Cooperative Patent Classification

CPC Definition - Subclass E01B

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Last Updated Version: 2017.01
PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS (derailing or rerailing blocks on track, track brakes or retarders B61K)
Definition statement

This place covers:

Structure of stationary tracks on which propelled vehicles run for the transportation of passengers or freights;

Tools and machines specially designed for making, maintaining, renewing or taking-up the track.

References
Limiting references

This place does not cover:

Model railways

Wetting or lubricating rails

Track brakes fixed to permanent way

Devices along the track for guiding or ensuring the safety of railway traffic

Foundation for paving

Bridges in general

Removing undesirable matter from the permanent way (cleaning)

Foundations in general

Making tunnels

Cable through

Informative references

Attention is drawn to the following places, which may be of interest for search:

Railway systems including the vehicle

Synonyms and Keywords

In patent documents, the following words/expressions are often used with the meaning indicated:

"Permanent way"

" Railway, railroad"

Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway (draining by trenches, culverts, or conduits E01F 5/00)
Definition statement

This place covers:

Continuous load bearing bedding for supporting the sleepers or the track, e.g. ballast or concrete slab;

Drainage of the ballastway or the ballastless bedding

References
Limiting references

This place does not cover:

Slabs as such for supporting the rails

Draining of tramway rails

Placing, working or taking-up the ballast

Making of concrete parts of the track in situ

Means for temporarily supporting the sleeper or the track

Fastening railway sleepers to bridges

Draining the sub-base of railways by trenches, culverts or conduits

Informative references

Attention is drawn to the following places, which may be of interest for search:

Draining of streets

Draining of sport grounds

Draining arrangements for bridges

Drainage of soils in general

General structure of permanent way (railway networks B61B 1/00; foundations for pavings E01C 3/00; foundations in general E02D)
Definition statement

This place covers:

General structure of the track, e.g. on bridges or in tunnels, foundations for the track.

References
Limiting references

This place does not cover:

Track superstructure adapted for tramways in paved streets

Tracks for special kinds of railways

General arrangements of stations, e.g. platforms

Informative references

Attention is drawn to the following places, which may be of interest for search:

Foundation for pavings

Foundations in general

Transverse or longitudinal sleepers (for switches or crossings E01B 7/22); Other means resting directly on the ballastway for supporting rails
Definition statement

This place covers:

Sleepers and other means for supporting rails, e.g. concrete slabs, regardless of the substructure, the sleepers being parallel or orthogonal to the rails.

References
Limiting references

This place does not cover:

Sleeper shoes for ballastless track

E01B/00C2

Sleepers for switches or crossings

Sleepers for shiftable tracks for heavy loads

Manufacturing of concrete sleepers

Synonyms and Keywords

Sleeper

Tie, crosstie

Rails; Guard rails (manufacture of rails B21B); Distance-keeping means for them
Definition statement

This place covers:

Rails for carrying vehicles with their centre of gravity above or suspended from the rail; guard rails, guide rails to prevent derailing; distance keeping means.

References
Limiting references

This place does not cover:

Tie-rods for sleepers

Rail parts for switches or crossings

Rail anchors preventing shifting of the track

Tie-rods for tramway rails

Laying, re-building or taking-up the rails

Working rails in or on the line

Manufacture of rails

Synonyms and Keywords

Guard rail

Check rail

Switches; Crossings (operating mechanisms B61L)
Definition statement

This place covers:

Mechanical installation enabling trains to be guided from one track to another at a railway junction; crossing of tracks.

References
Limiting references

This place does not cover:

Guard rails

Turntables

Lubricating of rails

Operating mechanisms

Informative references

Attention is drawn to the following places, which may be of interest for search:

Switches for easy dismountable tracks

Switches for special kinds of railways

Fastening rails on sleepers, or the like (fastening rails to bridges E01D 19/12)
Definition statement

This place covers:

Fastening means and other track components, e.g. tie-plates, sole-plates, pads or the like, used for attaching rails on their support.

References
Limiting references

This place does not cover:

Fastening switches or crossings on special sleepers

Rail anchors

Apparatus for fixing or removing fastening means or track components

Fastening rails to bridges

Informative references

Attention is drawn to the following places, which may be of interest for search:

Fastening means in general

Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
Definition statement

This place covers:

Means for fastening rails directly on sleepers or foundations, even if the rails rest on sole-plates or pads;

Means for fastening tie plates or chairs directly on sleepers or foundations.

References
Limiting references

This place does not cover:

Tie plates per se

Fastening the rail on the tie-plate

Rail chairs per se

Fastening the rail in the chair

Special rail fastenings

Rail joints (electrical connection of the rail B60M 5/00)
Definition statement

This place covers:

Dismountable or non-dismountable rail joints, e.g. by using fishplates or made by welding.

References
Limiting references

This place does not cover:

Undetachably joining in or on the track, e.g. welding

Electrical connections of the rail

Informative references

Attention is drawn to the following places, which may be of interest for search:

Welding in general

Locking means in general

Arrangements preventing shifting of the track
Definition statement

This place covers:

Arrangements, e.g. rail anchors, preventing shifting such as longitudinal rail movement, which typically occurs during acceleration or deceleration of vehicles, or during expansion and contraction due to temperature change.

References
Limiting references

This place does not cover:

Machines or devices for shifting tracks

Guards for preventing a person's foot being trapped in grooved rails
Definition statement

This place covers:

Arrangements to avoid a person's foot to get stuck in the gap formed along a rail by grooved rails.

References
Limiting references

This place does not cover:

Safety means (in general) for rail/road crossing traffic

Cattle guards connected to the permanent way (grids in general for preventing cattle from straying A01K 3/00)
Definition statement

This place covers:

Arrangements connected to the installations of the railroad preventing cattle or cattle-like animals (whether domesticated or not), such as horses, sheep or deer, from straying on or walking along railways, or preventing intrusion in tunnels.

References
Limiting references

This place does not cover:

Grids in general for preventing for preventing cattle from straying

Guards or obstacles for preventing access to the route

Informative references

Attention is drawn to the following places, which may be of interest for search:

Means for fixing fences or the like to rails

Snow fences

Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise (snow fences E01F 7/02, snow-ploughs E01H 8/02, watering E01H 11/00)
Definition statement

This place covers:

Protective means of the permanent way against weather influences incorporated in the track;

Means for protecting the underground against spillage;

Means to reduce noise incorporated in the track

References
Limiting references

This place does not cover:

Snow fences

Snow ploughs

Control of undesirable vegetation on permanent ways of railways

Informative references

Attention is drawn to the following places, which may be of interest for search:

Spillage retaining means for large containers

Protection against snow, sand wind or falling rocks in general

Noise absorbing or reflecting arrangements for railways

Removing snow or ice from roads

Track superstructure adapted for tramways in paved streets (paving E01C 9/04, E01C 9/06)
Definition statement

This place covers:

Embedded rail systems, where the traffic area of rail vehicles needs to be shared with road users of private transport, such as cars, trucks or bikes and pedestrians.

References
Limiting references

This place does not cover:

Paving for railroad level crossings

Paving adjacent tramway rails

Informative references

Attention is drawn to the following places, which may be of interest for search:

Bedding e.g. ballast or concrete

Drainage of the track

Easily dismountable or movable tracks, e.g. temporary railways; Details specially adapted therefor
Definition statement

This place covers:

Light railways such as field, colliery or mine use, temporary railways, as well as shiftable tracks for heavy loads.

References
Limiting references

This place does not cover:

Model or toy railways

Runway or tracks for trolleys or cranes

Rails of supporting structures for mobile scaffolds provided on roofs

Informative references

Attention is drawn to the following places, which may be of interest for search:

Propelled stands or trestles, e.g. on tracks, as supports for apparatus placed thereon

Tracks for special kinds of railways (systems B61B; wheel tracks on roads E01C 9/02)
Definition statement

This place covers:

Special kinds such as rack railways, mono rails, cable-drawn, stationary aerial rope, supporting rails for suspended vehicles, tracks for guiding vehicles, magnetic suspension.

References
Limiting references

This place does not cover:

Slaughterhouse conveying track

Overhead rail system for handicapped persons

Electric propulsion

Suspended load carriers movable by hand or gravity

Wheel tracks

Informative references

Attention is drawn to the following places, which may be of interest for search:

Rope railway systems using cables as traction means

Funicular systems

Other railway systems

Not vehicle mounted steering control for guiding road vehicles, e.g. in urban networks.

Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
Definition statement

This place covers:

Placing, redistributing, levelling, loosening the ballast; removing or taking-up ballast; renewing or cleaning the ballast in situ, with or without taking-up or lifting the track; compacting the ballast with or without introducing additional fresh material under the sleepers.

References
Limiting references

This place does not cover:

General body details of railway vehicles, e.g. working platform

Removing undesirable matter from the permanent way

Glossary of terms

In this place, the following terms or expressions are used with the meaning indicated:

Packing sleepers

Locally compacting the ballast in the vicinity of the sleepers

Laying, rebuilding, or taking-up tracks; Tools or machines therefor (E01B 27/00, E01B 31/00 take precedence)
Definition statement

This place covers:

Transporting, laying, removing or renewing rails, sleepers or lengths of assembled track;

Lifting or levelling of tracks; installing or removing fastening means or other track components, e.g. rail clips, sole-plates;

Undetachably joining or fastening track components in or on the track, e.g. by welding; Sealing rail joints.

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Welding in general

Fastening tools in general

Hand held nailing or stapling tools

Devices for moving or tilting heavy loads

Cranes mounted on railway vehicles

Lifting devices in general

Glueing metal parts in general

Glossary of terms

In this place, the following terms or expressions are used with the meaning indicated:

Ribbon rails

Rails assembled into strings

Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor (characterised by features independent of use on assembled track B21, B23 - B25, B27)
Definition statement

This place covers:

Working such as reconditioning, repairing or treating track components in or on the line and machines specially designed therefor.

References
Limiting references

This place does not cover:

Working the ballast

Laying, rebuilding or taking up tracks or track components

Undetachably joining or fastening track components

Machines or devices for shifting tracks, with or without lifting, e.g. for aligning track, for shifting excavator track (combined with sleeper packing machines E01B 27/17)
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Machines combined with sleeper packing machines

Applications of measuring apparatus or devices for track-building purposes (apparatus on locomotives or cars to indicate or record bad track sections B61K 9/00; measuring angles, linear dimensions, or irregularities in general G01B, G01C)
Definition statement

This place covers:

Measuring for track building, maintaining or renewing purposes.

References
Limiting references

This place does not cover:

Apparatus on locomotives or cars to indicate or record bad track sections

Devices along the track for guiding or ensuring the safety of railway traffic

Informative references

Attention is drawn to the following places, which may be of interest for search:

Measuring angles, linear dimensions, or irregularities in general