outer hull
100		. Wheellike
101		OAR OR PADDLE
102		. Articulated sectional oar or paddle
103		. . Having gear
104		. Support
105		. . Having outrigger
106		. . Oarlock
107		. . . Having oar shaft restraining means
108		. . . Separate mounting means
109		. . . . Socket type
110		. . Having guard for oar
111		INBOARD ENGINE MOUNT
112		. Having thru-hull sealing means
113		MISCELLANEOUS
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		CROSS-REFERENCE ART COLLECTION
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900		OUTBOARD MOTORS AND OUTDRIVES

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Questions regarding this report should be directed to:

U.S. Patent and Trademark Office
Information Products Division
PK3- Suite 441
Washington, DC 20231
tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov

Last Modified: 6 October 2000

Manual of U.S. Patent Classification as of June 30, 2000

Class 440 MARINE PROPULSION

Manual of U.S. Patent Classification
as of June 30, 2000

Class
440
MARINE PROPULSION