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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 subclass 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 relevant to classification in this subclass
This subclass 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 expression "Permanent way" is often used with meaning " 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 group 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 relevant to classification in this group
This group does not cover:

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

Slabs as such for supporting the rails

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:

Drainage of soils in general

Draining of sport grounds

Draining arrangements for bridges

Draining of streets

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

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

References relevant to classification in this group
This group does not cover:

General arrangements of stations, e.g. platforms

Track superstructure adapted for tramways in paved streets

Tracks for special kinds of railways

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 group 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 relevant to classification in this group
This group does not cover:

Manufacturing of concrete sleepers

Sleeper shoes for ballastless track

E01B/00C2

Sleepers for switches or crossings

Sleepers for shiftable tracks for heavy loads

Synonyms and Keywords

Sleeper

Tie, crosstie

Rails; Guard rails (manufacture of rails B21B); Distance-keeping means for them
Definition statement
This group 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 relevant to classification in this group
This group does not cover:

Manufacture of rails

Laying, re-building or taking-up the rails

Tie-rods for sleepers

Working rails in or on the line

Rail parts for switches or crossings

Rail anchors preventing shifting of the track

Tie-rods for tramway rails

Synonyms and Keywords

Guard rail

Check rail

Switches; Crossings (operating mechanisms B61L)
Definition statement
This group covers:

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

References relevant to classification in this group
This group does not cover:

Operating mechanisms

Guard rails

Lubricating of rails

Turntables

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 group 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 relevant to classification in this group
This group does not cover:

Fastening rails to bridges

Apparatus for fixing or removing fastening means or track components

Rail anchors

Fastening switches or crossings on special sleepers

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 subgroup 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 relevant to classification in this group
This subgroup does not cover:

Tie plates per se

Rail chairs per se

Fastening the rail on the tie-plate

Fastening the rail in the chair

Special rail fastenings

Rail joints (electrical connection of the rail B60M 5/00)
Definition statement
This group covers:

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

References relevant to classification in this group
This group does not cover:

Electrical connections of the rail

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

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

Locking means in general

Welding in general

Arrangements preventing shifting of the track
Definition statement
This group 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 relevant to classification in this group
This group does not cover:

Machines or devices for shifting tracks

Guards for preventing a person`s foot being trapped in grooved rails
Definition statement
This group covers:

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

References relevant to classification in this group
This group 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 group 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 relevant to classification in this group
This group 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 group 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 relevant to classification in this group
This group 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:

Noise absorbing or reflecting arrangements for railways

Protection against snow, sand wind or falling rocks in general

Removing snow or ice from roads

Spillage retaining means for large containers

Track superstructure adapted for tramways in paved streets (paving E01C 9/04 , E01C 9/06)
Definition statement
This group 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 relevant to classification in this group
This group 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 group covers:

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

References relevant to classification in this group
This group 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 group 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 relevant to classification in this group
This group does not cover:

Suspended load carriers movable by hand or gravity

Slaughterhouse conveying track

Overhead rail system for handicapped persons

Wheel tracks

Electric propulsion

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 group 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 relevant to classification in this group
This group 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 group, 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 group 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.

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

Hand held nailing or stapling tools

Fastening tools in general

Welding in general

Cranes mounted on railway vehicles

Devices for moving or tilting heavy loads

Lifting devices in general

Glueing metal parts in general

Glossary of terms
In this group, 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 to B25 , B27)
Definition statement
This group covers:

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

References relevant to classification in this group
This group does not cover:

Undetachably joining or fastening track components

Working the ballast

Laying, rebuilding or taking up tracks or 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)
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 group covers:

Measuring for track building, maintaining or renewing purposes.

References relevant to classification in this group
This group 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

This page is owned by Office of Patent Classification.
Last Modified: 10/11/2013