PTO Manual of Classification for US patents

PTO Manual of Classification for US patents

What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.


Enter a class/subclass code here to get a list of patent titles. Use any of the following forms:
363-131 121-55A 14-.5
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Class Number: 405
 Class Title: HYDRAULIC AND EARTH ENGINEERING

Subclass  Subclass
Number    Title

  1       MARINE VESSEL PORTAGE, LAUNCHING, OR REMOVING
  2       .Rail mounted carrier
  3       .Lifting
  4       .Dry dock
  5       ..Fabrication
  6       ..Gate
  7       ..Vessel support (e.g., bilge or keel block)
  8       PRESSURIZED CAISSON
  9       .Having lifting cable
  10      .Movable relative to mobile support
  11      MEANS TO EXPOSE A NORMALLY WETTED SURFACE,E.G., COFFERDAM, ETC.
  12      .Contoured to wetted surface, e.g., side hung ship caisson
  13      .Having transport, placement, or dislodgement means
  14      .Connectable sections
  15      BANK, SHORE, OR BED PROTECTION
  16      .Revetment
  17      ..Revetment laying
  18      ..Continuous concrete or concrete filled bag
  19      ..Mattress
  20      ...Hinged concrete sections
  21      .Wave or flow dissipation
  22      ..Fluid application
  23      ..Floatable dissipator submerged at site
  24      ..Artificial seaweed
  25      ..Bed supported subsurface dissipator
  26      ..Floating
  27      ...Openwork
  28      ..Flexibly suspended from or pivoted to support
  29      ..Polypod
  30      ..Openwork or concave face
  31      ...Associated with solid wall
  32      ...With fabric
  33      ...Interfitted or interleaved members
  34      ...Jetty
  35      ...Spaced members
  36      DRAINAGE OR IRRIGATION
  37      .Control means responsive to sensed condition
  38      .Including subsurface moisture barrier
  39      .Having regulation of flow through channel
  40      ..At outlet or intake
  41      ...Riser or standpipe outlet or intake
  42      .End cap
  43      .Porous or apertured pipe, flume, or tileway
  44      ..Uniform discharge
  45      ..Porous
  46      ..Earthen bottom
  47      ..Flow through joint
  48      ..Open seam or shielded outlet
  49      ..Corrugated
  50      .Porous waterway, e.g., sand drain, etc.
  51      .Branched flow
  52      FLUID CONTROL OR TREATMENTT
  53      .Fluid storage in earthen cavity
  54      ..With indicator or alarm means
  55      ..Cavity construction
  56      ...Including cooling or heating of material surrounding cavity
  57      ...Earth treatment
  58      ....Dissolving earth
  59      ..Supply or recovery of stored fluid by separate fluid
  60      .Floatable matter control
  60.5    ..Logging device for guiding logs
  61      ..Ice
  62      ..Barrier formed by fluid
  63      ..Floating barrier
  64      ...Submergible
  65      ...With means to seal space between barrier and fixed structure
  66      ...With barrier storage or deployment feature
  67      ....Quick release float
  68      ....Inflatable or deflatable
  69      .....Self-inflating
  70      ...Having joint detail
  71      ....Having hinged joint between rigid sections
  72      ...With reinforcing feature
  73      .Erosive scouring
  74      .Settling of suspended matter or removal of settled matter
  75      .Extracting power from moving fluid
  76      ..Wave or tide
  77      ...With flow restrictor or ramp
  78      ..Associated with dam
  79      .Wave generation or enhancement
  80      .Flow control
  81      ..Fishway
  82      ...Elevator
  83      ...Closed channel
  84      ..Navigable canal
  85      ...Having lock
  86      ....Movable lifting member
  87      ..Water gate or adjustable weir
  88      ...Center flow
  89      ...Uniform discharge
  90      ...Removable
  91      ....Flexible
  92      ...Condition responsive
  93      ....To weight of liquid separated from a main body
  94      ....To pressure on pivoted water gate
  95      .....With latch for closed position
  96      ....Float
  97      .....Having separate float chamber
  98      ...Roller or flexible
  99      ...Swinging
  100     ....About horizontal axis
  101     .....Overflow
  102     ......Collapsible
  103     ...Sliding
  104     ....Vertical
  105     .....Gate unseating
  106     .....With lift mechanism or latch
  107     ..Artificial water barrier (e.g., dam, levee, etc.)
  108     ...Having spillway
  109     ...Having impervious coree
  110     ...Hollow or buttressed
  111     ....With ballast compartment or cavity
  112     ....Vertical wall buttress
  113     ...Tension stayed
  114     ...Connectable sections
  115     ...Flexible
  116     ...In situ construction
  117     ....Earthen
  118     ..Open channel
  119     ...Flume
  120     ....Elbow or tee
  121     ....Joint
  122     .....Including U-clamp
  123     ......With crossbar
  124     ..Culvert
  125     ...Terminal or head
  126     ...Serially connected segments
  127     ..Intake
  128     WASTE DISPOSAL IN SOIL
  129     .Landfill
  130     TEMPERATURE MODIFICATION OR CONTROL OF EARTHEN FORMATION
  131     .Heating
  132     UNDERGROUND PASSAGEWAY, E.G., TUNNEL
  133     .Vertical
  134     .Sectional
  135     ..Seal or joint
  136     .Subaqueous
  137     ..Below bed
  138     .Boring
  139     ..With auxiliary tunnel
  140     ..By axially overlapped members
  141     ..Shield
  142     ...With transverse force application feature
  143     ...Direction control
  144     ...Door or bulkhead
  145     ...Discrete independently advanceable earth supporting segments
  146     ...Lining installation
  147     ...Seal
  148     ..Work platform
  149     .Cut and cover
  150.1   .Lining
  150.2   ..By spraying of settable material (e.g., concrete)
  151     ..Panel
  152     ...With sealing feature
  153     ...With separate fastening means between adjacent panels
  154     PIPE OR CABLE LAYING, RETRIEVING, OR UNDERWATER MANIPULATION
  155     .Cast in situ
  156     .With forming or cutting of pipe or cable
  157     .With protection or indication of pipe or trench
  158     .Submerging, raising, or manipulating line of pipe or cable in
            or from marine environment
  159     ..Entrenched or buried
  160     ...Condition responsive
  161     ...Entrenching or burying apparatus guided by pre-positioned
              pipe or cable
  162     ....With apparatus buoyancy control
  163     ....With bottom fluidizing means
  164     ...By towing submerged sled with attached plow and pipe or cablee
              guide
  165     ....With means to forcibly feed or to control tension in pipe or
               cable
  166     ..Facilitated by extension from line-laying vessel
  167     ...Articulated segments
  168.1   ..With causing or controlling the deformation of a line
  168.2   ...Buckle arrestor for pipe
  168.3   ...Pipe laying from a reel
  168.4   ...Pipe tensioner
  169     ..With assembling of ling structure
  170     ...By joining successive sections of line
  171     ..By control of buoyancy
  172     ..With anchoring of line
  173     ..With raising of line from marine floor
  174     .By means advancing along terrain and guiding pipe or cable into
            subterranean position
  175     ..Condition responsive
  176     ..Tape or strip
  177     ..With positive feed or means to vary tension in pipe or cable
  178     ..Simultaneous laying of plural parallel pipes or cables
  179     ..With backfill or bedding material conveying or dispensing
             means
  180     ..Including trench forming plow with pipe or cable guide
  181     ...With depth adjustment
  182     ...With plow vibrating or oscillating means
  183     ...Guide integral with or rigidly fixed to plow
  184     .Advancing subterranean length of pipe or cable
  185     DIVING
  186     .Suit or accessory therefor
  187     ..Rigid element
  188     .Underwater docking or mooring
  189     ..With communication between inhabitable enclosures
  190     .Remote control
  191     ..From surface
  192     .With air lock
  193     .With pressure equalization
  194     .With continuous surface access
  195.1   MARINE STRUCTURE OR FABRICATION THEREOF
  196     .With work deck vertically adjustable relative to floor
  197     ..Sectional leg
  198     ..Longitudinally extending projections or recesses
  199     ..Frictional gripper
  200     ..By buoyancy control
  201     .With horizontally movable work deck
  202     .With pivotal connection between work deck and base
  203     .Floatable to site and supported by marine floor
  204     ..With assembly of sectional supporting structure at site
  205     ..With ballasting means to sink or position structure at site
  206     ...Detachable from structure
  207     ...Compartment in base
  208     ....And leg depending from base
  209     ..Separable transport means
  210     .Storage container
  211     .Structure protection
  211.1   ..Corrosion prevention
  212     ..Fender
  213     ...Roller type
  214     ...Having coil springg
  215     ...Resilient block
  216     ..Sleeve or coating
  217     .In or on frozen media
  218     .Dock
  219     ..Floating
  220     ..Hinged
  221     ..Vertically adjustable
  222     .Cast in situ
  223     ..Installing means
  223.1   .Tension leg platform
  224     .With anchoring of structure to marine floor
  224.1   ..Pressure holding or loosening means
  224.2   ..By riser pipe
  224.3   ...Having flexible segment
  224.4   ...Having tensioner
  225     ..By grouting preformed structure
  226     ..Including floor modifying means
  227     ..By pile extending through sleeve in structure
  228     ..Pile driving
  229     FOUNDATION
  230     .Underpinning
  231     .Columnar structure (e.g., pier, pile)
  232     ..Process or apparatus for installing
  233     ...Casting in situ hardenable fluent material
  234     ....With heating, cooling, or explosion
  235     ....With subsequent moving
  236     ....Subsurface dispensing of material for flow toward surface
  237     ....Forming subsurface enlargement
  238     .....Preformed enlargement cavity
  239     ....Providing embedded metallic reinforcement
  240     ....Dispensing fluent material while withdrawing dispenser
  241     .....Dispensing auger
  242     .....Driven dispenser with separable tip
  243     ....Withdrawing form structure
  244     ...With anchoring of structure
  245     ...Driving removable wall supporting core
  246     ....Diametrically retractable core
  247     .....Fluid pressure actuated
  248     ...With subsurfacr fluid discharge
  249     ...Caisson or hollow shaft
  250     ..Comprising series of connected longitudinal sections having
             diverse compositions
  251     ..With joint or connection between sections of similar material
  252     ...Between concrete sections
  252.1   ..Pile having screw threads
  253     ..With driving or cutting tip
  254     ...Longitudinally ribbed
  255     ..With end cap
  256     ..Concrete
  257     ...With form or casing
  258     EARTH TREATMENT OR CONTROL
  259.1   .Rock or earth bolt or anchor
  259.2   ..Frangible bolt
  259.3   ..Expandable tube
  259.4   ..Bolt having wedge expander
  259.5   ..With settable material feature
  259.6   ...Breaking canister or packet
  262     ..With retaining walll
  263     .Chemical
  264     ..Organic
  265     ...Bituminous
  266     ..Cementitious (e.g., grouting)
  267     ...Filling substerranean cavity (e.g., underground wall)
  268     ...Lining
  269     ...Injector
  270     .Impermeabilization
  271     .Compaction
  272     .Shoring, bracing, or cave-in prevention
  273     ..Cribbing
  274     ..Sheet piles
  275     ...Concrete
  276     ...Metal
  277     ....C or I sections
  278     ....Head and claw interlock
  279     ....With separate fastening, reinforcing or sealing means
  280     ....Cellular
  281     ....Bulb and socket interlock
  282     ..Trench shoring
  283     ...Shield type
  284     ..Retaining wall
  285     ...Pile and panel
  286     ...Concrete
  287     ....Cast in situ
  287.1   ..Cast in situ
  288     ..Roof support
  289     ...Inflatable
  290     ...Jack
  291     ....Mobile
  292     .....Position restoring
  293     .....With canopy extension
  294     ......Telescoping
  295     .....Cantilevered
  296     .....With rubble shield
  297     .....With contour following feature
  298     .....Under load advanceable
  299     .....Self-advanceable
  300     ......Paired
  301     .......Nested
  302     .....Control system
  302.1   ...Subterranean roof plate
  302.2   ...Cable or strap support
  302.3   ...Mesh support
  303     MISCELLANEOUS