IPC Classification

Class code (prefix) Descriptions Number of results
E01B 1/00 Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
E01B 2/00 General structure of permanent way
E01B 3/00 Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
E01B 3/02 Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from wood
E01B 3/04 Means for preventing cleaving
E01B 3/06 Anti-cracking dogs
E01B 3/08 Straps or bands for hooping or encircling sleepers
E01B 3/10 Composite sleepers
E01B 3/12 Longitudinal sleepers; Longitudinal sleepers integral or combined with tie-rods; Combined longitudinal and transverse sleepers
E01B 3/14 Slabs; Blocks; Fastening tie-rods to them
E01B 3/16 Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from steel
E01B 3/18 Composite sleepers
E01B 3/20 Sleeper construction for special purposes, e.g. with openings for ballast working
E01B 3/22 Longitudinal sleepers; Longitudinal sleepers integral or combined with tie-rods; Combined longitudinal and transverse sleepers
E01B 3/24 Slabs; Blocks; Pot sleepers; Fastening tie-rods to them
E01B 3/26 Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from steel combined with inserts of wood, artificial stone, or other material
E01B 3/28 Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
E01B 3/30 Hollow sleepers
E01B 3/32 Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone with armouring or reinforcement
E01B 3/34 Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone with armouring or reinforcement with pre-tensioned armouring or reinforcement
E01B 3/36 Composite sleepers
E01B 3/38 Longitudinal sleepers; Longitudinal sleepers integral or combined with tie-rods; Combined longitudinal and transverse sleepers; Layers of concrete supporting both rails
E01B 3/40 Slabs; Blocks; Pot sleepers; Fastening tie-rods to them
E01B 3/42 Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone combined with inserts of wood or other material
E01B 3/44 Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from other materials only if the material is essential
E01B 3/46 Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from different materials
E01B 3/48 Distance keepers or tie-rods for sleepers
E01B 5/00 Rails; Guard rails; Distance-keeping means for them
E01B 5/02 Rails
E01B 5/04 Grooved rails
E01B 5/06 Reversible or invertible rails
E01B 5/08 Composite rails; Compound rails with dismountable or non-dismountable parts
E01B 5/10 Composite grooved rails; Inserts for grooved rails
E01B 5/12 Rails with a foot serving as a sleeper
E01B 5/14 Rails for special parts of the track, e.g. for curves
E01B 5/16 Distance keepers
E01B 5/18 Guard rails; Connecting, fastening or adjusting means therefor
E01B 7/00 Switches; Crossings
E01B 7/02 Tongues; Associated constructions
E01B 7/04 Constructions with tongues turning about a vertical pivot at the end
E01B 7/06 Constructions with flexible tongues or flexible fishplates
E01B 7/08 Other constructions of tongues, e.g. tilting about an axis parallel to the rail, movable tongue blocks or rails
E01B 7/10 Frogs
E01B 7/12 Fixed frogs made of one part or composite
E01B 7/14 Frogs with movable parts
E01B 7/16 Jump-over frogs
E01B 7/18 Combinations of switches and crossings
E01B 7/20 Safety means for switches, e.g. switch point protectors, auxiliary or guiding rail members
E01B 7/22 Special sleepers for switches or crossings; Fastening means therefor
E01B 7/24 Heating of switches
E01B 7/26 Lubricating of switches
E01B 7/28 Crossings
E01B 7/30 Jump-over crossings
E01B 9/00 Fastening rails on sleepers, or the like
E01B 9/02 Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
E01B 9/04 Fastening on wooden or concrete sleepers or on masonry without clamp members
E01B 9/06 Railways spikes
E01B 9/08 Elastic spikes
E01B 9/10 Screws or bolts for sleepers
E01B 9/12 Retaining or locking devices for spikes or screws
E01B 9/14 Plugs, sleeves, thread linings, or other inserts for holes in sleepers
E01B 9/16 Plugs, sleeves, thread linings, or other inserts for holes in sleepers for wooden sleepers
E01B 9/18 Plugs, sleeves, thread linings, or other inserts for holes in sleepers for concrete sleepers
E01B 9/20 Fastening on wooden or concrete sleepers or on masonry without clamp members by keys
E01B 9/22 Fastening on steel sleepers without clamp members
E01B 9/24 Fastening on steel sleepers without clamp members by keys
E01B 9/26 Welded fastenings
E01B 9/28 Fastening on wooden or concrete sleepers or on masonry with clamp members
E01B 9/30 Fastening on wooden or concrete sleepers or on masonry with clamp members by resilient steel clips
E01B 9/32 Fastening on steel sleepers with clamp members
E01B 9/34 Fastening on steel sleepers with clamp members by resilient steel clips
E01B 9/36 Metal sole-plates for rails which rails are directly fastened to sleepers
E01B 9/38 Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
E01B 9/40 Tie-plates for flat-bottom rails
E01B 9/42 Tie-plates for flat-bottom rails of two or more parts
E01B 9/44 Fastening the rail on the tie-plate
E01B 9/46 Fastening the rail on the tie-plate by clamps
E01B 9/48 Fastening the rail on the tie-plate by clamps by resilient steel clips
E01B 9/50 Fastening the rail on the tie-plate by keys
E01B 9/52 Fastening the rail on the tie-plate by keys by resilient keys
E01B 9/54 Rail chairs
E01B 9/56 Rail chairs for rails with two or more treads
E01B 9/58 Fastening the rail in the chair
E01B 9/60 Rail fastenings making use of clamps or braces supporting the side or head of the rail
E01B 9/62 Rail fastenings incorporating resilient supports
E01B 9/64 Rail fastenings gripping or encircling the sleeper
E01B 9/66 Rail fastenings allowing the adjustment of the position of the rails, so far as not covered by the preceding groups
E01B 9/68 Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
E01B 11/00 Rail joints
E01B 11/02 Dismountable rail joints
E01B 11/04 Flat fishplates
E01B 11/06 Flat fishplates with keys or pins
E01B 11/08 Angle fishplates
E01B 11/10 Fishplates with parts supporting or surrounding the rail foot
E01B 11/12 Fishplates engaging only the rail foot
E01B 11/14 Rail foot flange clips in one piece
E01B 11/16 Fishplates for joining rails of different sections
E01B 11/18 Fishplates for temporarily repairing broken rails
E01B 11/20 Dismountable rail joints with gap-bridging
E01B 11/22 Dismountable rail joints with gap-bridging by parts of the rails
E01B 11/24 Dismountable rail joints with gap-bridging by parts of the rails with oblique or overlapping rail ends
E01B 11/26 Dismountable rail joints with gap-bridging by parts of the rails with interlocking rail ends
E01B 11/28 Dismountable rail joints with gap-bridging by parts of the joining members
E01B 11/30 Fishplates with integral tread parts lying in the cross-section of the rail head
E01B 11/32 Dismountable rail joints with gap-bridging by separate parts; Inserts bridging both rail heads
E01B 11/34 Auxiliary rail beside the gap
E01B 11/36 Fastening means for fishplates
E01B 11/38 Locking arrangements for fastening means
E01B 11/40 Dismountable rail joints combined with welded parts
E01B 11/42 Joint constructions for relatively movable rails, e.g. rails on turntables, traversers, or swing bridges
E01B 11/44 Non-dismountable rail joints; Welded joints
E01B 11/46 General methods for making gapless tracks
E01B 11/48 Joints made by flame welding
E01B 11/50 Joints made by electric welding
E01B 11/52 Joints made by alumino-thermal welding
E01B 11/54 Electrically-insulating rail joints
E01B 11/56 Special arrangements for supporting rail ends
E01B 11/58 Bridge plates
E01B 11/60 Bridge plates with wedges
E01B 11/62 Bridge chairs
E01B 13/00 Arrangements preventing shifting of the track
E01B 13/02 Rail anchors
E01B 15/00 Guards for preventing a person's foot being trapped in grooved rails
E01B 17/00 Cattle guards connected to the permanent way
E01B 19/00 Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
E01B 21/00 Track superstructure specially adapted for tramways in paved streets
E01B 21/02 Special supporting means; Draining of rails
E01B 21/04 Special fastenings, joint constructions, or tie-rods
E01B 23/00 PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS - Details specially adapted therefor
E01B 23/02 Tracks for light railways, e.g. for field, colliery, or mine use
E01B 23/04 Fastening or joining means
E01B 23/06 Switches; Portable switches; Turnouts
E01B 23/08 Temporary tracks for use while repairing tramways
E01B 23/10 Shiftable tracks for heavy loads, e.g. carrying excavators
E01B 23/12 Sleepers
E01B 23/14 Fastening or joining means
E01B 23/16 Switches
E01B 25/00 Tracks for special kinds of railways
E01B 25/02 Tracks for rack railways
E01B 25/04 Rack rails; Supports or connections for rack rails
E01B 25/06 Switches; Frogs; Crossings
E01B 25/08 Tracks for mono-rails with centre of gravity of vehicle above the load-bearing rail
E01B 25/10 Mono-rails; Auxiliary balancing rails; Supports or connections for rails
E01B 25/12 Switches; Crossings
E01B 25/14 Tracks for cable-drawn railway vehicles
E01B 25/15 Switches; Crossings
E01B 25/16 Tracks for aerial rope railways with a stationary rope
E01B 25/18 Ropes; Supports, fastening or straining means for ropes
E01B 25/20 Switches; Crossings
E01B 25/22 Tracks for railways with the vehicle suspended from rigid supporting rails
E01B 25/24 Supporting rails; Auxiliary balancing rails; Supports or connections for rails
E01B 25/26 Switches; Crossings
E01B 25/28 Rail tracks for guiding vehicles when running on road or similar surface
E01B 25/30 Tracks for magnetic suspension or levitation vehicles
E01B 25/32 Stators, guide rails or slide rails
E01B 25/34 Switches; Frogs; Crossings
E01B 26/00 Tracks or track components not covered by any one of main groups
E01B 27/00 Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
E01B 27/02 Placing the ballast; Making the ballastway; Redistributing ballasting material; Machines or devices therefor; Levelling means
E01B 27/04 Removing the ballast; Machines therefor, whether or not additionally adapted for taking-up ballast
E01B 27/06 Renewing or cleaning the ballast in situ, with or without concurrent work on the track
E01B 27/08 Renewing or cleaning the ballast in situ, with or without concurrent work on the track the track having been taken-up
E01B 27/10 Renewing or cleaning the ballast in situ, with or without concurrent work on the track without taking-up the track
E01B 27/11 Renewing or cleaning the ballast in situ, with or without concurrent work on the track combined with concurrent renewal of track components
E01B 27/12 Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
E01B 27/13 Packing sleepers, with or without concurrent work on the track
E01B 27/14 Manual tools or hand-held power tools therefor
E01B 27/16 Machines therefor, e.g. so-called sleeper-tamping machines
E01B 27/17 Machines therefor, e.g. so-called sleeper-tamping machines combined with means for lifting, levelling, or slewing the track
E01B 27/18 Packing sleepers, with or without concurrent work on the track by introducing additional fresh material under the sleepers, e.g. by the measured-shovel method, by the blowing method
E01B 27/20 Compacting the material of the track-carrying ballastway, e.g. by vibrating the track, by surface vibrators
E01B 29/00 Laying, rebuilding, or taking-up tracks; Tools or machines therefor
E01B 29/02 Transporting, laying, removing, or renewing lengths of assembled track, assembled switches, or assembled crossings
E01B 29/04 Lifting or levelling of tracks
E01B 29/05 Transporting, laying, removing, or renewing both rails and sleepers
E01B 29/06 Transporting, laying, removing, or renewing sleepers
E01B 29/09 Transporting, laying, removing, or renewing sleepers under, or from under, installed rails
E01B 29/10 Transporting, laying, removing, or renewing sleepers under, or from under, installed rails for inserting or removing sleepers
E01B 29/11 Removal involving destruction of the sleeper, e.g. the sectioning thereof
E01B 29/13 Transporting, laying, removing, or renewing sleepers under, or from under, installed rails for moving sleepers in a direction parallel to the rails, e.g. for spacing or aligning them
E01B 29/14 Transporting, laying, removing, or renewing sleepers under, or from under, installed rails for lifting sleepers up to the rails
E01B 29/16 Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track
E01B 29/17 Lengths of rails assembled into strings, e.g. welded together
E01B 29/20 Moving rails placed on installed sleepers in the plane of the track
E01B 29/22 Raising rails from sleepers, e.g. for inserting sole-plates
E01B 29/24 Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means
E01B 29/26 Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means the fastening means being spikes
E01B 29/28 Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means the fastening means being of screw-and-nut type; Apparatus therefor, adapted to additionally drilling holes
E01B 29/29 Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means the fastening means being of screw-and-nut type; Apparatus therefor, adapted to additionally drilling holes for horizontally-arranged fastening elements, e.g. fish-bolts
E01B 29/32 Installing or removing track components, not covered by the preceding groups, e.g. sole-plates, rail anchors
E01B 29/40 Means or arrangements for temporarily supporting laid tracks, or rails or sleepers in the track
E01B 29/42 Undetachably joining or fastening track components in or on the track, e.g. by welding, by gluing; Pre-assembling track components by gluing; Sealing joints with filling components
E01B 29/44 Methods for effecting joining of rails in the track, e.g. taking account of ambient temperature
E01B 29/46 Devices for holding, positioning, or urging together the rail ends
E01B 31/00 Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
E01B 31/02 Working rail or other metal track components on the spot
E01B 31/04 Sectioning or slitting, e.g. by sawing, shearing, flame-cutting
E01B 31/06 Making holes, e.g. by drilling, punching, flame-cutting
E01B 31/08 Bending, e.g. for straightening rails or rail joints
E01B 31/12 Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
E01B 31/13 Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by milling
E01B 31/15 Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by planing or filing
E01B 31/17 Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding
E01B 31/18 Reconditioning or repairing worn or damaged parts on the spot, e.g. applying inlays, building-up rails by welding; Heating or cooling of parts on the spot, e.g. for reducing joint gaps, for hardening rails
E01B 31/20 Working or treating non-metal sleepers in or on the line, e.g. marking, creosoting
E01B 31/22 Cutting or grinding wooden sleepers, e.g. for forming rail seats
E01B 31/23 Sectioning
E01B 31/24 Forming, treating, reconditioning, or cleaning holes in sleepers; Drilling-templates
E01B 31/26 Inserting or removing inserts or fillings for holes in sleepers, e.g. plugs, sleeves
E01B 31/28 Applying or removing anti-splitting or like reinforcing means
E01B 33/00 Machines or devices for shifting tracks, with or without lifting, e.g. for aligning track, for shifting excavator track
E01B 33/02 Machines or devices for shifting tracks, with or without lifting, e.g. for aligning track, for shifting excavator track for slewing, i.e. transversely shifting, in steps
E01B 33/04 Manual tools; Devices not mounted on vehicles
E01B 33/06 Machines or devices for shifting tracks, with or without lifting, e.g. for aligning track, for shifting excavator track for slewing in a continuous operation, e.g. for tracks which carry excavators
E01B 33/08 Boom track-slewing machines
E01B 33/10 Bridge track-slewing machines
E01B 33/12 Combined boom and bridge track-slewing machines
E01B 33/18 Machines or devices for shifting tracks, with or without lifting, e.g. for aligning track, for shifting excavator track for slewing in a continuous operation, e.g. for tracks which carry excavators - Details not peculiar to a particular type of machine
E01B 33/21 Arrangement or construction of rollers moving the rails
E01B 35/00 Applications of measuring apparatus or devices for track-building purposes
E01B 35/02 Applications of measuring apparatus or devices for track-building purposes for laying-out curves
E01B 35/04 Wheeled apparatus
E01B 35/06 Applications of measuring apparatus or devices for track-building purposes for measuring irregularities in longitudinal direction
E01B 35/08 Applications of measuring apparatus or devices for track-building purposes for measuring irregularities in longitudinal direction for levelling
E01B 35/10 Applications of measuring apparatus or devices for track-building purposes for measuring irregularities in longitudinal direction for aligning
E01B 35/12 Applications of measuring apparatus or devices for track-building purposes for measuring movement of the track or of components thereof under rolling loads, e.g. depression of sleepers, increase of gauge
E01B 37/00 Making, maintaining, renewing, or taking-up the ballastway or the track, not provided for in a single one of groups