PATENTS   
Patents > Guidance, Tools, and Manuals > Classification > Class Schedule
    Class Numbers & Titles   | Class Numbers Only   | USPC Index   | International   | HELP  
You are viewing a USPC Schedule.
Class   440MARINE PROPULSION
Click here for a printable version of this file
  Turn Outline  
     Expand/Contract Processing Please Wait
 [List of Pre Grant Publications for class 440 subclass 1][List of Patents for class 440 subclass 1]1 MEANS TO CONTROL THE SUPPLY OF ENERGY RESPONSIVE TO A SENSED CONDITION
 [List of Pre Grant Publications for class 440 subclass 2][List of Patents for class 440 subclass 2]2 WITH INDICATOR
 [List of Pre Grant Publications for class 440 subclass 3][List of Patents for class 440 subclass 3]3 DIVERSE ENGINE MEANS
 [List of Pre Grant Publications for class 440 subclass 4][List of Patents for class 440 subclass 4]4 PLURAL ENGINES WITH SINGLE PROPELLING MEANS
 [List of Pre Grant Publications for class 440 subclass 5][List of Patents for class 440 subclass 5]5 HYDRAULIC FLUID DRIVE FOR PROPELLING MEANS
[List of Pre Grant Publications for class 440 subclass 6][List of Patents for class 440 subclass 6]6 ELECTRIC DRIVE FOR PROPELLING MEANS
 [List of Pre Grant Publications for class 440 subclass 7][List of Patents for class 440 subclass 7]7 Subclass 7 indent level is 1 With foot control
 [List of Pre Grant Publications for class 440 subclass 8][List of Patents for class 440 subclass 8]8 WIND DRIVEN MOTORS
[List of Pre Grant Publications for class 440 subclass 9][List of Patents for class 440 subclass 9]9 WAVE POWERED PROPELLING MEANS
 [List of Pre Grant Publications for class 440 subclass 10][List of Patents for class 440 subclass 10]10 Subclass 10 indent level is 1 By oscillating weight
[List of Pre Grant Publications for class 440 subclass 11][List of Patents for class 440 subclass 11]11 POWERED FROM LAND VEHICLE SUPPORTED BY VESSEL
 [List of Pre Grant Publications for class 440 subclass 12][List of Patents for class 440 subclass 12]12 Subclass 12 indent level is 1 Land vehicle is two-wheel type
[List of Pre Grant Publications for class 440 subclass 12.5][List of Patents for class 440 subclass 12.5]12.5 SELF-PROPELLED VEHICLE HAVING LAND AND WATER PROPULSION MEANS (E.G., AMPHIBIOUS VEHICLE)
[List of Pre Grant Publications for class 440 subclass 12.51][List of Patents for class 440 subclass 12.51]12.51 Subclass 12.51 indent level is 1 Having separated propulsion means for land and water
[List of Pre Grant Publications for class 440 subclass 12.52][List of Patents for class 440 subclass 12.52]12.52 Subclass 12.52 indent level is 2 Propulsion means moveable to stowed position
 [List of Pre Grant Publications for class 440 subclass 12.55][List of Patents for class 440 subclass 12.55]12.55 Subclass 12.55 indent level is 2 Operator powered drive for propulsion means
 [List of Pre Grant Publications for class 440 subclass 12.56][List of Patents for class 440 subclass 12.56]12.56 Subclass 12.56 indent level is 2 Flexible endless track propulsion means
[List of Pre Grant Publications for class 440 subclass 12.57][List of Patents for class 440 subclass 12.57]12.57 Subclass 12.57 indent level is 2 Motor driven screw propeller shaft
 [List of Pre Grant Publications for class 440 subclass 12.62][List of Patents for class 440 subclass 12.62]12.62 Subclass 12.62 indent level is 1 Operator powered drive for propulsion means
[List of Pre Grant Publications for class 440 subclass 12.63][List of Patents for class 440 subclass 12.63]12.63 Subclass 12.63 indent level is 1 Flexible endless track propulsion means
 [List of Pre Grant Publications for class 440 subclass 12.64][List of Patents for class 440 subclass 12.64]12.64 Subclass 12.64 indent level is 2 Driven by sprocket-type wheel
 [List of Pre Grant Publications for class 440 subclass 12.65][List of Patents for class 440 subclass 12.65]12.65 Subclass 12.65 indent level is 1 Helical screw propulsion means
[List of Pre Grant Publications for class 440 subclass 12.66][List of Patents for class 440 subclass 12.66]12.66 Subclass 12.66 indent level is 1 Wheel-type propulsion means
 [List of Pre Grant Publications for class 440 subclass 12.67][List of Patents for class 440 subclass 12.67]12.67 Subclass 12.67 indent level is 2 Drum type
 [List of Pre Grant Publications for class 440 subclass 12.68][List of Patents for class 440 subclass 12.68]12.68 Subclass 12.68 indent level is 2 Having integral spoke and propelling blade means
 [List of Pre Grant Publications for class 440 subclass 12.69][List of Patents for class 440 subclass 12.69]12.69 Subclass 12.69 indent level is 2 Having propelling blade extending from side of wheel
 [List of Pre Grant Publications for class 440 subclass 12.7][List of Patents for class 440 subclass 12.7]12.7 Subclass 12.7 indent level is 2 Having peripherally mounted cleat means
[List of Pre Grant Publications for class 440 subclass 13][List of Patents for class 440 subclass 13]13 OSCILLATING PROPELLING MEANS
[List of Pre Grant Publications for class 440 subclass 14][List of Patents for class 440 subclass 14]14 Subclass 14 indent level is 1 Fishtail motion propelling means
 [List of Pre Grant Publications for class 440 subclass 15][List of Patents for class 440 subclass 15]15 Subclass 15 indent level is 2 Flexible
 [List of Pre Grant Publications for class 440 subclass 16][List of Patents for class 440 subclass 16]16 Subclass 16 indent level is 1 Moving wave propeller
[List of Pre Grant Publications for class 440 subclass 17][List of Patents for class 440 subclass 17]17 Subclass 17 indent level is 1 Having nonpropelling cycle segment
 [List of Pre Grant Publications for class 440 subclass 18][List of Patents for class 440 subclass 18]18 Subclass 18 indent level is 2 Piston and cylinder
 [List of Pre Grant Publications for class 440 subclass 19][List of Patents for class 440 subclass 19]19 Subclass 19 indent level is 2 With means to move propelling element to nonpropelling position
 [List of Pre Grant Publications for class 440 subclass 20][List of Patents for class 440 subclass 20]20 Subclass 20 indent level is 2 With reversing means
[List of Pre Grant Publications for class 440 subclass 21][List of Patents for class 440 subclass 21]21 OPERATOR POWERED DRIVE FOR PROPELLING MEANS
 [List of Pre Grant Publications for class 440 subclass 22][List of Patents for class 440 subclass 22]22 Subclass 22 indent level is 1 Rocking watercraft
 [List of Pre Grant Publications for class 440 subclass 23][List of Patents for class 440 subclass 23]23 Subclass 23 indent level is 1 Fluid pump
 [List of Pre Grant Publications for class 440 subclass 24][List of Patents for class 440 subclass 24]24 Subclass 24 indent level is 1 Having reciprocating pull cable
 [List of Pre Grant Publications for class 440 subclass 25][List of Patents for class 440 subclass 25]25 Subclass 25 indent level is 1 Sliding handle or pedal
[List of Pre Grant Publications for class 440 subclass 26][List of Patents for class 440 subclass 26]26 Subclass 26 indent level is 1 Rotary cranking arm
 [List of Pre Grant Publications for class 440 subclass 27][List of Patents for class 440 subclass 27]27 Subclass 27 indent level is 2 Plural-crank type
 [List of Pre Grant Publications for class 440 subclass 28][List of Patents for class 440 subclass 28]28 Subclass 28 indent level is 2 Having flexible drive shaft
[List of Pre Grant Publications for class 440 subclass 29][List of Patents for class 440 subclass 29]29 Subclass 29 indent level is 2 Having endless drive member
 [List of Pre Grant Publications for class 440 subclass 31][List of Patents for class 440 subclass 31]31 Subclass 31 indent level is 2 Including gear means
 [List of Pre Grant Publications for class 440 subclass 32][List of Patents for class 440 subclass 32]32 Subclass 32 indent level is 1 Lever with connecting linkage
[List of Pre Grant Publications for class 440 subclass 33][List of Patents for class 440 subclass 33]33 TOWING
 [List of Pre Grant Publications for class 440 subclass 34][List of Patents for class 440 subclass 34]34 Subclass 34 indent level is 1 Cable system
 [List of Pre Grant Publications for class 440 subclass 35][List of Patents for class 440 subclass 35]35 Subclass 35 indent level is 1 Track system
 [List of Pre Grant Publications for class 440 subclass 36][List of Patents for class 440 subclass 36]36 Subclass 36 indent level is 1 Ground wheel or poler
 [List of Pre Grant Publications for class 440 subclass 37][List of Patents for class 440 subclass 37]37 AIR PROPELLED BOAT
[List of Pre Grant Publications for class 440 subclass 38][List of Patents for class 440 subclass 38]38 JET DRIVE
 [List of Pre Grant Publications for class 440 subclass 39][List of Patents for class 440 subclass 39]39 Subclass 39 indent level is 1 Auxiliary use of propulsive fluid
[List of Pre Grant Publications for class 440 subclass 40][List of Patents for class 440 subclass 40]40 Subclass 40 indent level is 1 Direction control for fluid jet
 [List of Pre Grant Publications for class 440 subclass 41][List of Patents for class 440 subclass 41]41 Subclass 41 indent level is 2 With bucket or clamshell-type reversing means
 [List of Pre Grant Publications for class 440 subclass 42][List of Patents for class 440 subclass 42]42 Subclass 42 indent level is 2 Pivoted outlet
 [List of Pre Grant Publications for class 440 subclass 43][List of Patents for class 440 subclass 43]43 Subclass 43 indent level is 2 Pivoted vane
[List of Pre Grant Publications for class 440 subclass 44][List of Patents for class 440 subclass 44]44 Subclass 44 indent level is 1 Propulsion fluid is pressurized gas
 [List of Pre Grant Publications for class 440 subclass 45][List of Patents for class 440 subclass 45]45 Subclass 45 indent level is 2 Produced by combustion
 [List of Pre Grant Publications for class 440 subclass 46][List of Patents for class 440 subclass 46]46 Subclass 46 indent level is 1 Having means to prevent clogging
 [List of Pre Grant Publications for class 440 subclass 47][List of Patents for class 440 subclass 47]47 Subclass 47 indent level is 1 Having means to increase fluid drive means efficiency
 [List of Pre Grant Publications for class 440 subclass 48][List of Patents for class 440 subclass 48]48 HELICAL SCREW
[List of Pre Grant Publications for class 440 subclass 49][List of Patents for class 440 subclass 49]49 SCREW PROPELLER
 [List of Pre Grant Publications for class 440 subclass 50][List of Patents for class 440 subclass 50]50 Subclass 50 indent level is 1 Variable pitch
 [List of Pre Grant Publications for class 440 subclass 51][List of Patents for class 440 subclass 51]51 Subclass 51 indent level is 1 Combined with rudder
 [List of Pre Grant Publications for class 440 subclass 52][List of Patents for class 440 subclass 52]52 Subclass 52 indent level is 1 With vibration dampening
[List of Pre Grant Publications for class 440 subclass 53][List of Patents for class 440 subclass 53]53 Subclass 53 indent level is 1 With means effecting or facilitating movement of propulsion unit or a segment of the propulsion unit (e.g., tilting or steering)
 [List of Pre Grant Publications for class 440 subclass 54][List of Patents for class 440 subclass 54]54 Subclass 54 indent level is 2 With means limited to vertical movement within hull cavity
[List of Pre Grant Publications for class 440 subclass 55][List of Patents for class 440 subclass 55]55 Subclass 55 indent level is 2 Having restraining means
 [List of Pre Grant Publications for class 440 subclass 57][List of Patents for class 440 subclass 57]57 Subclass 57 indent level is 2 Having gimbal or universal joint support
[List of Pre Grant Publications for class 440 subclass 58][List of Patents for class 440 subclass 58]58 Subclass 58 indent level is 2 Having toothed or threaded member to move propulsion unit or a segment of the propulsion unit
[List of Pre Grant Publications for class 440 subclass 61R][List of Patents for class 440 subclass 61R]  61R Subclass 61R indent level is 2 Having fluid motor to move propulsion unit or a segment of the propulsion unit
 [List of Pre Grant Publications for class 440 subclass 62][List of Patents for class 440 subclass 62]62 Subclass 62 indent level is 2 Having pliant member to move propulsion unit or a segment of the propulsion unit
 [List of Pre Grant Publications for class 440 subclass 63][List of Patents for class 440 subclass 63]63 Subclass 63 indent level is 2 Having link or lever to move propulsion unit or a segment of the propulsion unit
 [List of Pre Grant Publications for class 440 subclass 64][List of Patents for class 440 subclass 64]64 Subclass 64 indent level is 2 Having shaft with releasable coupling
 [List of Pre Grant Publications for class 440 subclass 65][List of Patents for class 440 subclass 65]65 Subclass 65 indent level is 2 With means to lift propeller when an obstruction is hit
[List of Pre Grant Publications for class 440 subclass 66][List of Patents for class 440 subclass 66]66 Subclass 66 indent level is 1 Having means to control flow around propeller
 [List of Pre Grant Publications for class 440 subclass 67][List of Patents for class 440 subclass 67]67 Subclass 67 indent level is 2 Nozzle (Kort-Type)
[List of Pre Grant Publications for class 440 subclass 68][List of Patents for class 440 subclass 68]68 Subclass 68 indent level is 2 Hull channel
 [List of Pre Grant Publications for class 440 subclass 70][List of Patents for class 440 subclass 70]70 Subclass 70 indent level is 2 Hull concavity
[List of Pre Grant Publications for class 440 subclass 71][List of Patents for class 440 subclass 71]71 Subclass 71 indent level is 1 Propeller guard
 [List of Pre Grant Publications for class 440 subclass 72][List of Patents for class 440 subclass 72]72 Subclass 72 indent level is 2 Cage or screen
 [List of Pre Grant Publications for class 440 subclass 73][List of Patents for class 440 subclass 73]73 Subclass 73 indent level is 1 Self-clearing
 [List of Pre Grant Publications for class 440 subclass 74][List of Patents for class 440 subclass 74]74 Subclass 74 indent level is 1 Shaft braking or locking
 [List of Pre Grant Publications for class 440 subclass 75][List of Patents for class 440 subclass 75]75 Subclass 75 indent level is 1 Having transmission
[List of Pre Grant Publications for class 440 subclass 76][List of Patents for class 440 subclass 76]76 Subclass 76 indent level is 1 Propulsion unit casing
 [List of Pre Grant Publications for class 440 subclass 77][List of Patents for class 440 subclass 77]77 Subclass 77 indent level is 2 Cowl
 [List of Pre Grant Publications for class 440 subclass 78][List of Patents for class 440 subclass 78]78 Subclass 78 indent level is 2 Propeller shaft housing
[List of Pre Grant Publications for class 440 subclass 79][List of Patents for class 440 subclass 79]79 Subclass 79 indent level is 1 Propeller arrangement
[List of Pre Grant Publications for class 440 subclass 80][List of Patents for class 440 subclass 80]80 Subclass 80 indent level is 2 Tandem
 [List of Pre Grant Publications for class 440 subclass 82][List of Patents for class 440 subclass 82]82 Subclass 82 indent level is 2 Supporting strut
 [List of Pre Grant Publications for class 440 subclass 83][List of Patents for class 440 subclass 83]83 Subclass 83 indent level is 1 Shafting
[List of Pre Grant Publications for class 440 subclass 84][List of Patents for class 440 subclass 84]84 ENGINE, MOTOR, OR TRANSMISSION CONTROL MEANS
 [List of Pre Grant Publications for class 440 subclass 85][List of Patents for class 440 subclass 85]85 Subclass 85 indent level is 1 For starter means
 [List of Pre Grant Publications for class 440 subclass 86][List of Patents for class 440 subclass 86]86 Subclass 86 indent level is 1 For transmission
 [List of Pre Grant Publications for class 440 subclass 87][List of Patents for class 440 subclass 87]87 Subclass 87 indent level is 1 For engine speed
[List of Pre Grant Publications for class 440 subclass 88R][List of Patents for class 440 subclass 88R]  88R MEANS FOR ACCOMODATING OR MOVING ENGINE FLUIDS
 [List of Pre Grant Publications for class 440 subclass 88A][List of Patents for class 440 subclass 88A]88A Subclass 88A indent level is 1 Air intake for engine
 [List of Pre Grant Publications for class 440 subclass 88F][List of Patents for class 440 subclass 88F]88F Subclass 88F indent level is 1 Fuel for engine
 [List of Pre Grant Publications for class 440 subclass 88L][List of Patents for class 440 subclass 88L]88L Subclass 88L indent level is 1 Lubricant for engine
[List of Pre Grant Publications for class 440 subclass 88C][List of Patents for class 440 subclass 88C]88C Subclass 88C indent level is 1 Cooling for engine
[List of Pre Grant Publications for class 440 subclass 88D][List of Patents for class 440 subclass 88D]88D Subclass 88D indent level is 2 Auxiliary use of cooling fluid
 [List of Pre Grant Publications for class 440 subclass 88M][List of Patents for class 440 subclass 88M]88M Subclass 88M indent level is 2 Cooling water intake
 [List of Pre Grant Publications for class 440 subclass 88N][List of Patents for class 440 subclass 88N]88N Subclass 88N indent level is 2 Engine flushing, purging, draining or winterizing equipment
 [List of Pre Grant Publications for class 440 subclass 88HE][List of Patents for class 440 subclass 88HE]88HE Subclass 88HE indent level is 2 Heat exchanger
 [List of Pre Grant Publications for class 440 subclass 88P][List of Patents for class 440 subclass 88P]88P Subclass 88P indent level is 2 Pump
 [List of Pre Grant Publications for class 440 subclass 88T][List of Patents for class 440 subclass 88T]88T Subclass 88T indent level is 2 Tell-tale outlet
[List of Pre Grant Publications for class 440 subclass 89R][List of Patents for class 440 subclass 89R]  89R Subclass 89R indent level is 1 Means for handling exhaust gas
 [List of Pre Grant Publications for class 440 subclass 89A][List of Patents for class 440 subclass 89A]89A Subclass 89A indent level is 2 Through hub outlet
[List of Pre Grant Publications for class 440 subclass 89B][List of Patents for class 440 subclass 89B]89B Subclass 89B indent level is 2 Water cooling exhaust
 [List of Pre Grant Publications for class 440 subclass 89E][List of Patents for class 440 subclass 89E]89E Subclass 89E indent level is 2 Preventing reverse flow of exhaust
 [List of Pre Grant Publications for class 440 subclass 89F][List of Patents for class 440 subclass 89F]89F Subclass 89F indent level is 2 Watertrap
 [List of Pre Grant Publications for class 440 subclass 89G][List of Patents for class 440 subclass 89G]89G Subclass 89G indent level is 2 High and low speed exhaust pressure relief or outlet location condition responsive
 [List of Pre Grant Publications for class 440 subclass 89H][List of Patents for class 440 subclass 89H]89H Subclass 89H indent level is 2 Treating exhaust with a catalyst
 [List of Pre Grant Publications for class 440 subclass 89J][List of Patents for class 440 subclass 89J]89J Subclass 89J indent level is 2 Silencer, expansion chamber, muffler
[List of Pre Grant Publications for class 440 subclass 90][List of Patents for class 440 subclass 90]90 PADDLE WHEEL
 [List of Pre Grant Publications for class 440 subclass 91][List of Patents for class 440 subclass 91]91 Subclass 91 indent level is 1 Having means to reposition paddle wheel assembly
[List of Pre Grant Publications for class 440 subclass 92][List of Patents for class 440 subclass 92]92 Subclass 92 indent level is 1 Having means to retract paddle or change paddle attitude
 [List of Pre Grant Publications for class 440 subclass 93][List of Patents for class 440 subclass 93]93 Subclass 93 indent level is 2 Having means to provide cyclic change of paddle attitude (e.g., Voith Schneider)
 [List of Pre Grant Publications for class 440 subclass 94][List of Patents for class 440 subclass 94]94 UPRIGHT REMAINING ORBITING PADDLES
[List of Pre Grant Publications for class 440 subclass 95][List of Patents for class 440 subclass 95]95 FLEXIBLE ENDLESS PROPELLING MEANS
[List of Pre Grant Publications for class 440 subclass 96][List of Patents for class 440 subclass 96]96 Subclass 96 indent level is 1 With paddle
 [List of Pre Grant Publications for class 440 subclass 97][List of Patents for class 440 subclass 97]97 Subclass 97 indent level is 2 Foldable or retractable to nonpropelling position
[List of Pre Grant Publications for class 440 subclass 98][List of Patents for class 440 subclass 98]98 BUOYANT PROPELLING MEANS
 [List of Pre Grant Publications for class 440 subclass 99][List of Patents for class 440 subclass 99]99 Subclass 99 indent level is 1 Rotating outer hull
 [List of Pre Grant Publications for class 440 subclass 100][List of Patents for class 440 subclass 100]100 Subclass 100 indent level is 1 Wheellike
[List of Pre Grant Publications for class 440 subclass 101][List of Patents for class 440 subclass 101]101 OAR OR PADDLE
[List of Pre Grant Publications for class 440 subclass 102][List of Patents for class 440 subclass 102]102 Subclass 102 indent level is 1 Articulated sectional oar or paddle
 [List of Pre Grant Publications for class 440 subclass 103][List of Patents for class 440 subclass 103]103 Subclass 103 indent level is 2 Having gear
[List of Pre Grant Publications for class 440 subclass 104][List of Patents for class 440 subclass 104]104 Subclass 104 indent level is 1 Support
 [List of Pre Grant Publications for class 440 subclass 105][List of Patents for class 440 subclass 105]105 Subclass 105 indent level is 2 Having outrigger
[List of Pre Grant Publications for class 440 subclass 106][List of Patents for class 440 subclass 106]106 Subclass 106 indent level is 2 Oarlock
 [List of Pre Grant Publications for class 440 subclass 110][List of Patents for class 440 subclass 110]110 Subclass 110 indent level is 2 Having guard for oar
[List of Pre Grant Publications for class 440 subclass 111][List of Patents for class 440 subclass 111]111 INBOARD ENGINE MOUNT
 [List of Pre Grant Publications for class 440 subclass 112][List of Patents for class 440 subclass 112]112 Subclass 112 indent level is 1 Having thru-hull sealing means
 [List of Pre Grant Publications for class 440 subclass 113][List of Patents for class 440 subclass 113]113 MISCELLANEOUS
 
FOREIGN ART COLLECTIONS
 
      FOR000          CLASS-RELATED FOREIGN DOCUMENTS

This page is produced by the Office of Classification Support (Office of Patent Classification) for the Reference Tools Project.

Please send questions and comments to usptoinfo@uspto.gov .

Note: The Patent and Trademark Depository Library Program (PTDLP) administers a nationwide network of public, state and academic libraries designated as Patent and Trademark Depository Libraries authorized by 35 U.S.C. 13 to: Disseminate Patent and Trademark Information Support Diverse Intellectual Property Needs of the Public. PTDL Contact Information

Note: For information/comments on electronic information products, such as purchasing USPTO data, or to discuss system requirements for magnetic tape products, contact:

     Information Products Division -- U.S. Patent and Trademark Office Information Products Division Contact Information
     Or, browse their on-line catalog.

KEY: e Biz=online business system fees=fees forms=formshelp=help laws and regs=laws/regulations definition=definition (glossary)

The Inventors Assistance Center is available to help you on patent matters.Send questions about USPTO programs and services to the USPTO Contact Center (UCC). You can suggest USPTO webpages or material you would like featured on this section by E-mail to the webmaster@uspto.gov. While we cannot promise to accommodate all requests, your suggestions will be considered and may lead to other improvements on the website.


|.HOME | SITE INDEX| SEARCH | eBUSINESS | HELP | PRIVACY POLICY