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CPC
E01B25/20
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
E
FIXED CONSTRUCTIONS
E01
Road, railway construction
E01B
PERMANENT WAY PERMANENT-WAY TOOLS MACHINES FOR MAKING RAILWAYS OF ALL KINDS
E01B25/00
Tracks for special kinds of railways
Current Industry
E01B25/20
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Patents Grants
last 30 patents
Information
Patent Grant
Flared railway frog
Patent number
7,261,259
Issue date
Aug 28, 2007
Michael R. Little
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Patents Applications
last 30 patents
Information
Patent Application
TRACK-CHANGING DEVICE FOR A PNEUMATIC TRANSPORT VEHICLE
Publication number
20220119018
Publication date
Apr 21, 2022
AEROM REPRESENTAÇÕES E PARTICIPAÇÕES LTDA.
Diego DA CRUZ
B61 - RAILWAYS
Information
Patent Application
Flared railway frog
Publication number
20060081734
Publication date
Apr 20, 2006
Michael R. Little
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES